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CVE-2009-2868 (GCVE-0-2009-2868)
Vulnerability from cvelistv5 – Published: 2009-09-28 18:20 – Updated: 2024-08-07 06:07- n/a
| URL | Tags |
|---|---|
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| http://tools.cisco.com/security/center/viewAlert.… | x_refsource_CONFIRM |
| http://www.cisco.com/en/US/products/products_secu… | vendor-advisoryx_refsource_CISCO |
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FKIE_CVE-2009-2868
Vulnerability from fkie_nvd - Published: 2009-09-28 19:30 - Updated: 2026-06-16 23:10| Vendor | Product | Version | |
|---|---|---|---|
| cisco | ios | 12.2ex | |
| cisco | ios | 12.2ira | |
| cisco | ios | 12.2irb | |
| cisco | ios | 12.2irc | |
| cisco | ios | 12.2sb | |
| cisco | ios | 12.2sca | |
| cisco | ios | 12.2scb | |
| cisco | ios | 12.2se | |
| cisco | ios | 12.2sra | |
| cisco | ios | 12.2srb | |
| cisco | ios | 12.2src | |
| cisco | ios | 12.2srd | |
| cisco | ios | 12.2sxh | |
| cisco | ios | 12.2sxi | |
| cisco | ios | 12.2xna | |
| cisco | ios | 12.2xnb | |
| cisco | ios | 12.2xnc | |
| cisco | ios | 12.2xnd | |
| cisco | ios | 12.3t | |
| cisco | ios | 12.3xl | |
| cisco | ios | 12.3xr | |
| cisco | ios | 12.3xs | |
| cisco | ios | 12.3xx | |
| cisco | ios | 12.3ya | |
| cisco | ios | 12.3yd | |
| cisco | ios | 12.3yf | |
| cisco | ios | 12.3yg | |
| cisco | ios | 12.3yh | |
| cisco | ios | 12.3yi | |
| cisco | ios | 12.3yq | |
| cisco | ios | 12.3ys | |
| cisco | ios | 12.3yt | |
| cisco | ios | 12.3yu | |
| cisco | ios | 12.3yx | |
| cisco | ios | 12.3yz | |
| cisco | ios | 12.4 | |
| cisco | ios | 12.4t | |
| cisco | ios | 12.4xb | |
| cisco | ios | 12.4xc | |
| cisco | ios | 12.4xd |
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GHSA-35R5-PW6J-5F37
Vulnerability from github – Published: 2022-05-02 03:39 – Updated: 2022-05-02 03:39Unspecified vulnerability in Cisco IOS 12.2 through 12.4, when certificate-based authentication is enabled for IKE, allows remote attackers to cause a denial of service (Phase 1 SA exhaustion) via crafted requests, aka Bug IDs CSCsy07555 and CSCee72997.
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GSD-2009-2868
Vulnerability from gsd - Updated: 2023-12-13 01:19{
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VAR-200909-0385
Vulnerability from variot - Updated: 2025-04-10 22:31Unspecified vulnerability in Cisco IOS 12.2 through 12.4, when certificate-based authentication is enabled for IKE, allows remote attackers to cause a denial of service (Phase 1 SA exhaustion) via crafted requests, aka Bug IDs CSCsy07555 and CSCee72997. The problem is Bug ID : CSCsy07555 and CSCee72997 Problem.A crafted request could cause a denial of service (DoS) May be in a state. Cisco IOS is prone to a remote denial-of-service vulnerability. An attacker can exploit this issue to consume all available Phase 1 security associations, which may prevent new IPSec sessions from being established. This issue is being tracked by Cisco Bug IDs CSCsy07555 and CSCee72997. ----------------------------------------------------------------------
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TITLE: Cisco IOS Multiple Vulnerabilities
SECUNIA ADVISORY ID: SA36835
VERIFY ADVISORY: http://secunia.com/advisories/36835/
DESCRIPTION: Some vulnerabilities have been reported in Cisco IOS, which can be exploited by malicious people to cause a DoS (Denial of Service), bypass certain security restrictions, disclose sensitive information, or compromise a vulnerable device.
1) An error exists in the login section of the Extension Mobility feature of the Cisco Unified CME (Communications Manager Express) component. This can be exploited to cause a buffer overflow via specially crafted HTTP requests.
Successful exploitation may allow execution of arbitrary code.
3) Multiple errors exist in the IP tunnelling implementation when switching network packets. These can be exploited to trigger a device reload via specially crafted packets.
Successful exploitation requires that the device is configured for PPTP, GRE, IPinIP, Generic Packet Tunneling in IPv6, or IPv6 over IP tunnels, and Cisco Express Forwarding.
4) An error in the implementation of the Object Groups for ACLs feature can be exploited to bypass access control policies.
5) An error in the H.323 implementation can be exploited to trigger a device reload via specially crafted TCP packets.
Successful exploitation requires that H.323 is enabled (disabled by default).
6) An error in the SIP implementation related to the Cisco Unified Border Element feature can be exploited to trigger a device reload.
For more information: SA36836
7) An error in the SSLVPN, SSH, and IKE Encrypted Nonces features can be exploited to reload a device via specially crafted packets sent to TCP ports 22 (for SSH) or 443 (for SSLVPN), or UDP ports 500 and 4500 (for IKE Encrypted Nonces).
8) A race condition error exists in the Authentication Proxy for HTTP(S), Web Authentication, and consent features. This can be exploited to bypass the authentication proxy services and the consent accept web page if a successfully authenticated session or accepted consent session exists.
9) An error exists in the Cisco IOS Zone-Based Policy Firewall SIP inspection feature. This can be exploited to reload a device via a specially crafted SIP transit packet.
10) An error exists in the NTPv4 implementation while creating NTP reply packets. This can be exploited to trigger a device reload via a specially crafted NTP packet.
SOLUTION: Update to a fixed version (please see the vendor's advisories for details).
PROVIDED AND/OR DISCOVERED BY: 1, 3-10) Reported by the vendor.
ORIGINAL ADVISORY: http://www.cisco.com/warp/public/707/cisco-sa-20090923-cme.shtml http://www.cisco.com/warp/public/707/cisco-sa-20090923-ipsec.shtml http://www.cisco.com/warp/public/707/cisco-sa-20090923-tunnels.shtml http://www.cisco.com/warp/public/707/cisco-sa-20090923-acl.shtml http://www.cisco.com/warp/public/707/cisco-sa-20090923-h323.shtml http://www.cisco.com/warp/public/707/cisco-sa-20090923-sip.shtml http://www.cisco.com/warp/public/707/cisco-sa-20090923-tls.shtml http://www.cisco.com/warp/public/707/cisco-sa-20090923-auth-proxy.shtml http://www.cisco.com/warp/public/707/cisco-sa-20090923-ios-fw.shtml http://www.cisco.com/warp/public/707/cisco-sa-20090923-ntp.shtml
OTHER REFERENCES: SA36836: http://secunia.com/advisories/36836/
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. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
Cisco Security Advisory: Cisco IOS Software Internet Key Exchange Resource Exhaustion Vulnerability
Advisory ID: cisco-sa-20090923-ipsec
Revision 1.0
For Public Release 2009 September 23
+---------------------------------------------------------------------
Summary
Cisco IOS\xae devices that are configured for Internet Key Exchange (IKE) protocol and certificate based authentication are vulnerable to a resource exhaustion attack.
Cisco has released free software updates that address this vulnerability.
This advisory is posted at:
http://www.cisco.com/warp/public/707/cisco-sa-20090923-ipsec.shtml
Note: The September 23, 2009, Cisco IOS Security Advisory bundled publication includes eleven Security Advisories. Each advisory lists the releases that correct the vulnerability or vulnerabilities detailed in the advisory. The following table lists releases that correct all Cisco IOS Software vulnerabilities that have been published on September 23, 2009, or earlier.
http://www.cisco.com/warp/public/707/cisco-sa-20090923-bundle.shtml
Individual publication links are in "Cisco Event Response: Semiannual Cisco IOS Software Advisory Bundled Publication" at the following link:
http://www.cisco.com/web/about/security/intelligence/Cisco_ERP_sep09.html
Affected Products
Cisco IOS devices that are configured for IKE and certificate based authentication are affected.
Vulnerable Products +------------------
IKE is enabled by default if IPsec is used. Cisco IOS devices that are configured for IKE will listen on UDP port 500, UDP port 4500 if the device is configured for NAT Traversal (NAT-T), or UDP ports 848 or 4848 if the device is configured for Group Domain of Interpretation (GDOI). The following outputs show a router that is listening on UDP port 500:
Router#show ip sockets
Proto Remote Port Local Port In Out Stat TTY OutputIF
....
17 --listen-- 192.168.66.129 500 0 0 11 0
....
Or
Router-#show udp
Proto Remote Port Local Port In Out Stat TTY OutputIF
17 --listen-- 192.0.2.1 500 0 0 1011 0
17(v6) --listen-- --any-- 500 0 0 20011 0
Router#
IKE configurations that are performing certificate based authentication will display "Rivest-Shamir-Adleman Signature" as the authentication method in the output of the "show crypto isakmp policy" command. This output is shown in the following example:
Router#show crypto isakmp policy
Global IKE policy
Default protection suite
encryption algorithm: DES - Data Encryption Standard (56 bit keys).
hash algorithm: Secure Hash Standard
authentication method: Rivest-Shamir-Adleman Signature
Diffie-Hellman group: #1 (768 bit)
lifetime: 86400 seconds, no volume limit
To determine the Cisco IOS Software release that is running on a Cisco product, administrators can log in to the device and issue the "show version" command to display the system banner. The system banner confirms that the device is running Cisco IOS Software by displaying text similar to "Cisco Internetwork Operating System Software" or "Cisco IOS Software." The image name displays in parentheses, followed by "Version" and the Cisco IOS Software release name. Other Cisco devices do not have the "show version" command or may provide different output.
The following example identifies a Cisco 6500 Series device that is running Cisco IOS Software release 12.2(18)SXF7 with an installed image name of s72033_rp-IPSERVICESK9_WAN-M:
Router#show version
Cisco Internetwork Operating System Software
IOS (tm) s72033_rp Software (s72033_rp-IPSERVICESK9_WAN-M), Version 12.2(18)SXF7, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright \xa9) 1986-2006 by cisco Systems, Inc.
Compiled Thu 23-Nov-06 06:42 by kellythw
<output truncated>
Additional information about Cisco IOS Software release naming conventions is available in "White Paper: Cisco IOS Reference Guide" at the following link:
http://www.cisco.com/warp/public/620/1.html
Products Confirmed Not Vulnerable +--------------------------------
Cisco IOS XR Software is not affected by this vulnerability.
No other Cisco products are currently known to be affected by this vulnerability.
Details
IPsec is an IP security feature that provides robust authentication and encryption of IP packets. IKE is a key management protocol standard that is used in conjunction with the IPsec standard.
IKE is a hybrid protocol that implements the Oakley and SKEME key exchanges inside the Internet Security Association and Key Management Protocol (ISAKMP) framework. (ISAKMP, Oakley, and SKEME are security protocols that are implemented by IKE.).
Administrators can view Phase 1 SAs that are allocated as a result of exploitation by issuing the "show crypto isakmp sa" command. The following example displays sample output for this command:
Router#show crypto isakmp sa
IPv4 Crypto ISAKMP SA
dst src state conn-id slot status
10.48.66.77 10.48.66.6 MM_KEY_EXCH 1004 ACTIVE
10.48.66.77 10.48.66.6 MM_KEY_EXCH 1003 ACTIVE
10.48.66.77 10.48.66.6 MM_KEY_EXCH 1002 ACTIVE
....
Any allocated SA can be de-allocated up manually by using the "clear crypto isakmp " command.
Vulnerability Scoring Details
Cisco has provided scores for the vulnerabilities in this advisory based on the Common Vulnerability Scoring System (CVSS). The CVSS scoring in this Security Advisory is done in accordance with CVSS version 2.0.
CVSS is a standards-based scoring method that conveys vulnerability severity and helps determine urgency and priority of response.
Cisco has provided a base and temporal score. Customers can then compute environmental scores to assist in determining the impact of the vulnerability in individual networks.
Cisco has provided an FAQ to answer additional questions regarding CVSS at:
http://www.cisco.com/web/about/security/intelligence/cvss-qandas.html
Cisco has also provided a CVSS calculator to help compute the environmental impact for individual networks at:
http://intellishield.cisco.com/security/alertmanager/cvss
CSCsy07555 - P1 SA stuck in KEY_EXCH forever
CVSS Base Score - 7.8
Access Vector - Network Access Complexity - Low Authentication - None Confidentiality Impact - None Integrity Impact - None Availability Impact - Complete
CVSS Temporal Score - 6.4
Exploitability - Functional Remediation Level - Official-Fix Report Confidence - Confirmed
CSCee72997 - P1 SA stuck in KEY_EXCH forever
CVSS Base Score - 7.8
Access Vector - Network Access Complexity - Low Authentication - None Confidentiality Impact - None Integrity Impact - None Availability Impact - Complete
CVSS Temporal Score - 6.4
Exploitability - Functional Remediation Level - Official-Fix Report Confidence - Confirmed
Impact
Successful exploitation of this vulnerability may result in the allocation of all available Phase 1 SAs, which may prevent new IPsec sessions from being established.
Software Versions and Fixes
When considering software upgrades, also consult:
http://www.cisco.com/go/psirt
and any subsequent advisories to determine exposure and a complete upgrade solution.
In all cases, customers should exercise caution to be certain the devices to be upgraded contain sufficient memory and that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, contact the Cisco Technical Assistance Center (TAC) or your contracted maintenance provider for assistance.
Each row of the Cisco IOS software table (below) names a Cisco IOS release train. If a given release train is vulnerable, then the earliest possible releases that contain the fix (along with the anticipated date of availability for each, if applicable) are listed in the "First Fixed Release" column of the table. The "Recommended Release" column indicates the releases which have fixes for all the published vulnerabilities at the time of this Advisory. A device running a release in the given train that is earlier than the release in a specific column (less than the First Fixed Release) is known to be vulnerable. Cisco recommends upgrading to a release equal to or later than the release in the "Recommended Releases" column of the table.
+-------------------------------------------------------------------+ | Major | Availability of Repaired Releases | | Release | | |------------+------------------------------------------------------| | Affected | | Recommended | | 12.0-Based | First Fixed Release | Release | | Releases | | | |-------------------------------------------------------------------| | There are no affected 12.0 based releases | |-------------------------------------------------------------------| | Affected | | Recommended | | 12.1-Based | First Fixed Release | Release | | Releases | | | |-------------------------------------------------------------------| | There are no affected 12.1 based releases | |-------------------------------------------------------------------| | Affected | | Recommended | | 12.2-Based | First Fixed Release | Release | | Releases | | | |------------+---------------------------------------+--------------| | 12.2 | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2B | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2BC | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2BW | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2BX | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2BY | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2BZ | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2CX | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2CY | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2CZ | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2DA | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2DD | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2DX | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2EW | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2EWA | Not Vulnerable | | |------------+---------------------------------------+--------------| | | Releases prior to 12.2(44)EX are | 12.2(50)SE3 | | | vulnerable, release 12.2(44)EX and | | | 12.2EX | later are not vulnerable; migrate to | 12.2(52)SE; | | | any release in 12.2SEG | Available on | | | | 13-OCT-2009 | |------------+---------------------------------------+--------------| | 12.2EY | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2EZ | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2FX | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2FY | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2FZ | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2IRA | Vulnerable; first fixed in 12.2SRD | 12.2(33)SRD3 | |------------+---------------------------------------+--------------| | 12.2IRB | Vulnerable; first fixed in 12.2SRD | 12.2(33)SRD3 | |------------+---------------------------------------+--------------| | | Vulnerable; Contact your support | | | 12.2IRC | organization per the instructions in | | | | Obtaining Fixed Software section of | | | | this advisory | | |------------+---------------------------------------+--------------| | 12.2IXA | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2IXB | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2IXC | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2IXD | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2IXE | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2IXF | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2IXG | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2IXH | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2JA | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2JK | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2MB | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2MC | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2S | Not Vulnerable | | |------------+---------------------------------------+--------------| | | | 12.2(31)SB16 | | 12.2SB | 12.2(33)SB6 | | | | | 12.2(33)SB7 | |------------+---------------------------------------+--------------| | 12.2SBC | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SCA | Vulnerable; first fixed in 12.2SCB | 12.2(33)SCB4 | |------------+---------------------------------------+--------------| | 12.2SCB | 12.2(33)SCB4 | 12.2(33)SCB4 | |------------+---------------------------------------+--------------| | | | 12.2(50)SE3 | | | 12.2(50)SE3 | | | 12.2SE | | 12.2(52)SE; | | | 12.2(52)SE; Available on 13-OCT-2009 | Available on | | | | 13-OCT-2009 | |------------+---------------------------------------+--------------| | 12.2SEA | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SEB | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SEC | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SED | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SEE | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SEF | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SEG | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SG | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SGA | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SL | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SM | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SO | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SQ | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SRA | Vulnerable; first fixed in 12.2SRD | 12.2(33)SRD3 | |------------+---------------------------------------+--------------| | 12.2SRB | Vulnerable; first fixed in 12.2SRD | 12.2(33)SRD3 | |------------+---------------------------------------+--------------| | 12.2SRC | 12.2(33)SRC5; Available on | 12.2(33)SRD3 | | | 29-OCT-2009 | | |------------+---------------------------------------+--------------| | | 12.2(33)SRD3 | | | 12.2SRD | | 12.2(33)SRD3 | | | 12.2(33)SRD2a | | |------------+---------------------------------------+--------------| | 12.2STE | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SU | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SV | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SVA | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SVC | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SVD | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SVE | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SW | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SX | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SXA | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SXB | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SXD | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SXE | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SXF | Not Vulnerable | | |------------+---------------------------------------+--------------| | | 12.2(33)SXH6; Available on | 12.2(33) | | | 30-OCT-2009 | SXH6; | | 12.2SXH | | Available on | | | Please see IOS Software Modularity | 30-OCT-2009 | | | Patch | | |------------+---------------------------------------+--------------| | 12.2SXI | 12.2(33)SXI2a | 12.2(33) | | | | SXI2a | |------------+---------------------------------------+--------------| | 12.2SY | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2SZ | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2T | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2TPC | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2XA | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2XB | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2XC | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2XD | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2XE | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2XF | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2XG | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2XH | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2XI | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2XJ | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2XK | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2XL | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2XM | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2XNA | Please see Cisco IOS-XE Software | | | | Availability | | |------------+---------------------------------------+--------------| | 12.2XNB | Please see Cisco IOS-XE Software | | | | Availability | | |------------+---------------------------------------+--------------| | 12.2XNC | Please see Cisco IOS-XE Software | | | | Availability | | |------------+---------------------------------------+--------------| | 12.2XND | Please see Cisco IOS-XE Software | | | | Availability | | |------------+---------------------------------------+--------------| | 12.2XO | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2XQ | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2XR | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2XS | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2XT | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2XU | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2XV | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2XW | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2YA | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2YB | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2YC | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2YD | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2YE | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2YF | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2YG | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2YH | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2YJ | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2YK | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2YL | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2YM | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2YN | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2YO | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2YP | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2YQ | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2YR | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2YS | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2YT | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2YU | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2YV | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2YW | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2YX | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2YY | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2YZ | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2ZA | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2ZB | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2ZC | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2ZD | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2ZE | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2ZF | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2ZG | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2ZH | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2ZJ | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2ZL | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2ZP | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2ZU | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2ZX | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2ZY | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.2ZYA | Not Vulnerable | | |------------+---------------------------------------+--------------| | Affected | | Recommended | | 12.3-Based | First Fixed Release | Release | | Releases | | | |------------+---------------------------------------+--------------| | 12.3 | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.3B | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.3BC | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.3BW | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.3EU | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.3JA | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.3JEA | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.3JEB | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.3JEC | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.3JK | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.3JL | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.3JX | Not Vulnerable | | |------------+---------------------------------------+--------------| | | Vulnerable; first fixed in 12.4 | 12.4(25b) | | 12.3T | | | | | Releases up to and including 12.3(8) | 12.4(23b) | | | T11 are not vulnerable. | | |------------+---------------------------------------+--------------| | 12.3TPC | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.3VA | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.3XA | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.3XB | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.3XC | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.3XD | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.3XE | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.3XF | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.3XG | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.3XI | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.3XJ | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.3XK | Not Vulnerable | | |------------+---------------------------------------+--------------| | | | 12.4(20)T4 | | | | | | | | 12.4(22)T3 | | 12.3XL | Vulnerable; first fixed in 12.4T | | | | | 12.4(24)T2; | | | | Available on | | | | 23-OCT-2009 | |------------+---------------------------------------+--------------| | 12.3XQ | Not Vulnerable | | |------------+---------------------------------------+--------------| | | | 12.4(25b) | | 12.3XR | Vulnerable; first fixed in 12.4 | | | | | 12.4(23b) | |------------+---------------------------------------+--------------| | | | 12.4(25b) | | 12.3XS | Vulnerable; first fixed in 12.4 | | | | | 12.4(23b) | |------------+---------------------------------------+--------------| | 12.3XU | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.3XW | Not Vulnerable | | |------------+---------------------------------------+--------------| | | | 12.4(25b) | | 12.3XX | Vulnerable; first fixed in 12.4 | | | | | 12.4(23b) | |------------+---------------------------------------+--------------| | 12.3XY | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.3XZ | Not Vulnerable | | |------------+---------------------------------------+--------------| | | | 12.4(25b) | | 12.3YA | Vulnerable; first fixed in 12.4 | | | | | 12.4(23b) | |------------+---------------------------------------+--------------| | | | 12.4(15)T10 | | | | | | | | 12.4(20)T4 | | | | | | 12.3YD | Vulnerable; first fixed in 12.4T | 12.4(22)T3 | | | | | | | | 12.4(24)T2; | | | | Available on | | | | 23-OCT-2009 | |------------+---------------------------------------+--------------| | | Vulnerable; migrate to any release in | 12.4(15)XR7 | | 12.3YF | 12.4XN | | | | | 12.4(22)XR | |------------+---------------------------------------+--------------| | | | 12.4(15)T10 | | | | | | | | 12.4(20)T4 | | | | | | 12.3YG | Vulnerable; first fixed in 12.4T | 12.4(22)T3 | | | | | | | | 12.4(24)T2; | | | | Available on | | | | 23-OCT-2009 | |------------+---------------------------------------+--------------| | | | 12.4(15)T10 | | | | | | | | 12.4(20)T4 | | | | | | 12.3YH | Vulnerable; first fixed in 12.4T | 12.4(22)T3 | | | | | | | | 12.4(24)T2; | | | | Available on | | | | 23-OCT-2009 | |------------+---------------------------------------+--------------| | | | 12.4(15)T10 | | | | | | | | 12.4(20)T4 | | | | | | 12.3YI | Vulnerable; first fixed in 12.4T | 12.4(22)T3 | | | | | | | | 12.4(24)T2; | | | | Available on | | | | 23-OCT-2009 | |------------+---------------------------------------+--------------| | 12.3YJ | Not Vulnerable | | |------------+---------------------------------------+--------------| | | | 12.4(15)T10 | | | | | | | | 12.4(20)T4 | | | | | | 12.3YK | Vulnerable; first fixed in 12.4T | 12.4(22)T3 | | | | | | | | 12.4(24)T2; | | | | Available on | | | | 23-OCT-2009 | |------------+---------------------------------------+--------------| | 12.3YM | Not Vulnerable | | |------------+---------------------------------------+--------------| | | | 12.4(15)T10 | | | | | | | | 12.4(20)T4 | | | | | | 12.3YQ | Vulnerable; first fixed in 12.4T | 12.4(22)T3 | | | | | | | | 12.4(24)T2; | | | | Available on | | | | 23-OCT-2009 | |------------+---------------------------------------+--------------| | | | 12.4(15)T10 | | | | | | | | 12.4(20)T4 | | | | | | 12.3YS | Vulnerable; first fixed in 12.4T | 12.4(22)T3 | | | | | | | | 12.4(24)T2; | | | | Available on | | | | 23-OCT-2009 | |------------+---------------------------------------+--------------| | | | 12.4(15)T10 | | | | | | | | 12.4(20)T4 | | | | | | 12.3YT | Vulnerable; first fixed in 12.4T | 12.4(22)T3 | | | | | | | | 12.4(24)T2; | | | | Available on | | | | 23-OCT-2009 | |------------+---------------------------------------+--------------| | | | 12.4(15)T10 | | | | | | | | 12.4(20)T4 | | | | | | 12.3YU | Vulnerable; first fixed in 12.4T | 12.4(22)T3 | | | | | | | | 12.4(24)T2; | | | | Available on | | | | 23-OCT-2009 | |------------+---------------------------------------+--------------| | | Vulnerable; migrate to any release in | 12.4(15)XR7 | | 12.3YX | 12.4XN | | | | | 12.4(22)XR | |------------+---------------------------------------+--------------| | | Vulnerable; Contact your support | | | 12.3YZ | organization per the instructions in | | | | Obtaining Fixed Software section of | | | | this advisory | | |------------+---------------------------------------+--------------| | 12.3ZA | Not Vulnerable | | |------------+---------------------------------------+--------------| | Affected | | Recommended | | 12.4-Based | First Fixed Release | Release | | Releases | | | |------------+---------------------------------------+--------------| | | Releases prior to 12.4(7) are | 12.4(25b) | | 12.4 | vulnerable; Releases 12.4(7a) and | | | | later are not vulnerable. | 12.4(23b) | |------------+---------------------------------------+--------------| | 12.4GC | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4JA | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4JDA | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4JDC | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4JDD | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4JK | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4JL | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4JMA | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4JMB | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4JX | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4MD | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4MDA | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4MR | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4SW | Not Vulnerable | | |------------+---------------------------------------+--------------| | | | 12.4(15)T10 | | | | | | | 12.4(4)T8 | 12.4(20)T4 | | | | | | 12.4T | 12.4(9)T | 12.4(22)T3 | | | | | | | 12.4(6)T1 | 12.4(24)T2; | | | | Available on | | | | 23-OCT-2009 | |------------+---------------------------------------+--------------| | | | 12.4(15)T10 | | | | | | | | 12.4(20)T4 | | | | | | 12.4XA | Vulnerable; first fixed in 12.4T | 12.4(22)T3 | | | | | | | | 12.4(24)T2; | | | | Available on | | | | 23-OCT-2009 | |------------+---------------------------------------+--------------| | | | 12.4(15)T10 | | | | | | | | 12.4(20)T4 | | | | | | 12.4XB | Vulnerable; first fixed in 12.4T | 12.4(22)T3 | | | | | | | | 12.4(24)T2; | | | | Available on | | | | 23-OCT-2009 | |------------+---------------------------------------+--------------| | | | 12.4(15)T10 | | | | | | | | 12.4(20)T4 | | | | | | 12.4XC | Vulnerable; first fixed in 12.4T | 12.4(22)T3 | | | | | | | | 12.4(24)T2; | | | | Available on | | | | 23-OCT-2009 | |------------+---------------------------------------+--------------| | | | 12.4(15)T10 | | | | | | | | 12.4(20)T4 | | | | | | 12.4XD | Vulnerable; first fixed in 12.4T | 12.4(22)T3 | | | | | | | | 12.4(24)T2; | | | | Available on | | | | 23-OCT-2009 | |------------+---------------------------------------+--------------| | 12.4XE | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4XF | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4XG | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4XJ | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4XK | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4XL | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4XM | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4XN | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4XP | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4XQ | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4XR | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4XT | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4XV | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4XW | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4XY | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4XZ | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4YA | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4YB | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4YD | Not Vulnerable | | |------------+---------------------------------------+--------------| | 12.4YE | Not Vulnerable | | +-------------------------------------------------------------------+
Cisco IOS XE Software +--------------------
+-------------------------------------------------------------------+ | Cisco IOS XE Software Release | First Fixed Release | |---------------------------------------+---------------------------| | 2.1.x | 2.3.0t | |---------------------------------------+---------------------------| | 2.2.x | 2.3.0t | |---------------------------------------+---------------------------| | 2.3.x | Not Vulnerable | |---------------------------------------+---------------------------| | 2.4.x | Not Vulnerable | +-------------------------------------------------------------------+
Cisco IOS Software Modularity - Maintenance Packs +------------------------------------------------
Customers who are using Cisco IOS Software Modularity can apply the respective maintenance packs. More information on Cisco IOS Software Modularity can be found at the following link:
http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps708/prod_bulletin0900aecd80313e15.html
The Maintenance Packs listed below can be downloaded at:
http://www.cisco.com/go/pn
Cisco IOS Software Modularity Maintenance Pack for 12.2SXH +---------------------------------------------------------
+-------------------------------------------------------------------+ | Cisco IOS Software Release | Solution Maintenance Pack(MP) | |-------------------------------+-----------------------------------| | 12.2(33)SXH3 | MP003 | |-------------------------------+-----------------------------------| | 12.2(33)SXH4 | MP002 | |-------------------------------+-----------------------------------| | 12.2(33)SXH5 | MP001 | +-------------------------------------------------------------------+
Workarounds
There are no workarounds for this vulnerability.
Additional mitigations that can be deployed on Cisco devices in the network are available in the Cisco Applied Mitigation Bulletin companion document for this advisory, which is available at the following link:
http://www.cisco.com/warp/public/707/cisco-amb-20090923-ipsec.shtml
Obtaining Fixed Software
Cisco has released free software updates that address these vulnerabilities. Prior to deploying software, customers should consult their maintenance provider or check the software for feature set compatibility and known issues specific to their environment.
Customers may only install and expect support for the feature sets they have purchased. By installing, downloading, accessing or otherwise using such software upgrades, customers agree to be bound by the terms of Cisco's software license terms found at:
http://www.cisco.com/en/US/docs/general/warranty/English/EU1KEN_.html
or as otherwise set forth at Cisco.com Downloads at:
http://www.cisco.com/public/sw-center/sw-usingswc.shtml
Do not contact psirt@cisco.com or security-alert@cisco.com for software upgrades.
Customers with Service Contracts +-------------------------------
Customers with contracts should obtain upgraded software through their regular update channels. For most customers, this means that upgrades should be obtained through the Software Center on Cisco's worldwide website at http://www.cisco.com.
Customers using Third Party Support Organizations +------------------------------------------------
Customers whose Cisco products are provided or maintained through prior or existing agreements with third-party support organizations, such as Cisco Partners, authorized resellers, or service providers should contact that support organization for guidance and assistance with the appropriate course of action in regards to this advisory.
The effectiveness of any workaround or fix is dependent on specific customer situations, such as product mix, network topology, traffic behavior, and organizational mission. Due to the variety of affected products and releases, customers should consult with their service provider or support organization to ensure any applied workaround or fix is the most appropriate for use in the intended network before it is deployed.
Customers without Service Contracts +----------------------------------
Customers who purchase direct from Cisco but do not hold a Cisco service contract, and customers who purchase through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should acquire upgrades by contacting the Cisco Technical Assistance Center (TAC). TAC contacts are as follows.
- +1 800 553 2447 (toll free from within North America)
- +1 408 526 7209 (toll call from anywhere in the world)
- e-mail: tac@cisco.com
Customers should have their product serial number available and be prepared to give the URL of this notice as evidence of entitlement to a free upgrade. Free upgrades for non-contract customers must be requested through the TAC.
Refer to:
http://www.cisco.com/en/US/support/tsd_cisco_worldwide_contacts.html
for additional TAC contact information, including localized telephone numbers, and instructions and e-mail addresses for use in various languages.
Exploitation and Public Announcements
The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability described in this advisory.
This vulnerability was reported to Cisco by a customer.
Status of this Notice: FINAL
THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.
A stand-alone copy or Paraphrase of the text of this document that omits the distribution URL in the following section is an uncontrolled copy, and may lack important information or contain factual errors.
Distribution
This advisory is posted on Cisco's worldwide website at:
http://www.cisco.com/warp/public/707/cisco-sa-20090923-ipsec.shtml
In addition to worldwide web posting, a text version of this notice is clear-signed with the Cisco PSIRT PGP key and is posted to the following e-mail and Usenet news recipients.
- cust-security-announce@cisco.com
- first-bulletins@lists.first.org
- bugtraq@securityfocus.com
- vulnwatch@vulnwatch.org
- cisco@spot.colorado.edu
- cisco-nsp@puck.nether.net
- full-disclosure@lists.grok.org.uk
- comp.dcom.sys.cisco@newsgate.cisco.com
Future updates of this advisory, if any, will be placed on Cisco's worldwide website, but may or may not be actively announced on mailing lists or newsgroups. Users concerned about this problem are encouraged to check the above URL for any updates.
Revision History
+----------------------------------------+ | Revision | | Initial | | 1.0 | 2009-September-23 | public | | | | release | +----------------------------------------+
Cisco Security Procedures
Complete information on reporting security vulnerabilities in Cisco products, obtaining assistance with security incidents, and registering to receive security information from Cisco, is available on Cisco's worldwide website at:
http://www.cisco.com/en/US/products/products_security_vulnerability_policy.html
This includes instructions for press inquiries regarding Cisco security notices. All Cisco security advisories are available at:
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"data": "Unspecified vulnerability in Cisco IOS 12.2 through 12.4, when certificate-based authentication is enabled for IKE, allows remote attackers to cause a denial of service (Phase 1 SA exhaustion) via crafted requests, aka Bug IDs CSCsy07555 and CSCee72997. The problem is Bug ID : CSCsy07555 and CSCee72997 Problem.A crafted request could cause a denial of service (DoS) May be in a state. Cisco IOS is prone to a remote denial-of-service vulnerability. \nAn attacker can exploit this issue to consume all available Phase 1 security associations, which may prevent new IPSec sessions from being established. \nThis issue is being tracked by Cisco Bug IDs CSCsy07555 and CSCee72997. ----------------------------------------------------------------------\n\nDo you have VARM strategy implemented?\n\n(Vulnerability Assessment Remediation Management) \n\nIf not, then implement it through the most reliable vulnerability\nintelligence source on the market. \n\nImplement it through Secunia. \n\nFor more information visit:\nhttp://secunia.com/advisories/business_solutions/\n\nAlternatively request a call from a Secunia representative today to\ndiscuss how we can help you with our capabilities contact us at:\nsales@secunia.com\n\n----------------------------------------------------------------------\n\nTITLE:\nCisco IOS Multiple Vulnerabilities\n\nSECUNIA ADVISORY ID:\nSA36835\n\nVERIFY ADVISORY:\nhttp://secunia.com/advisories/36835/\n\nDESCRIPTION:\nSome vulnerabilities have been reported in Cisco IOS, which can be\nexploited by malicious people to cause a DoS (Denial of Service),\nbypass certain security restrictions, disclose sensitive information,\nor compromise a vulnerable device. \n\n1) An error exists in the login section of the Extension Mobility\nfeature of the Cisco Unified CME (Communications Manager Express)\ncomponent. This can be exploited to cause a buffer overflow via\nspecially crafted HTTP requests. \n\nSuccessful exploitation may allow execution of arbitrary code. \n\n3) Multiple errors exist in the IP tunnelling implementation when\nswitching network packets. These can be exploited to trigger a device\nreload via specially crafted packets. \n\nSuccessful exploitation requires that the device is configured for\nPPTP, GRE, IPinIP, Generic Packet Tunneling in IPv6, or IPv6 over IP\ntunnels, and Cisco Express Forwarding. \n\n4) An error in the implementation of the Object Groups for ACLs\nfeature can be exploited to bypass access control policies. \n\n5) An error in the H.323 implementation can be exploited to trigger a\ndevice reload via specially crafted TCP packets. \n\nSuccessful exploitation requires that H.323 is enabled (disabled by\ndefault). \n\n6) An error in the SIP implementation related to the Cisco Unified\nBorder Element feature can be exploited to trigger a device reload. \n\nFor more information:\nSA36836\n\n7) An error in the SSLVPN, SSH, and IKE Encrypted Nonces features can\nbe exploited to reload a device via specially crafted packets sent to\nTCP ports 22 (for SSH) or 443 (for SSLVPN), or UDP ports 500 and 4500\n(for IKE Encrypted Nonces). \n\n8) A race condition error exists in the Authentication Proxy for\nHTTP(S), Web Authentication, and consent features. This can be\nexploited to bypass the authentication proxy services and the consent\naccept web page if a successfully authenticated session or accepted\nconsent session exists. \n\n9) An error exists in the Cisco IOS Zone-Based Policy Firewall SIP\ninspection feature. This can be exploited to reload a device via a\nspecially crafted SIP transit packet. \n\n10) An error exists in the NTPv4 implementation while creating NTP\nreply packets. This can be exploited to trigger a device reload via a\nspecially crafted NTP packet. \n\nSOLUTION:\nUpdate to a fixed version (please see the vendor\u0027s advisories for\ndetails). \n\nPROVIDED AND/OR DISCOVERED BY:\n1, 3-10) Reported by the vendor. \n\nORIGINAL ADVISORY:\nhttp://www.cisco.com/warp/public/707/cisco-sa-20090923-cme.shtml\nhttp://www.cisco.com/warp/public/707/cisco-sa-20090923-ipsec.shtml\nhttp://www.cisco.com/warp/public/707/cisco-sa-20090923-tunnels.shtml\nhttp://www.cisco.com/warp/public/707/cisco-sa-20090923-acl.shtml\nhttp://www.cisco.com/warp/public/707/cisco-sa-20090923-h323.shtml\nhttp://www.cisco.com/warp/public/707/cisco-sa-20090923-sip.shtml\nhttp://www.cisco.com/warp/public/707/cisco-sa-20090923-tls.shtml\nhttp://www.cisco.com/warp/public/707/cisco-sa-20090923-auth-proxy.shtml\nhttp://www.cisco.com/warp/public/707/cisco-sa-20090923-ios-fw.shtml\nhttp://www.cisco.com/warp/public/707/cisco-sa-20090923-ntp.shtml\n\nOTHER REFERENCES:\nSA36836:\nhttp://secunia.com/advisories/36836/\n\n----------------------------------------------------------------------\n\nAbout:\nThis Advisory was delivered by Secunia as a free service to help\neverybody keeping their systems up to date against the latest\nvulnerabilities. \n\nSubscribe:\nhttp://secunia.com/advisories/secunia_security_advisories/\n\nDefinitions: (Criticality, Where etc.)\nhttp://secunia.com/advisories/about_secunia_advisories/\n\n\nPlease Note:\nSecunia recommends that you verify all advisories you receive by\nclicking the link. \nSecunia NEVER sends attached files with advisories. \nSecunia does not advise people to install third party patches, only\nuse those supplied by the vendor. \n\n----------------------------------------------------------------------\n\nUnsubscribe: Secunia Security Advisories\nhttp://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org\n\n----------------------------------------------------------------------\n\n\n. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA1\n\nCisco Security Advisory: Cisco IOS Software Internet Key Exchange\nResource Exhaustion Vulnerability\n\nAdvisory ID: cisco-sa-20090923-ipsec\n\nRevision 1.0\n\nFor Public Release 2009 September 23\n\n+---------------------------------------------------------------------\n\nSummary\n=======\n\nCisco IOS\\xae devices that are configured for Internet Key Exchange\n(IKE) protocol and certificate based authentication are vulnerable to\na resource exhaustion attack. \n\nCisco has released free software updates that address this\nvulnerability. \n\nThis advisory is posted at:\n\nhttp://www.cisco.com/warp/public/707/cisco-sa-20090923-ipsec.shtml\n\nNote: The September 23, 2009, Cisco IOS Security Advisory bundled\npublication includes eleven Security Advisories. Each advisory lists the releases that correct the\nvulnerability or vulnerabilities detailed in the advisory. The\nfollowing table lists releases that correct all Cisco IOS Software\nvulnerabilities that have been published on September 23, 2009, or\nearlier. \n\nhttp://www.cisco.com/warp/public/707/cisco-sa-20090923-bundle.shtml\n\nIndividual publication links are in \"Cisco Event Response: Semiannual\nCisco IOS Software Advisory Bundled Publication\" at the following\nlink:\n\nhttp://www.cisco.com/web/about/security/intelligence/Cisco_ERP_sep09.html\n\nAffected Products\n=================\n\nCisco IOS devices that are configured for IKE and certificate based\nauthentication are affected. \n\nVulnerable Products\n+------------------\n\nIKE is enabled by default if IPsec is used. Cisco IOS devices that\nare configured for IKE will listen on UDP port 500, UDP port 4500 if\nthe device is configured for NAT Traversal (NAT-T), or UDP ports 848\nor 4848 if the device is configured for Group Domain of\nInterpretation (GDOI). The following outputs show a router that is\nlistening on UDP port 500:\n\n Router#show ip sockets \n Proto Remote Port Local Port In Out Stat TTY OutputIF\n .... \n 17 --listen-- 192.168.66.129 500 0 0 11 0 \n .... \n\nOr\n\n Router-#show udp\n Proto Remote Port Local Port In Out Stat TTY OutputIF\n 17 --listen-- 192.0.2.1 500 0 0 1011 0 \n 17(v6) --listen-- --any-- 500 0 0 20011 0 \n Router#\n\nIKE configurations that are performing certificate based\nauthentication will display \"Rivest-Shamir-Adleman Signature\" as the\nauthentication method in the output of the \"show crypto isakmp policy\"\ncommand. This output is shown in the following example:\n\n Router#show crypto isakmp policy \n \n Global IKE policy\n Default protection suite\n encryption algorithm: DES - Data Encryption Standard (56 bit keys). \n hash algorithm: Secure Hash Standard\n authentication method: Rivest-Shamir-Adleman Signature\n Diffie-Hellman group: #1 (768 bit)\n lifetime: 86400 seconds, no volume limit\n\nTo determine the Cisco IOS Software release that is running on a\nCisco product, administrators can log in to the device and issue the \n\"show version\" command to display the system banner. The system banner\nconfirms that the device is running Cisco IOS Software by displaying\ntext similar to \"Cisco Internetwork Operating System Software\" or\n\"Cisco IOS Software.\" The image name displays in parentheses,\nfollowed by \"Version\" and the Cisco IOS Software release name. Other\nCisco devices do not have the \"show version\" command or may provide\ndifferent output. \n\nThe following example identifies a Cisco 6500 Series device that is\nrunning Cisco IOS Software release 12.2(18)SXF7 with an installed\nimage name of s72033_rp-IPSERVICESK9_WAN-M:\n\n Router#show version \n Cisco Internetwork Operating System Software \n IOS (tm) s72033_rp Software (s72033_rp-IPSERVICESK9_WAN-M), Version 12.2(18)SXF7, RELEASE SOFTWARE (fc1)\n Technical Support: http://www.cisco.com/techsupport\n Copyright \\xa9) 1986-2006 by cisco Systems, Inc. \n Compiled Thu 23-Nov-06 06:42 by kellythw\n \u003coutput truncated\u003e\n\nAdditional information about Cisco IOS Software release naming\nconventions is available in \"White Paper: Cisco IOS Reference Guide\"\nat the following link:\n\nhttp://www.cisco.com/warp/public/620/1.html\n\nProducts Confirmed Not Vulnerable\n+--------------------------------\n\nCisco IOS XR Software is not affected by this vulnerability. \n\nNo other Cisco products are currently known to be affected by this\nvulnerability. \n\nDetails\n=======\n\nIPsec is an IP security feature that provides robust authentication\nand encryption of IP packets. IKE is a key management protocol\nstandard that is used in conjunction with the IPsec standard. \n\nIKE is a hybrid protocol that implements the Oakley and SKEME key\nexchanges inside the Internet Security Association and Key Management\nProtocol (ISAKMP) framework. (ISAKMP, Oakley, and SKEME are security\nprotocols that are implemented by IKE.). \n\nAdministrators can view Phase 1 SAs that are allocated as a result of\nexploitation by issuing the \"show crypto isakmp sa\" command. The\nfollowing example displays sample output for this command:\n\n Router#show crypto isakmp sa\n IPv4 Crypto ISAKMP SA\n dst src state conn-id slot status\n 10.48.66.77 10.48.66.6 MM_KEY_EXCH 1004 ACTIVE\n 10.48.66.77 10.48.66.6 MM_KEY_EXCH 1003 ACTIVE\n 10.48.66.77 10.48.66.6 MM_KEY_EXCH 1002 ACTIVE\n .... \n\nAny allocated SA can be de-allocated up manually by using the \"clear\ncrypto isakmp \u003cconn-ID\u003e\" command. \n\nVulnerability Scoring Details\n=============================\n\nCisco has provided scores for the vulnerabilities in this advisory\nbased on the Common Vulnerability Scoring System (CVSS). The CVSS\nscoring in this Security Advisory is done in accordance with CVSS\nversion 2.0. \n\nCVSS is a standards-based scoring method that conveys vulnerability\nseverity and helps determine urgency and priority of response. \n\nCisco has provided a base and temporal score. Customers can then\ncompute environmental scores to assist in determining the impact of\nthe vulnerability in individual networks. \n\nCisco has provided an FAQ to answer additional questions regarding\nCVSS at:\n\nhttp://www.cisco.com/web/about/security/intelligence/cvss-qandas.html\n\nCisco has also provided a CVSS calculator to help compute the\nenvironmental impact for individual networks at:\n\nhttp://intellishield.cisco.com/security/alertmanager/cvss\n\nCSCsy07555 - P1 SA stuck in KEY_EXCH forever\n\nCVSS Base Score - 7.8\n\nAccess Vector - Network\nAccess Complexity - Low\nAuthentication - None\nConfidentiality Impact - None\nIntegrity Impact - None\nAvailability Impact - Complete\n\nCVSS Temporal Score - 6.4\n\nExploitability - Functional\nRemediation Level - Official-Fix\nReport Confidence - Confirmed\n\nCSCee72997 - P1 SA stuck in KEY_EXCH forever\n\nCVSS Base Score - 7.8\n\nAccess Vector - Network\nAccess Complexity - Low\nAuthentication - None\nConfidentiality Impact - None\nIntegrity Impact - None\nAvailability Impact - Complete\n\nCVSS Temporal Score - 6.4\n\nExploitability - Functional\nRemediation Level - Official-Fix\nReport Confidence - Confirmed\n\nImpact\n======\n\nSuccessful exploitation of this vulnerability may result in the\nallocation of all available Phase 1 SAs, which may prevent new IPsec\nsessions from being established. \n\nSoftware Versions and Fixes\n===========================\n\nWhen considering software upgrades, also consult:\n\nhttp://www.cisco.com/go/psirt\n\nand any subsequent advisories to determine exposure and a complete\nupgrade solution. \n\nIn all cases, customers should exercise caution to be certain the\ndevices to be upgraded contain sufficient memory and that current\nhardware and software configurations will continue to be supported\nproperly by the new release. If the information is not clear, contact\nthe Cisco Technical Assistance Center (TAC) or your contracted\nmaintenance provider for assistance. \n\nEach row of the Cisco IOS software table (below) names a Cisco IOS\nrelease train. If a given release train is vulnerable, then the\nearliest possible releases that contain the fix (along with the\nanticipated date of availability for each, if applicable) are listed\nin the \"First Fixed Release\" column of the table. The \"Recommended\nRelease\" column indicates the releases which have fixes for all the\npublished vulnerabilities at the time of this Advisory. A device\nrunning a release in the given train that is earlier than the release\nin a specific column (less than the First Fixed Release) is known to\nbe vulnerable. Cisco recommends upgrading to a release equal to or\nlater than the release in the \"Recommended Releases\" column of the\ntable. \n\n+-------------------------------------------------------------------+\n| Major | Availability of Repaired Releases |\n| Release | |\n|------------+------------------------------------------------------|\n| Affected | | Recommended |\n| 12.0-Based | First Fixed Release | Release |\n| Releases | | |\n|-------------------------------------------------------------------|\n| There are no affected 12.0 based releases |\n|-------------------------------------------------------------------|\n| Affected | | Recommended |\n| 12.1-Based | First Fixed Release | Release |\n| Releases | | |\n|-------------------------------------------------------------------|\n| There are no affected 12.1 based releases |\n|-------------------------------------------------------------------|\n| Affected | | Recommended |\n| 12.2-Based | First Fixed Release | Release |\n| Releases | | |\n|------------+---------------------------------------+--------------|\n| 12.2 | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2B | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2BC | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2BW | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2BX | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2BY | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2BZ | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2CX | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2CY | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2CZ | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2DA | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2DD | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2DX | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2EW | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2EWA | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| | Releases prior to 12.2(44)EX are | 12.2(50)SE3 |\n| | vulnerable, release 12.2(44)EX and | |\n| 12.2EX | later are not vulnerable; migrate to | 12.2(52)SE; |\n| | any release in 12.2SEG | Available on |\n| | | 13-OCT-2009 |\n|------------+---------------------------------------+--------------|\n| 12.2EY | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2EZ | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2FX | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2FY | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2FZ | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2IRA | Vulnerable; first fixed in 12.2SRD | 12.2(33)SRD3 |\n|------------+---------------------------------------+--------------|\n| 12.2IRB | Vulnerable; first fixed in 12.2SRD | 12.2(33)SRD3 |\n|------------+---------------------------------------+--------------|\n| | Vulnerable; Contact your support | |\n| 12.2IRC | organization per the instructions in | |\n| | Obtaining Fixed Software section of | |\n| | this advisory | |\n|------------+---------------------------------------+--------------|\n| 12.2IXA | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2IXB | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2IXC | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2IXD | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2IXE | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2IXF | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2IXG | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2IXH | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2JA | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2JK | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2MB | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2MC | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2S | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| | | 12.2(31)SB16 |\n| 12.2SB | 12.2(33)SB6 | |\n| | | 12.2(33)SB7 |\n|------------+---------------------------------------+--------------|\n| 12.2SBC | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SCA | Vulnerable; first fixed in 12.2SCB | 12.2(33)SCB4 |\n|------------+---------------------------------------+--------------|\n| 12.2SCB | 12.2(33)SCB4 | 12.2(33)SCB4 |\n|------------+---------------------------------------+--------------|\n| | | 12.2(50)SE3 |\n| | 12.2(50)SE3 | |\n| 12.2SE | | 12.2(52)SE; |\n| | 12.2(52)SE; Available on 13-OCT-2009 | Available on |\n| | | 13-OCT-2009 |\n|------------+---------------------------------------+--------------|\n| 12.2SEA | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SEB | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SEC | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SED | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SEE | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SEF | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SEG | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SG | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SGA | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SL | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SM | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SO | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SQ | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SRA | Vulnerable; first fixed in 12.2SRD | 12.2(33)SRD3 |\n|------------+---------------------------------------+--------------|\n| 12.2SRB | Vulnerable; first fixed in 12.2SRD | 12.2(33)SRD3 |\n|------------+---------------------------------------+--------------|\n| 12.2SRC | 12.2(33)SRC5; Available on | 12.2(33)SRD3 |\n| | 29-OCT-2009 | |\n|------------+---------------------------------------+--------------|\n| | 12.2(33)SRD3 | |\n| 12.2SRD | | 12.2(33)SRD3 |\n| | 12.2(33)SRD2a | |\n|------------+---------------------------------------+--------------|\n| 12.2STE | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SU | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SV | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SVA | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SVC | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SVD | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SVE | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SW | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SX | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SXA | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SXB | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SXD | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SXE | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SXF | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| | 12.2(33)SXH6; Available on | 12.2(33) |\n| | 30-OCT-2009 | SXH6; |\n| 12.2SXH | | Available on |\n| | Please see IOS Software Modularity | 30-OCT-2009 |\n| | Patch | |\n|------------+---------------------------------------+--------------|\n| 12.2SXI | 12.2(33)SXI2a | 12.2(33) |\n| | | SXI2a |\n|------------+---------------------------------------+--------------|\n| 12.2SY | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2SZ | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2T | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2TPC | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2XA | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2XB | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2XC | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2XD | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2XE | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2XF | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2XG | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2XH | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2XI | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2XJ | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2XK | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2XL | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2XM | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2XNA | Please see Cisco IOS-XE Software | |\n| | Availability | |\n|------------+---------------------------------------+--------------|\n| 12.2XNB | Please see Cisco IOS-XE Software | |\n| | Availability | |\n|------------+---------------------------------------+--------------|\n| 12.2XNC | Please see Cisco IOS-XE Software | |\n| | Availability | |\n|------------+---------------------------------------+--------------|\n| 12.2XND | Please see Cisco IOS-XE Software | |\n| | Availability | |\n|------------+---------------------------------------+--------------|\n| 12.2XO | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2XQ | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2XR | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2XS | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2XT | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2XU | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2XV | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2XW | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2YA | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2YB | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2YC | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2YD | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2YE | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2YF | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2YG | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2YH | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2YJ | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2YK | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2YL | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2YM | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2YN | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2YO | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2YP | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2YQ | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2YR | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2YS | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2YT | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2YU | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2YV | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2YW | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2YX | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2YY | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2YZ | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2ZA | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2ZB | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2ZC | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2ZD | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2ZE | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2ZF | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2ZG | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2ZH | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2ZJ | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2ZL | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2ZP | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2ZU | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2ZX | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2ZY | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.2ZYA | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| Affected | | Recommended |\n| 12.3-Based | First Fixed Release | Release |\n| Releases | | |\n|------------+---------------------------------------+--------------|\n| 12.3 | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.3B | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.3BC | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.3BW | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.3EU | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.3JA | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.3JEA | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.3JEB | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.3JEC | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.3JK | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.3JL | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.3JX | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| | Vulnerable; first fixed in 12.4 | 12.4(25b) |\n| 12.3T | | |\n| | Releases up to and including 12.3(8) | 12.4(23b) |\n| | T11 are not vulnerable. | |\n|------------+---------------------------------------+--------------|\n| 12.3TPC | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.3VA | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.3XA | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.3XB | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.3XC | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.3XD | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.3XE | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.3XF | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.3XG | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.3XI | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.3XJ | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.3XK | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| | | 12.4(20)T4 |\n| | | |\n| | | 12.4(22)T3 |\n| 12.3XL | Vulnerable; first fixed in 12.4T | |\n| | | 12.4(24)T2; |\n| | | Available on |\n| | | 23-OCT-2009 |\n|------------+---------------------------------------+--------------|\n| 12.3XQ | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| | | 12.4(25b) |\n| 12.3XR | Vulnerable; first fixed in 12.4 | |\n| | | 12.4(23b) |\n|------------+---------------------------------------+--------------|\n| | | 12.4(25b) |\n| 12.3XS | Vulnerable; first fixed in 12.4 | |\n| | | 12.4(23b) |\n|------------+---------------------------------------+--------------|\n| 12.3XU | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.3XW | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| | | 12.4(25b) |\n| 12.3XX | Vulnerable; first fixed in 12.4 | |\n| | | 12.4(23b) |\n|------------+---------------------------------------+--------------|\n| 12.3XY | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.3XZ | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| | | 12.4(25b) |\n| 12.3YA | Vulnerable; first fixed in 12.4 | |\n| | | 12.4(23b) |\n|------------+---------------------------------------+--------------|\n| | | 12.4(15)T10 |\n| | | |\n| | | 12.4(20)T4 |\n| | | |\n| 12.3YD | Vulnerable; first fixed in 12.4T | 12.4(22)T3 |\n| | | |\n| | | 12.4(24)T2; |\n| | | Available on |\n| | | 23-OCT-2009 |\n|------------+---------------------------------------+--------------|\n| | Vulnerable; migrate to any release in | 12.4(15)XR7 |\n| 12.3YF | 12.4XN | |\n| | | 12.4(22)XR |\n|------------+---------------------------------------+--------------|\n| | | 12.4(15)T10 |\n| | | |\n| | | 12.4(20)T4 |\n| | | |\n| 12.3YG | Vulnerable; first fixed in 12.4T | 12.4(22)T3 |\n| | | |\n| | | 12.4(24)T2; |\n| | | Available on |\n| | | 23-OCT-2009 |\n|------------+---------------------------------------+--------------|\n| | | 12.4(15)T10 |\n| | | |\n| | | 12.4(20)T4 |\n| | | |\n| 12.3YH | Vulnerable; first fixed in 12.4T | 12.4(22)T3 |\n| | | |\n| | | 12.4(24)T2; |\n| | | Available on |\n| | | 23-OCT-2009 |\n|------------+---------------------------------------+--------------|\n| | | 12.4(15)T10 |\n| | | |\n| | | 12.4(20)T4 |\n| | | |\n| 12.3YI | Vulnerable; first fixed in 12.4T | 12.4(22)T3 |\n| | | |\n| | | 12.4(24)T2; |\n| | | Available on |\n| | | 23-OCT-2009 |\n|------------+---------------------------------------+--------------|\n| 12.3YJ | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| | | 12.4(15)T10 |\n| | | |\n| | | 12.4(20)T4 |\n| | | |\n| 12.3YK | Vulnerable; first fixed in 12.4T | 12.4(22)T3 |\n| | | |\n| | | 12.4(24)T2; |\n| | | Available on |\n| | | 23-OCT-2009 |\n|------------+---------------------------------------+--------------|\n| 12.3YM | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| | | 12.4(15)T10 |\n| | | |\n| | | 12.4(20)T4 |\n| | | |\n| 12.3YQ | Vulnerable; first fixed in 12.4T | 12.4(22)T3 |\n| | | |\n| | | 12.4(24)T2; |\n| | | Available on |\n| | | 23-OCT-2009 |\n|------------+---------------------------------------+--------------|\n| | | 12.4(15)T10 |\n| | | |\n| | | 12.4(20)T4 |\n| | | |\n| 12.3YS | Vulnerable; first fixed in 12.4T | 12.4(22)T3 |\n| | | |\n| | | 12.4(24)T2; |\n| | | Available on |\n| | | 23-OCT-2009 |\n|------------+---------------------------------------+--------------|\n| | | 12.4(15)T10 |\n| | | |\n| | | 12.4(20)T4 |\n| | | |\n| 12.3YT | Vulnerable; first fixed in 12.4T | 12.4(22)T3 |\n| | | |\n| | | 12.4(24)T2; |\n| | | Available on |\n| | | 23-OCT-2009 |\n|------------+---------------------------------------+--------------|\n| | | 12.4(15)T10 |\n| | | |\n| | | 12.4(20)T4 |\n| | | |\n| 12.3YU | Vulnerable; first fixed in 12.4T | 12.4(22)T3 |\n| | | |\n| | | 12.4(24)T2; |\n| | | Available on |\n| | | 23-OCT-2009 |\n|------------+---------------------------------------+--------------|\n| | Vulnerable; migrate to any release in | 12.4(15)XR7 |\n| 12.3YX | 12.4XN | |\n| | | 12.4(22)XR |\n|------------+---------------------------------------+--------------|\n| | Vulnerable; Contact your support | |\n| 12.3YZ | organization per the instructions in | |\n| | Obtaining Fixed Software section of | |\n| | this advisory | |\n|------------+---------------------------------------+--------------|\n| 12.3ZA | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| Affected | | Recommended |\n| 12.4-Based | First Fixed Release | Release |\n| Releases | | |\n|------------+---------------------------------------+--------------|\n| | Releases prior to 12.4(7) are | 12.4(25b) |\n| 12.4 | vulnerable; Releases 12.4(7a) and | |\n| | later are not vulnerable. | 12.4(23b) |\n|------------+---------------------------------------+--------------|\n| 12.4GC | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4JA | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4JDA | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4JDC | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4JDD | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4JK | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4JL | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4JMA | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4JMB | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4JX | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4MD | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4MDA | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4MR | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4SW | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| | | 12.4(15)T10 |\n| | | |\n| | 12.4(4)T8 | 12.4(20)T4 |\n| | | |\n| 12.4T | 12.4(9)T | 12.4(22)T3 |\n| | | |\n| | 12.4(6)T1 | 12.4(24)T2; |\n| | | Available on |\n| | | 23-OCT-2009 |\n|------------+---------------------------------------+--------------|\n| | | 12.4(15)T10 |\n| | | |\n| | | 12.4(20)T4 |\n| | | |\n| 12.4XA | Vulnerable; first fixed in 12.4T | 12.4(22)T3 |\n| | | |\n| | | 12.4(24)T2; |\n| | | Available on |\n| | | 23-OCT-2009 |\n|------------+---------------------------------------+--------------|\n| | | 12.4(15)T10 |\n| | | |\n| | | 12.4(20)T4 |\n| | | |\n| 12.4XB | Vulnerable; first fixed in 12.4T | 12.4(22)T3 |\n| | | |\n| | | 12.4(24)T2; |\n| | | Available on |\n| | | 23-OCT-2009 |\n|------------+---------------------------------------+--------------|\n| | | 12.4(15)T10 |\n| | | |\n| | | 12.4(20)T4 |\n| | | |\n| 12.4XC | Vulnerable; first fixed in 12.4T | 12.4(22)T3 |\n| | | |\n| | | 12.4(24)T2; |\n| | | Available on |\n| | | 23-OCT-2009 |\n|------------+---------------------------------------+--------------|\n| | | 12.4(15)T10 |\n| | | |\n| | | 12.4(20)T4 |\n| | | |\n| 12.4XD | Vulnerable; first fixed in 12.4T | 12.4(22)T3 |\n| | | |\n| | | 12.4(24)T2; |\n| | | Available on |\n| | | 23-OCT-2009 |\n|------------+---------------------------------------+--------------|\n| 12.4XE | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4XF | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4XG | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4XJ | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4XK | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4XL | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4XM | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4XN | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4XP | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4XQ | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4XR | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4XT | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4XV | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4XW | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4XY | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4XZ | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4YA | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4YB | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4YD | Not Vulnerable | |\n|------------+---------------------------------------+--------------|\n| 12.4YE | Not Vulnerable | |\n+-------------------------------------------------------------------+\n\nCisco IOS XE Software\n+--------------------\n\n+-------------------------------------------------------------------+\n| Cisco IOS XE Software Release | First Fixed Release |\n|---------------------------------------+---------------------------|\n| 2.1.x | 2.3.0t |\n|---------------------------------------+---------------------------|\n| 2.2.x | 2.3.0t |\n|---------------------------------------+---------------------------|\n| 2.3.x | Not Vulnerable |\n|---------------------------------------+---------------------------|\n| 2.4.x | Not Vulnerable |\n+-------------------------------------------------------------------+\n\nCisco IOS Software Modularity - Maintenance Packs\n+------------------------------------------------\n\nCustomers who are using Cisco IOS Software Modularity can apply the\nrespective maintenance packs. More information on Cisco IOS Software\nModularity can be found at the following link:\n\nhttp://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps708/prod_bulletin0900aecd80313e15.html\n\nThe Maintenance Packs listed below can be downloaded at:\n\nhttp://www.cisco.com/go/pn\n\nCisco IOS Software Modularity Maintenance Pack for 12.2SXH\n+---------------------------------------------------------\n\n+-------------------------------------------------------------------+\n| Cisco IOS Software Release | Solution Maintenance Pack(MP) |\n|-------------------------------+-----------------------------------|\n| 12.2(33)SXH3 | MP003 |\n|-------------------------------+-----------------------------------|\n| 12.2(33)SXH4 | MP002 |\n|-------------------------------+-----------------------------------|\n| 12.2(33)SXH5 | MP001 |\n+-------------------------------------------------------------------+\n\nWorkarounds\n===========\n\nThere are no workarounds for this vulnerability. \n\nAdditional mitigations that can be deployed on Cisco devices in the\nnetwork are available in the Cisco Applied Mitigation Bulletin\ncompanion document for this advisory, which is available at the\nfollowing link:\n\nhttp://www.cisco.com/warp/public/707/cisco-amb-20090923-ipsec.shtml\n\nObtaining Fixed Software\n========================\n\nCisco has released free software updates that address these\nvulnerabilities. Prior to deploying software, customers should\nconsult their maintenance provider or check the software for feature\nset compatibility and known issues specific to their environment. \n\nCustomers may only install and expect support for the feature sets\nthey have purchased. By installing, downloading, accessing or\notherwise using such software upgrades, customers agree to be bound\nby the terms of Cisco\u0027s software license terms found at:\n\nhttp://www.cisco.com/en/US/docs/general/warranty/English/EU1KEN_.html\n\nor as otherwise set forth at Cisco.com Downloads at:\n\nhttp://www.cisco.com/public/sw-center/sw-usingswc.shtml\n\nDo not contact psirt@cisco.com or security-alert@cisco.com for\nsoftware upgrades. \n\nCustomers with Service Contracts\n+-------------------------------\n\nCustomers with contracts should obtain upgraded software through\ntheir regular update channels. For most customers, this means that\nupgrades should be obtained through the Software Center on Cisco\u0027s\nworldwide website at http://www.cisco.com. \n\nCustomers using Third Party Support Organizations\n+------------------------------------------------\n\nCustomers whose Cisco products are provided or maintained through\nprior or existing agreements with third-party support organizations,\nsuch as Cisco Partners, authorized resellers, or service providers\nshould contact that support organization for guidance and assistance\nwith the appropriate course of action in regards to this advisory. \n\nThe effectiveness of any workaround or fix is dependent on specific\ncustomer situations, such as product mix, network topology, traffic\nbehavior, and organizational mission. Due to the variety of affected\nproducts and releases, customers should consult with their service\nprovider or support organization to ensure any applied workaround or\nfix is the most appropriate for use in the intended network before it\nis deployed. \n\nCustomers without Service Contracts\n+----------------------------------\n\nCustomers who purchase direct from Cisco but do not hold a Cisco\nservice contract, and customers who purchase through third-party\nvendors but are unsuccessful in obtaining fixed software through\ntheir point of sale should acquire upgrades by contacting the Cisco\nTechnical Assistance Center (TAC). TAC contacts are as follows. \n\n * +1 800 553 2447 (toll free from within North America)\n * +1 408 526 7209 (toll call from anywhere in the world)\n * e-mail: tac@cisco.com\n\nCustomers should have their product serial number available and be\nprepared to give the URL of this notice as evidence of entitlement to\na free upgrade. Free upgrades for non-contract customers must be\nrequested through the TAC. \n\nRefer to:\n\nhttp://www.cisco.com/en/US/support/tsd_cisco_worldwide_contacts.html\n\nfor additional TAC contact information, including localized telephone\nnumbers, and instructions and e-mail addresses for use in various\nlanguages. \n\nExploitation and Public Announcements\n=====================================\n\nThe Cisco PSIRT is not aware of any public announcements or malicious\nuse of the vulnerability described in this advisory. \n\nThis vulnerability was reported to Cisco by a customer. \n\nStatus of this Notice: FINAL\n============================\n\nTHIS DOCUMENT IS PROVIDED ON AN \"AS IS\" BASIS AND DOES NOT IMPLY ANY\nKIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF\nMERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE\nINFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS\nAT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS\nDOCUMENT AT ANY TIME. \n\nA stand-alone copy or Paraphrase of the text of this document that\nomits the distribution URL in the following section is an\nuncontrolled copy, and may lack important information or contain\nfactual errors. \n\nDistribution\n============\n\nThis advisory is posted on Cisco\u0027s worldwide website at:\n\nhttp://www.cisco.com/warp/public/707/cisco-sa-20090923-ipsec.shtml\n\nIn addition to worldwide web posting, a text version of this notice\nis clear-signed with the Cisco PSIRT PGP key and is posted to the\nfollowing e-mail and Usenet news recipients. \n\n * cust-security-announce@cisco.com\n * first-bulletins@lists.first.org\n * bugtraq@securityfocus.com\n * vulnwatch@vulnwatch.org\n * cisco@spot.colorado.edu\n * cisco-nsp@puck.nether.net\n * full-disclosure@lists.grok.org.uk\n * comp.dcom.sys.cisco@newsgate.cisco.com\n\nFuture updates of this advisory, if any, will be placed on Cisco\u0027s\nworldwide website, but may or may not be actively announced on\nmailing lists or newsgroups. Users concerned about this problem are\nencouraged to check the above URL for any updates. \n\nRevision History\n================\n\n+----------------------------------------+\n| Revision | | Initial |\n| 1.0 | 2009-September-23 | public |\n| | | release |\n+----------------------------------------+\n\nCisco Security Procedures\n=========================\n\nComplete information on reporting security vulnerabilities in Cisco\nproducts, obtaining assistance with security incidents, and\nregistering to receive security information from Cisco, is available\non Cisco\u0027s worldwide website at:\n\nhttp://www.cisco.com/en/US/products/products_security_vulnerability_policy.html\n\nThis includes instructions for press inquiries regarding Cisco security\nnotices. All Cisco security advisories are available at:\n\nhttp://www.cisco.com/go/psirt\n-----BEGIN PGP SIGNATURE-----\n\niD8DBQFKukGS86n/Gc8U/uARAra6AJ0TewwCLaVWd9M++iaztx1+pEWi6QCfdP8l\nOST6ldrzEu8BBhfiZe0wApg=\n=9J0c\n-----END PGP SIGNATURE-----\n\n",
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.