Common Weakness Enumeration
CWE-665
DiscouragedImproper Initialization
Abstraction: Class · Status: Draft
The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used.
432 vulnerabilities reference this CWE, most recent first.
CVE-2020-14347 (GCVE-0-2020-14347)
Vulnerability from cvelistv5 – Published: 2020-08-05 13:08 – Updated: 2024-08-04 12:39
VLAI
EPSS
VEX
Summary
A flaw was found in the way xserver memory was not properly initialized. This could leak parts of server memory to the X client. In cases where Xorg server runs with elevated privileges, this could result in possible ASLR bypass. Xorg-server before version 1.20.9 is vulnerable.
Severity
5.5 (Medium)
CWE
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://lists.x.org/archives/xorg-announce/2020-J… | x_refsource_MISC |
| https://www.openwall.com/lists/oss-security/2020/… | x_refsource_MISC |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| https://lists.debian.org/debian-lts-announce/2020… | mailing-listx_refsource_MLIST |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| https://www.debian.org/security/2020/dsa-4758 | vendor-advisoryx_refsource_DEBIAN |
| https://usn.ubuntu.com/4488-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/4488-2/ | vendor-advisoryx_refsource_UBUNTU |
| https://security.gentoo.org/glsa/202012-01 | vendor-advisoryx_refsource_GENTOO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Xorg Project | xorg-x11-server |
Affected:
1.20.9
|
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CVE-2020-10725 (GCVE-0-2020-10725)
Vulnerability from cvelistv5 – Published: 2020-05-20 13:16 – Updated: 2024-08-04 11:14
VLAI
EPSS
VEX
Summary
A flaw was found in DPDK version 19.11 and above that allows a malicious guest to cause a segmentation fault of the vhost-user backend application running on the host, which could result in a loss of connectivity for the other guests running on that host. This is caused by a missing validity check of the descriptor address in the function `virtio_dev_rx_batch_packed()`.
Severity
7.7 (High)
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://www.openwall.com/lists/oss-security/2020/… | x_refsource_MISC |
| https://www.oracle.com/security-alerts/cpujan2021.html | x_refsource_MISC |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| https://bugs.dpdk.org/show_bug.cgi?id=270 | x_refsource_MISC |
Impacted products
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CVE-2020-8918 (GCVE-0-2020-8918)
Vulnerability from cvelistv5 – Published: 2020-08-11 18:35 – Updated: 2024-08-04 10:12
VLAI
EPSS
VEX
Title
TPM 1.2 key authorization values are vulnerable to a TPM transport eavesdropper
Summary
An improperly initialized 'migrationAuth' value in Google's go-tpm TPM1.2 library versions prior to 0.3.0 can lead an eavesdropping attacker to discover the auth value for a key created with CreateWrapKey. An attacker listening in on the channel can collect both 'encUsageAuth' and 'encMigrationAuth', and then can calculate 'usageAuth ^ encMigrationAuth' as the 'migrationAuth' can be guessed for all keys created with CreateWrapKey. TPM2.0 is not impacted by this. We recommend updating your library to 0.3.0 or later, or, if you cannot update, to call CreateWrapKey with a random 20-byte value for 'migrationAuth'.
Severity
6.3 (Medium)
CWE
- CWE-665 - Improper Initialization
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/google/go-tpm/security/advisor… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Google LLC | google/go-tpm library |
Affected:
stable , < 0.3.0
(custom)
|
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CVE-2020-4067 (GCVE-0-2020-4067)
Vulnerability from cvelistv5 – Published: 2020-06-29 19:55 – Updated: 2024-08-04 07:52
VLAI
EPSS
VEX
Title
Improper Initialization in coturn
Summary
In coturn before version 4.5.1.3, there is an issue whereby STUN/TURN response buffer is not initialized properly. There is a leak of information between different client connections. One client (an attacker) could use their connection to intelligently query coturn to get interesting bytes in the padding bytes from the connection of another client. This has been fixed in 4.5.1.3.
Severity
CWE
- CWE-665 - Improper Initialization
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://github.com/coturn/coturn/security/advisor… | x_refsource_CONFIRM |
| https://github.com/coturn/coturn/issues/583 | x_refsource_MISC |
| https://github.com/coturn/coturn/blob/aab60340b20… | x_refsource_MISC |
| https://www.debian.org/security/2020/dsa-4711 | vendor-advisoryx_refsource_DEBIAN |
| https://lists.debian.org/debian-lts-announce/2020… | mailing-listx_refsource_MLIST |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| https://usn.ubuntu.com/4415-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
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CVE-2020-1617 (GCVE-0-2020-1617)
Vulnerability from cvelistv5 – Published: 2020-04-08 19:25 – Updated: 2024-09-16 18:03
VLAI
EPSS
VEX
Title
Junos OS: PTX1000 and PTX10000 Series, QFX10000 Series using non-AFT architectures: A specific genuine packet inspected by sFlow will cause a reboot.
Summary
This issue occurs on Juniper Networks Junos OS devices which do not support Advanced Forwarding Interface (AFI) / Advanced Forwarding Toolkit (AFT). Devices using AFI and AFT are not exploitable to this issue. An improper initialization of memory in the packet forwarding architecture in Juniper Networks Junos OS non-AFI/AFT platforms which may lead to a Denial of Service (DoS) vulnerability being exploited when a genuine packet is received and inspected by non-AFT/AFI sFlow and when the device is also configured with firewall policers. This first genuine packet received and inspected by sampled flow (sFlow) through a specific firewall policer will cause the device to reboot. After the reboot has completed, if the device receives and sFlow inspects another genuine packet seen through a specific firewall policer, the device will generate a core file and reboot. Continued inspection of these genuine packets will create an extended Denial of Service (DoS) condition. Depending on the method for service restoration, e.g. hard boot or soft reboot, a core file may or may not be generated the next time the packet is received and inspected by sFlow. This issue affects: Juniper Networks Junos OS 17.4 versions prior to 17.4R2-S9, 17.4R3 on PTX1000 and PTX10000 Series, QFX10000 Series; 18.1 versions prior to 18.1R3-S9 on PTX1000 and PTX10000 Series, QFX10000 Series; 18.2X75 versions prior to 18.2X75-D12, 18.2X75-D30 on PTX1000 and PTX10000 Series, QFX10000 Series; 18.2 versions prior to 18.2R3 on PTX1000 and PTX10000 Series, QFX10000 Series; 18.3 versions prior to 18.3R3 on PTX1000 and PTX10000 Series, QFX10000 Series. This issue is not applicable to Junos OS versions before 17.4R1. This issue is not applicable to Junos OS Evolved or Junos OS with Advanced Forwarding Toolkit (AFT) forwarding implementations which use a different implementation of sFlow. The following example information is unrelated to this issue and is provided solely to assist you with determining if you have AFT or not. Example: A Junos OS device which supports the use of EVPN signaled VPWS with Flexible Cross Connect uses the AFT implementation. Since this configuration requires support and use of the AFT implementation to support this configuration, the device is not vulnerable to this issue as the sFlow implementation is different using the AFT architecture. For further details about AFT visit the AFI / AFT are in the links below. If you are uncertain if you use the AFI/AFT implementation or not, there are configuration examples in the links below which you may use to determine if you are vulnerable to this issue or not. If the commands work, you are. If not, you are not. You may also use the Feature Explorer to determine if AFI/AFT is supported or not. If you are still uncertain, please contact your support resources.
Severity
7.5 (High)
CWE
- Denial of Service (DoS)
- CWE-665 - Improper Initialization
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://kb.juniper.net/JSA11000 | x_refsource_MISC |
| https://github.com/Juniper/AFI | x_refsource_MISC |
| https://www.juniper.net/documentation/en_US/junos… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
17.4 , < 17.4R2-S9, 17.4R3
(custom)
Affected: 18.1 , ≤ 18.1R3-S9 (custom) Affected: 18.2X75 , < 18.2X75-D12, 18.2X75-D30 (custom) Affected: 18.2 , < 18.2R3 (custom) Affected: 18.3 , < 18.3R3 (custom) |
Date Public
2020-04-08 00:00
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CVE-2019-15681 (GCVE-0-2019-15681)
Vulnerability from cvelistv5 – Published: 2019-10-29 16:04 – Updated: 2024-08-05 00:56
VLAI
EPSS
VEX
Summary
LibVNC commit before d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a contains a memory leak (CWE-655) in VNC server code, which allow an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This attack appear to be exploitable via network connectivity. These vulnerabilities have been fixed in commit d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a.
Severity
No CVSS data available.
CWE
- CWE-665 - Improper Initialization
Assigner
References
12 references
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|---|---|
| https://github.com/LibVNC/libvncserver/commit/d01… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2019… | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2019… | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2019… | mailing-listx_refsource_MLIST |
| https://lists.debian.org/debian-lts-announce/2019… | mailing-listx_refsource_MLIST |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| https://usn.ubuntu.com/4407-1/ | vendor-advisoryx_refsource_UBUNTU |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| https://usn.ubuntu.com/4547-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/4573-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/4587-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_CONFIRM |
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},
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CVE-2019-10196 (GCVE-0-2019-10196)
Vulnerability from cvelistv5 – Published: 2021-03-19 19:22 – Updated: 2024-08-04 22:17
VLAI
EPSS
VEX
Summary
A flaw was found in http-proxy-agent, prior to version 2.1.0. It was discovered http-proxy-agent passes an auth option to the Buffer constructor without proper sanitization. This could result in a Denial of Service through the usage of all available CPU resources and data exposure through an uninitialized memory leak in setups where an attacker could submit typed input to the auth parameter.
Severity
No CVSS data available.
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1567245 | x_refsource_MISC |
| https://www.npmjs.com/advisories/607 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | nodejs-http-proxy-agent |
Affected:
prior to nodejs-http-proxy-agent 2.1.0
|
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CVE-2019-8277 (GCVE-0-2019-8277)
Vulnerability from cvelistv5 – Published: 2019-03-09 00:00 – Updated: 2024-08-04 21:17
VLAI
EPSS
VEX
Summary
UltraVNC revision 1211 contains multiple memory leaks (CWE-665) in VNC server code, which allows an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1212.
Severity
No CVSS data available.
CWE
- CWE-665 - multiple memory leaks (CWE-665)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://ics-cert.kaspersky.com/advisories/klcert-… | x_refsource_CONFIRM |
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_CONFIRM |
| https://www.us-cert.gov/ics/advisories/icsa-20-161-06 | x_refsource_MISC |
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_CONFIRM |
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_CONFIRM |
| https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Kaspersky Lab | UltraVNC |
Affected:
revision 1211
|
Date Public
2019-03-01 00:00
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CVE-2019-8259 (GCVE-0-2019-8259)
Vulnerability from cvelistv5 – Published: 2019-03-05 15:00 – Updated: 2024-09-16 20:59
VLAI
EPSS
VEX
Summary
UltraVNC revision 1198 contains multiple memory leaks (CWE-655) in VNC client code, which allow an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1199.
Severity
No CVSS data available.
CWE
- CWE-665 - Improper Initialization
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://ics-cert.kaspersky.com/advisories/klcert-… | x_refsource_MISC |
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_CONFIRM |
| https://www.us-cert.gov/ics/advisories/icsa-20-161-06 | x_refsource_MISC |
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| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_CONFIRM |
| https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11 | x_refsource_MISC |
Date Public
2019-03-01 00:00
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CVE-2019-1840 (GCVE-0-2019-1840)
Vulnerability from cvelistv5 – Published: 2019-04-18 01:25 – Updated: 2024-11-19 19:10
VLAI
EPSS
VEX
Title
Cisco Prime Network Registrar Denial of Service Vulnerability
Summary
A vulnerability in the DHCPv6 input packet processor of Cisco Prime Network Registrar could allow an unauthenticated, remote attacker to restart the server and cause a denial of service (DoS) condition on the affected system. The vulnerability is due to incomplete user-supplied input validation when a custom extension attempts to change a DHCPv6 packet received by the application. An attacker could exploit this vulnerability by sending malformed DHCPv6 packets to the application. An exploit could allow the attacker to trigger a restart of the service which, if exploited repeatedly, might lead to a DoS condition. This vulnerability can only be exploited if the administrator of the server has previously installed custom extensions that attempt to modify the packet details before the packet has been processed. Note: Although the CVSS score matches a High SIR, this has been lowered to Medium because this condition will only affect an application that has customer-developed extensions that will attempt to modify packet parameters before the packet has been completely sanitized. If packet modification in a custom extension happens after the packet has been sanitized, the application will not be affected by this vulnerability. Software versions prior to 8.3(7) and 9.1(2) are affected.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-19 17:24 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
| http://www.securityfocus.com/bid/108033 | vdb-entryx_refsource_BID |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Prime Network Registrar |
Affected:
unspecified , < 8.3(7)
(custom)
Affected: unspecified , < 9.1(2) (custom) |
Date Public
2019-04-17 00:00
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Mitigation MIT-3
Requirements
Strategy: Language Selection
- Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- For example, in Java, if the programmer does not explicitly initialize a variable, then the code could produce a compile-time error (if the variable is local) or automatically initialize the variable to the default value for the variable's type. In Perl, if explicit initialization is not performed, then a default value of undef is assigned, which is interpreted as 0, false, or an equivalent value depending on the context in which the variable is accessed.
Mitigation
Architecture and Design
Identify all variables and data stores that receive information from external sources, and apply input validation to make sure that they are only initialized to expected values.
Mitigation
Implementation
Explicitly initialize all your variables and other data stores, either during declaration or just before the first usage.
Mitigation
Implementation
Pay close attention to complex conditionals that affect initialization, since some conditions might not perform the initialization.
Mitigation
Implementation
Avoid race conditions (CWE-362) during initialization routines.
Mitigation
Build and Compilation
Run or compile your product with settings that generate warnings about uninitialized variables or data.
CAPEC-26: Leveraging Race Conditions
The adversary targets a race condition occurring when multiple processes access and manipulate the same resource concurrently, and the outcome of the execution depends on the particular order in which the access takes place. The adversary can leverage a race condition by "running the race", modifying the resource and modifying the normal execution flow. For instance, a race condition can occur while accessing a file: the adversary can trick the system by replacing the original file with their version and cause the system to read the malicious file.
CAPEC-29: Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions
This attack targets a race condition occurring between the time of check (state) for a resource and the time of use of a resource. A typical example is file access. The adversary can leverage a file access race condition by "running the race", meaning that they would modify the resource between the first time the target program accesses the file and the time the target program uses the file. During that period of time, the adversary could replace or modify the file, causing the application to behave unexpectedly.