VAR-200608-0476
Vulnerability from variot - Updated: 2025-04-03 22:26Unspecified vulnerability in Cisco IOS CallManager Express (CME) allows remote attackers to gain sensitive information (user names) from the Session Initiation Protocol (SIP) user directory via certain SIP messages, aka bug CSCse92417. Cisco CallManager Express is prone to an information-disclosure vulnerability because the application fails to protect sensitive data from an attacker. An attacker could exploit this issue to retrieve potentially sensitive information that may aid in further attacks.
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TITLE: Cisco CallManager Express SIP User Directory Disclosure
SECUNIA ADVISORY ID: SA21335
VERIFY ADVISORY: http://secunia.com/advisories/21335/
CRITICAL: Not critical
IMPACT: Exposure of sensitive information
WHERE:
From local network
SOFTWARE: Cisco CallManager Express 3.x http://secunia.com/product/11230/
DESCRIPTION: A weakness has been reported in Cisco CallManager Express, which can be exploited by malicious people to disclose potentially sensitive information. This can be exploited to disclose the names of the users in the SIP user database by sending specially crafted SIP messages.
SOLUTION: The vendor recommends implementing the VoIP (Voice over Internet Protocol) infrastructure and data devices on separate VLANs according to best security practices.
PROVIDED AND/OR DISCOVERED BY: The vendor credits Dave Endler and Mark Collier.
ORIGINAL ADVISORY: Cisco: http://www.cisco.com/warp/public/707/cisco-sr-20060802-sip.shtml
About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities.
Subscribe: http://secunia.com/secunia_security_advisories/
Definitions: (Criticality, Where etc.) http://secunia.com/about_secunia_advisories/
Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor.
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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.