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Vulnerability Alert

Cisco TelePresence Video Communication Server Policy Services Security Bypass Vulnerability

 
Threat Type:CWE-264: Permissions, Privileges, and Access Control
IntelliShield ID:27940
Version:1
First Published:2013 January 22 21:03 GMT
Last Published:2013 January 22 21:03 GMT
Port: Not available
CVE:CVE-2012-5444
BugTraq ID:57486
Urgency:Unlikely Use
Credibility:Confirmed
Severity:Mild Damage
CVSS Base:5.0 CVSS Calculator
CVSS Version 2.0
CVSS Temporal:4.8
Related Resources:
View related Security Notice
 
 
Version Summary:Cisco TelePresence Video Communication Server contains a vulnerability that could allow an unauthenticated, remote attacker to bypass security restrictions on a targeted system. Updates are not available.
 
 
Description
Cisco TelePresence Video Communication Server (VCS) contains a vulnerability that could allow an unauthenticated, remote attacker to bypass security restrictions on a targeted system.

The vulnerability is due to improper processing of certain search rules processed by the affected software. An unauthenticated, remote attacker could exploit this vulnerability to access the policy service. The attacker could use this access to create a conference using Conductor. Successful exploitation could aid an attacker in conducting further attacks.

Cisco has confirmed this vulnerability; however, software updates are not available.
 
Warning Indicators
Cisco TelePresence VCS version X7.0.3 is vulnerable.
 
IntelliShield Analysis
To exploit the vulnerability, an attacker would likely need access to trusted, internal networks. This access requirement may limit the likelihood of a successful attack.

Cisco indicates through the CVSS score that functional exploit code exists; however, the code is not known to be publicly available.
 
Vendor Announcements
Cisco has released a security notice for Cisco bug ID CSCub67989 at the following link: CVE-2012-5444
 
Impact
An unauthenticated, remote attacker could exploit the vulnerability to bypass security restrictions and gain unauthorized access to the policy service use by the affected software. Successful exploitation could allow an attacker to create a conference using Conductor.
 
Technical Information
The vulnerability occurs when the affected software processes certain search rules. Users could bypass security restrictions imposed by the affected software and have unauthorized access to the policy service used by the affected software.

An unauthenticated, remote attacker could exploit this vulnerability to access the policy service. If successful, an attacker could create a conference using Conductor, which could be used to conduct further attacks.
 
Safeguards
Administrators are advised to contact the vendor regarding future updates and releases.

Administrators are advised to allow only trusted users to have network access.

Administrators are advised to monitor affected systems.
 
Patches/Software
Patches and software updates are not available.
 
Alert History
 
Initial Release


Product Sets
 
The security vulnerability applies to the following combinations of products.

Primary Products:
CiscoCisco TelePresence Video Communication Server (VCS) X7.0 .3

Associated Products:
N/A




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LEGAL DISCLAIMER
The urgency and severity ratings of this alert are not tailored to individual users; users may value alerts differently based upon their network configurations and circumstances. THE ALERT, AND INFORMATION CONTAINED THEREIN, ARE PROVIDED ON AN "AS IS" BASIS AND DO NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE ALERT, AND INFORMATION CONTAINED THEREIN, OR MATERIALS LINKED FROM THE ALERT, IS AT YOUR OWN RISK. INFORMATION IN THIS ALERT AND ANY RELATED COMMUNICATIONS IS BASED ON OUR KNOWLEDGE AT THE TIME OF PUBLICATION AND IS SUBJECT TO CHANGE WITHOUT NOTICE. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE ALERTS AT ANY TIME.
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