Vulnerability Alert

Cisco TC Software SIP Implementation Vulnerability

 
Threat Type:CWE-399: Resource Management Errors
IntelliShield ID:29851
Version:1
First Published:2013 July 01 15:53 GMT
Last Published:2013 July 01 15:53 GMT
Port: Not available
CVE:CVE-2013-3401
Urgency:Unlikely Use
Credibility:Confirmed
Severity:Harassment
CVSS Base:4.3 CVSS Calculator
CVSS Version 2.0
CVSS Temporal:3.6
 
Version Summary:Cisco TelePresence TC Software contains a vulnerability that could allow an unauthenticated, remote attacker to cause an affected device to process unintended SIP NOTIFY messages. Updates are available.
 
 
Description
A vulnerability in the Session Initiation Protocol (SIP) implementation used in TC Software could allow an unauthenticated, remoteattacker to cause an endpoint to process unintended SIP NOTIFY messages.

The vulnerability is due to errors in the SIP implementation. An attacker could exploit this vulnerability to cause the generation of unintended NOTIFY messages that may affect the integrity of communications.

Cisco has confirmed this vulnerability in a security notice and software updates are available.
 
Warning Indicators
At the time this alert was first published, Cisco TelePresence TC Software versions 5.1.4 and prior were vulnerable. Later versions of Cisco TelePresence TC Software may also be affected.
 
IntelliShield Analysis
To exploit this vulnerability, an attacker would likely need access to trusted, internal networks in which the targeted device may reside. This access requirement decreases the likelihood of a successful exploit.

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 at the following link: CVE-2013-3401

Customers should refer to Cisco bug ID CSCud96080 for the most complete list of affected product versions.
 
Impact
An unauthenticated, remote attacker could exploit this vulnerability to cause the generation of unintended NOTIFY messages on a targeted device. Successful exploitation may affect the integrity of communications.
 
Technical Information
The vulnerability is due to unspecified errors within the SIP implementation used by the affected software.

An unauthenticated, remote attacker could exploit this vulnerability to cause an affected device to process unintended SIP NOTIFY messages. If successful, an attacker could have the ability to affect the integrity of communications processed by an affected device, which could be leveraged to conduct further attacks.
 
Safeguards
Administrators are advised to apply the appropriate updates.

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

Administrators are advised to allow only privileged users to access administration or management systems.

Administrators are advised to apply the appropriate updates.
 
Patches/Software
Cisco customers with active contracts should contact their Cisco support team for assistance in upgrading to a software version that includes fixes for this vulnerability. Cisco customers without contracts may contact the Cisco Technical Assistance Center at 1-800-553-2447 or 1-408-526-7209 or via email at tac@cisco.com for assistance.
 
Alert History
 
Initial Release


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

Primary Products:
CiscoCisco TelePresence TC Software 5.1 .4

Associated Products:
N/A




Alerts and bulletins on the Cisco Security Intelligence Operations Portal are highlighted by analysts in the Cisco Threat Operations Center and represent a subset of the comprehensive content that is available through Cisco Security IntelliShield Alert Manager Service. This customizable threat and vulnerability alert service provides security staff with access to timely, accurate, and credible information about threats and vulnerabilities that may affect their environment.


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.
Powered by  IntelliShield