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Vulnerability Alert

Cisco TelePresence Management Suite SNMP Denial of Service Vulnerability

 
Threat Type:CWE-20: Input Validation
IntelliShield ID:29142
Version:1
First Published:2013 April 30 20:37 GMT
Last Published:2013 April 30 20:37 GMT
Port: Not available
CVE:CVE-2013-1229
Urgency:Unlikely Use
Credibility:Confirmed
Severity:Mild Damage
CVSS Base:5.0 CVSS Calculator
CVSS Version 2.0
CVSS Temporal:4.1
 
 
Version Summary:Cisco TelePresence Management Suite contains a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service condition. Updates are available.
 
 
Description
A vulnerability in the 64-bit SNMP server of Cisco TelePresence Management Suite (TMS) could allow an unauthenticated, remote attacker to terminate the TMSSNMPService.exe process.

The vulnerability is due to improper input validation. An attacker could exploit this vulnerability by sending SNMP traps to a 64-bit TMS server. An exploit could allow the attacker to cause a partial denial of service condition.

Cisco has confirmed the vulnerability in a security notice and software updates are available.
 
Warning Indicators
At the time this alert was first published, Cisco TMS versions 14.2 and prior were vulnerable. Later versions of Cisco TMS may also be affected.
 
IntelliShield Analysis
To exploit the vulnerability, an attacker would likely need access to trusted, internal networks to send crafted SNMP traps to the targeted system. This access requirement may reduce the likelihood of a successful attack.

Customers are advised to review the bug reports in the Vendor Announcements section for a current list of affected versions.

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 bug ID CSCue00028 at the following link: CVE-2013-1229
 
Impact
An unauthenticated, remote attacker could exploit this vulnerability to cause the TMSSNMPService.exe process running on an affected device to terminate unexpectedly, resulting in a denial of service (DoS) condition.
 
Technical Information
The vulnerability is due to improper validation of user-supplied input processed by the affected software.

An unauthenticated, remote attacker could exploit this vulnerability by sending crafted SNMP traps to an affected device. Processing the crafted SNMP traps could cause the TMSSNMPService.exe process running on the targeted device to crash, resulting in a DoS condition.
 
Safeguards
Administrators are advised to apply the appropriate updates.

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

It is critical to prevent unauthorized direct communication to network devices. Restrict network traffic destined for the network infrastructure to protect against reconnaissance and DoS attacks. For configuration details, consult Protecting Your Core: Infrastructure Protection Access Control Lists.

Administrators may consider using IP-based access control lists (ACLs) to allow only trusted systems to access the affected systems.

Administrators are advised to monitor affected systems.
 
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 e-mail 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 Management Suite (TMS) 14.1 Base, .1 | 14.2 Base

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.
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