Vulnerability Alert

Cisco Virtualization Experience Client Series 6000 Local Arbitrary Command Execution Vulnerability

 
Threat Type:CWE-20: Input Validation
IntelliShield ID:30777
Version:1
First Published:2013 September 12 23:20 GMT
Last Published:2013 September 12 23:20 GMT
Port: Not available
CVE:CVE-2013-5493
Urgency:Unlikely Use
Credibility:Confirmed
Severity:Moderate Damage
CVSS Base:6.8 CVSS Calculator
CVSS Version 2.0
CVSS Temporal:5.6
 
Version Summary:Cisco Virtualization Experience Client 6000 Series Firmware contains a vulnerability that could allow an authenticated, non-privileged, local attacker to execute arbitrary commands. Updates are available.
 
 
Description
A vulnerability in the diagnostic module of the Cisco Virtualization Experience Client 6000 Series could allow an authenticated, non-privileged, local attacker to execute arbitrary commands on the underlying operating system.

The vulnerability is due to lack of input validation in the diagnostic module running on the affected system. An attacker could exploit this vulnerability by injecting arbitrary commands.

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 Virtualization Experience Client 6000 Series Firmware version 9.0 and prior are vulnerable. Later releases of Cisco Virtualization Experience Client 6000 Series Firmware may also be vulnerable.
 
IntelliShield Analysis
To exploit this vulnerability, an attacker must authenticate and have local access to the targeted device. These systems typically reside on an internal, trusted network behind a firewall, decreasing 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-2013-5493

Customers are advised to consult Cisco bug ID CSCug68407 for the most complete list of affected product versions.
 
Impact
An authenticated, non-privileged, local attacker could exploit this vulnerability to execute arbitrary commands on the underlying operating system. Successful exploitation could be used to conduct further attacks.
 
Technical Information
The vulnerability is due to insufficient validation of user-supplied input processed by the diagnostic module running on the affected software.

An authenticated, non-privileged, local attacker could exploit this vulnerability by injecting arbitrary commands on the targeted device. Successful exploitation could be used to launch further attacks.
 
Safeguards
Administrators are advised to apply the appropriate updates.

Administrators are advised to allow only trusted users to access local systems.

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

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 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 Virtualization Experience Client 6000 Series Firmware 8.6 Base | 8.7 Base | 9.0 Base

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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