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Vulnerability Alert

Cisco Virtualization Experience Client Privilege Escalation Vulnerability

 
Threat Type:CWE-264: Permissions, Privileges, and Access Control
IntelliShield ID:29976
Version:1
First Published:2013 July 10 13:57 GMT
Last Published:2013 July 10 13:57 GMT
Port: Not available
CVE:CVE-2013-3408
Urgency:Unlikely Use
Credibility:Confirmed
Severity:Moderate Damage
CVSS Base:6.8 CVSS Calculator
CVSS Version 2.0
CVSS Temporal:5.6
Related Resources:
View related Security Notice
 
 
Version Summary:Cisco Virtualization Experience Client contains a vulnerability that could allow an authenticated, local attacker to elevate privileges on a targeted device. Updates are available.
 
 
Description
A vulnerability in the function handling the operating system permissions of Cisco Virtualization Experience Client 6000 Series could allow an authenticated, local attacker to take full control of the affected system.

The vulnerability is due to improper implementation of the permissions for the underlying operating system. An attacker could exploit this vulnerability by logging in to the system and executing a series of commands that could lead to escalated privileges. An exploit could allow the unprivileged attacker to escalate privileges and take full control of the affected system.

Cisco has confirmed the vulnerability in a security notice and has released software updates.
 
Warning Indicators
At the time this alert was first published, Cisco Virtualization Experience Client 6000 Series Firmware versions 8.6, 8.7, 9.0, and 9.2 were vulnerable. Other versions of Cisco Virtualization Experience Client 6000 Series Firmware may also be affected.
 
IntelliShield Analysis
To exploit this vulnerability, an attacker requires authenticated access to the targeted system and the ability to authenticate to a privileged security context. Authenticated access may require the attacker to access trusted, internal networks. These access requirements could limit the likelihood of a successful exploit.
 
Vendor Announcements
Cisco has released a security notice at the following link: CVE-2013-3408

Customers should refer to Cisco bug ID CSCuc31764 for the most complete list of affected product versions.
 
Impact
An authenticated, local attacker could exploit this vulnerability to execute arbitrary commands on a targeted device with elevated privileges and completely compromise the targeted device.
 
Technical Information
The vulnerability is due to improper implementation of access controls in the underlying operating system.

An authenticated, local attacker could exploit this vulnerability by first authenticating to a privileged security context and running a series of commands to elevate privileges. Elevating privileges could allow the attacker execute arbitrary commands and completely compromise the targeted device.
 
Safeguards
Administrators are advised to apply the appropriate updates.

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

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 can obtain updates through the Software Center. Cisco customers without contracts can obtain upgrades by contacting the Cisco Technical Assistance Center at 1-800-553-2447 or 1-408-526-7209 or via email at tac@cisco.com
 
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 | 9.2 Base, .1

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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