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Vulnerability Alert

Cisco Secure Access Control System Operating System Command Injection Vulnerability

 
Threat Type:CWE-20: Input Validation
IntelliShield ID:32380
Version:1
First Published:2014 January 15 16:35 GMT
Last Published:2014 January 15 16:35 GMT
Port: Not available
CVE:CVE-2014-0650
Urgency:Unlikely Use
Credibility:Confirmed
Severity:Moderate Damage
CVSS Base:8.5 CVSS Calculator
CVSS Version 2.0
CVSS Temporal:7.0
Related Resources:
View related Security Advisory
 
 
Version Summary:Cisco Secure Access Control System contains a vulnerability that could allow an authenticated, remote attacker to execute arbitrary commands. Updates are available.
 
 
Description
A vulnerability in the web interface of Cisco Secure ACS could allow an authenticated, remote attacker to inject operating system-level commands.

The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by injecting operating system commands into a specific location of the ACS web interface. An exploit could allow the attacker to perform operating system-level commands without shell access, impacting the confidentiality, integrity, or availability of the system.

Cisco has confirmed this vulnerability in a security advisory and released software updates.
 
Warning Indicators
Cisco Secure Access Control System software versions prior to 5.5 are affected.
 
IntelliShield Analysis
To exploit the vulnerability, an attacker must provide valid authentication credentials. The access requirement limits the source of attacks to current users, reducing the potential for exploitation.
 
Vendor Announcements
Cisco has released a security advisory for Cisco bug ID CSCue65962 at the following link: cisco-sa-20140115-csacs
 
Impact
An authenticated, remote attacker could exploit this vulnerability to execute arbitrary commands with elevated privileges on the device, possibly resulting in a complete compromise.
 
Technical Information
The vulnerability is due to improper input validation on fields in the device web management interface.

An authenticated, remote attacker could exploit this vulnerability by inputting malicious values into fields in the web management interface. The processing of the values could cause the device to execute arbitrary commands with elevated privileges.
 
Safeguards
Administrators are advised to apply the appropriate updates.

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

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 at the following link: Cisco. 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 Secure Access Control System (ACS) 5.2 Base, .0.26, .0.26.1, .0.26.2, .0.26.3, .0.26.4, .0.26.5, .0.26.6, .0.26.7, .0.26.8, .0.26.9, .0.26.10, .0.26.11 | 5.3 Base, .0.6, .0.40, .0.40.1, .0.40.2, .0.40.3, .0.40.4, .0.40.5, .0.40.6, .0.40.7 | 5.4 Base, .0.46.1, .0.46.2, .0.46.3

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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