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Vulnerability Alert

Cisco Secure Access Control System RMI Privilege Escalation Vulnerability

 
Threat Type:CWE-287: Authentication Issues
IntelliShield ID:32378
Version:1
First Published:2014 January 15 16:32 GMT
Last Published:2014 January 15 16:32 GMT
Port: Not available
CVE:CVE-2014-0649
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 gain elevated privileges. Updates are available.
 
 
Description
A vulnerability in the RMI interface of Cisco Secure ACS could allow an authenticated, remote attacker to perform actions as superadmin.

The vulnerability is due to insufficient authorization enforcement. An attacker could exploit this vulnerability by accessing the ACS via the RMI interface using an authenticated user account. An exploit could allow the attacker to perform superadmin functions via RMI.

Cisco has confirmed the 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 CSCud75180 at the following link: cisco-sa-20140115-csacs
 
Impact
An authenticated, remote attacker could exploit this vulnerability to gain elevated privileges on a targeted device, possibly resulting in a complete compromise.
 
Technical Information
The vulnerability is due to improper authentication checks on the remote management interface.

An authenticated, remote attacker could exploit this vulnerability by connecting to the management interface. The attacker could perform certain actions without proper authorization in an elevated security context. The attacker could use that access to completely compromise the device.
 
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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