Vulnerability Alert

Cisco Unified Customer Voice Portal Software XML Entity Expansion Vulnerability

 
Threat Type:CWE-200: Information Leak / Disclosure
IntelliShield ID:29159
Version:1
First Published:2013 May 08 16:05 GMT
Last Published:2013 May 08 16:05 GMT
Port: Not available
CVE:CVE-2013-1225
Urgency:Unlikely Use
Credibility:Confirmed
Severity:Harassment
CVSS Base:7.8 CVSS Calculator
CVSS Version 2.0
CVSS Temporal:6.4
 
Version Summary:Cisco Unified Customer Voice Portal Software contains a vulnerability that could allow an unauthenticated, remote attacker to view sensitive information. Updates are available.
 
 
Description
A vulnerability exists in Cisco Unified Customer Voice Portal (CVP) that could allow an unauthenticated, remote attacker to view unauthorized system files.

The vulnerability is due to a missing check for XML Entity Expansion. An attacker could exploit this vulnerability by sending a crafted request to the Resource Manager.

Cisco has confirmed the vulnerability in a security advisory and released software updates.
 
Warning Indicators
Cisco Unified CVP Software versions prior to 9.0.1 ES 11 are vulnerable.
 
IntelliShield Analysis
To exploit this vulnerability, the attacker may need access to a trusted, internal network in order to send crafted request to the targeted device. This access requirement reduces the probability of a successful exploit attempt.

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 advisory for bug ID CSCub38366 at the following link: cisco-sa-20130508-cvp
 
Impact
An unauthenticated, remote attacker to could exploit this vulnerability to view arbitrary system files on an affected device. Successful exploitation could be leveraged to conduct further attacks.
 
Technical Information
The vulnerability is due to a missing check for XML Entity Expansion by the affected software.

An unauthenticated, remote attacker could exploit this vulnerability by sending a crafted request to the Resource Manager component of the affected software on the targeted device. If successful, the attacker could have the ability to view arbitrary system files on the targeted device, which could be used to conduct further attacks.
 
Safeguards
Administrators are advised to apply the appropriate updates.

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

Administrators are advised to secure communication between Cisco Unified CVP devices using SSL. Guidance on securing communication between these devices can be located in the "Unified CVP security" section in the documentation at the following link: Configuration and Administration Guide for Cisco Unified CVP

The Cisco Applied Intelligence team has created the following companion document to guide administrators in identifying and mitigating attempts to exploit this vulnerability prior to applying updated software: Identifying and Mitigating Exploitation of the Multiple Vulnerabilities in Cisco Unified Customer Voice Portal Software

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 e-mail at tac@cisco.com.
 
Alert History
 
Initial Release


Product Sets
 
The security vulnerability applies to the following combinations of products.

Primary Products:
CiscoCisco Unified Customer Voice Portal (CVP) 7.0 base, (1) | 8.5 (1) | 9.0 (1)

Associated Products:
N/A




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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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