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Cisco Broadcast Access Center for Telco and Wireless Cross-Site Scripting Vulnerability

 
Threat Type:CWE-79: Cross-Site Scripting (XSS)
IntelliShield ID:34147
Version:1
First Published:2014 May 07 19:42 GMT
Last Published:2014 May 07 19:42 GMT
Port: Not available
CVE:CVE-2014-2191
BugTraq ID:67231
Urgency:Unlikely Use
Credibility:Confirmed
Severity:Mild Damage
CVSS Base:4.3 CVSS Calculator
CVSS Version 2.0
CVSS Temporal:3.6
 
 
Version Summary:Cisco Broadband Access Center for Telco and Wireless Software contains a vulnerability that could allow an unauthenticated, remote attacker to conduct cross-site scripting attacks. Updates are available.
 
 
Description
A vulnerability in the web framework of the Cisco Broadcast Access Center for Telco and Wireless (BAC-TW) could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the Cisco BAC-TW web interface.

The vulnerability is due to insufficient input validation of a parameter. An attacker could exploit this vulnerability by persuading a user to access a malicious link.

Cisco has confirmed the vulnerability in a security notice and released software updates.
 
Warning Indicators
At the time this alert was first published, Cisco BAC-TW Software versions 3.8(.0.1) and prior were vulnerable. Later releases of Cisco BAC-TW Software may also be vulnerable.
 
IntelliShield Analysis
To exploit the vulnerability, the attacker may provide a link that directs a user to a malicious site and use misleading language or instructions to persuade the user to follow the provided link.

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-2014-2191

Customers are advised to consult Cisco bug ID CSCun91113 for the most complete list of affected product versions.
 
Impact
An unauthenticated, remote attacker could exploit this vulnerability to execute arbitrary code in the user's browser session in the context of the affected site. This could allow the attacker to access sensitive browser-based information such as authentication cookies and recently submitted data.
 
Technical Information
The vulnerability is due to insufficient input validation of a parameter by the affected software.

An unauthenticated, remote attacker could exploit this vulnerability by persuading a user to access a malicious link. A successful exploit could allow the attacker the ability to execute arbitrary script code in the user's browser session and steal sensitive information, such as authentication cookies or recently submitted data.
 
Safeguards
Administrators are advised to apply the appropriate updates.

Users should verify that unsolicited links are safe to follow.

For additional information about XSS attacks and the methods used to exploit these vulnerabilities, see the Cisco Applied Mitigation Bulletin Understanding Cross-Site Scripting (XSS) Threat Vectors.

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 Broadband Access Center Telco Wireless Software 3.5 .0, .1 | 3.6 Base | 3.8 .0.1

Associated Products:
N/A



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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