Cisco ASA Appliance WebVPN DOM Wrapper Cross Site Scripting Vulnerability

Bugtraq ID:	35476
Class:	Input Validation Error
CVE:	CVE-2009-1201
Remote:	Yes
Local:	No
Published:	Jun 24 2009 12:00AM
Updated:	Jun 26 2009 01:59PM
Credit:	Trustwave's SpiderLabs
Vulnerable:	Cisco Adaptive Security Appliance 8.2.1 Cisco Adaptive Security Appliance 8.1.2 Cisco Adaptive Security Appliance 8.0(4) Cisco Adaptive Security Appliance 0
Not Vulnerable:	Cisco Adaptive Security Appliance 8.2.1 3 Cisco Adaptive Security Appliance 8.1.2.25 Cisco Adaptive Security Appliance 8.0.4.34

Cisco ASA Appliance WebVPN DOM Wrapper Cross Site Scripting Vulnerability

Cisco ASA (Adaptive Security Appliance) is prone to a cross-site scripting vulnerability because its Web VPN fails to properly sanitize user-supplied input.

An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site and to steal cookie-based authentication credentials.

This issue is documented by Cisco Bug ID CSCsy80694.

Cisco ASA 8.0.(4), 8.1.2, and 8.2.1 are vulnerable.

Cisco ASA Appliance WebVPN DOM Wrapper Cross Site Scripting Vulnerability

An attacker can exploit this issue by enticing an unsuspecting victim to follow a malicious HTTP request.

The following example is available:

• /data/vulnerabilities/exploits/35476.html

Cisco ASA Appliance WebVPN DOM Wrapper Cross Site Scripting Vulnerability

Solution:
Updates are available. Please see the references for details.

Cisco ASA Appliance WebVPN DOM Wrapper Cross Site Scripting Vulnerability

References:

• Cisco ASA 5500 Series Adaptive Security Appliances Homepage (Cisco)
  
• Trustwave's SpiderLabs Security Advisory TWSL2009-002 (Trustwave Advisories )
  
• Cisco ASA Adaptive Security Appliance Clientless SSL VPN DOM Cross-Site Scriptin (Cisco)
  
• Trustwave's SpiderLabs Security Advisory TWSL2009-002 (Trustwave)