RULE(RULE ID:1905708)

Rule General Information
Release Date: 2011-06-03
Rule Name: Cisco AnyConnect VPN Secure Mobility Client Cisco.AnyConnect.VPNWeb.1 Arbitrary Code Execution Vulnerability (CVE-2011-2039)
Severity:
CVE ID:
Rule Protection Details
Description: The helper application in Cisco AnyConnect Secure Mobility Client (formerly AnyConnect VPN Client) before 2.3.185 on Windows, and on Windows Mobile, downloads a client executable file (vpndownloader.exe) without verifying its authenticity, which allows remote attackers to execute arbitrary code via the url property to a certain ActiveX control in vpnweb.ocx, aka Bug ID CSCsy00904.
Impact: An attacker can execute arbitrary code via a successful exploit in the context of the vulnerable software.
Affected OS: Windows, Linux, FreeBSD, Solaris, Other Unix, Network Device, Mac OS, iOS, Android, Others
Reference: SecurityTrackerID:1025591
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=909
http://securityreason.com/securityalert/8272
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b80123.shtml
Solutions
The vendors have released upgrade patches to fix vulnerabilities, please visit:
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b80123.shtml