NGS00051 Patch Notification: Cisco VPN Client Privilege Escalation

High Risk Vulnerability in Cisco VPN client (Windows 64 bit)

25 March 2011

Gavin Jones of NGS Secure has discovered a High risk vulnerability in the Cisco VPN client (Windows 64
bit).

Impact: Privilege Escalation

Cisco has released a patch that addresses the issue. The announcement of this patch can be found here:

http://www.cisco.com/en/US/products/products_security_advisory09186a00808a0554.shtml

Updated software can be downloaded from:

http://www.cisco.com/public/sw-center/sw-usingswc.shtml

NGS Secure is going to withhold details of this flaw for three months. This three month window will
allow users the time needed to apply the patch before the details are released to the general public.
This reflects the NGS Secure approach to responsible disclosure.

NGS Secure Research
http://www.ngssecure.com