FW: Updated Version & Exploit - Privilege escalation in Nortel Contivity VPN Client V05_01.030 Aug 12 2005 02:49PM
Jeff Peadro (jeff peadro gmail com)
Updated to add additional version & exploit details. Reps to Crime Dog

Vulnerable Versions:
Nortel Contivity VPN Client V05_01.100

Good question


1. With the Contivity client open click go into "Group
Authentication Options"

2. Select "Challenge Response Token" options.

3. Click on the "Software Token Directory" browse button.

4. Change Files of type: to All Files, navigate to the system32
directory and locate cmd.exe. Right click cmd.exe and choose Open.

The result is a command prompt running under the context of the
LocalSystem account.

Discovered by Crime Dog thecrimedog[at]sbcglobal[dot]net

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