Secunia

A vulnerability has been discovered in SonicWALL GLobal VPN Client, which potentially can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to a format-string error when processing a VPN configuration file. This can be exploited by e.g. tricking a user into importing a specially crafted VPN configuration file with format-string specifiers in the "Hostname" tag or the "name" attribute of the "Connection" tag.

Successful exploitation may allow execution of arbitrary code.

The vulnerability is confirmed in version 3.1.0.556 and also reported in version 4.0.0.810. Other versions may also be affected.

Solution
The vendor has reportedly issued version 4.0.0.830, which fixes the vulnerability.

Provided and/or discovered by
Discovered by lofi42 and reported via SEC Consult.

Changelog
Further details available in Customer Area

Original Advisory
SEC Consult (20071204-0):
http://www.sec-consult.com/305.html

Deep Links
Links available in Customer Area