Secunia

David Matousek has discovered a vulnerability in BlackICE PC Protection, which can be exploited by malicious, local users to cause a DoS (Denial of Service).

The vulnerability is cause due to an error in RapDrv.sys in the handling of the object attribute parameter in the "NtOpenSection()" API hook. This can be exploited to crash a vulnerable system via the "NtOpenSection()" API where the third parameter is set to NULL.

The vulnerability has been confirmed in version 3.6.cpn and has also been reported in versions 3.6.cpj and 3.6.cpiE. Other versions may also be affected.

Solution
Grant only trusted users access to affected systems.

Provided and/or discovered by
David Matousek

Changelog
Further details available in Customer Area

Original Advisory
http://www.matousec.com/info/advisories/BlackICE-Insufficient-validation-of-arguments-of-NtOpenSection.php

Deep Links
Links available in Customer Area