Vulnerability Note VU#146896
Gear Software CD DVD Filter driver privilege escalation vulnerability
The Gear Software CD DVD Filter driver contains a privilege escalation vulnerability, which can allow an attacker to gain SYSTEM privileges.
Gear Software provides a driver called CD DVD Filter, which is provided by GEARAspiWDM.sys. This driver is used by multiple CD/DVD recording applications. The Gear Software CD DVD Filter driver allows unlimited calls to IoAttachDevice from a user-space application. By making multiple calls to IoAttachDevice, an attacker may be able to exploit an integer overflow in the Microsoft Windows kernel to execute code with SYSTEM privileges.
An attacker may be able to execute code with SYSTEM privileges.
Apply an update
This issue is addressed in GEAR driver version 4.001.7, which provides GEARAspiWDM.sys version 220.127.116.11. This version of the CD DVD Filter driver limits the number of IoAttachDevice calls that can be made. Please check with your software vendor for updates that contains this fixed driver. If no update is available, the stand-alone driver from GEAR may be installed.
Systems Affected (Learn More)
|Vendor||Status||Date Notified||Date Updated|
|Apple Computer, Inc.||Affected||13 Mar 2008||07 Oct 2008|
|GEAR Software, Inc.||Affected||13 Mar 2008||07 Oct 2008|
|Symantec, Inc.||Affected||13 Mar 2008||07 Oct 2008|
CVSS Metrics (Learn More)
Thanks to Ruben Santamarta of Wintercore for reporting this vulnerability by way of the Microsoft Security Response Center.
This document was written by Will Dormann.
- CVE IDs: CVE-2008-3636
- Date Public: 07 Oct 2008
- Date First Published: 07 Oct 2008
- Date Last Updated: 07 Oct 2008
- Severity Metric: 5.67
- Document Revision: 13
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