Secunia Research: GEAR CD DVD Filter Driver GEARAspiWDM.sys IOCTL Handling Integer Overflow

====================================================================== 

                     Secunia Research 07/06/2012

    - GEAR CD DVD Filter Driver GEARAspiWDM.sys IOCTL Handling -
                         - Integer Overflow -

====================================================================== 
Table of Contents

Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10

====================================================================== 
1) Affected Software 

* GEAR CD DVD Filter Driver version 2.2.0.1.
* GEAR ISO Burn version 1.7.1.

NOTE: Other versions may also be affected.

====================================================================== 
2) Severity 

Rating: Less critical
Impact: Privilege escalation
Where:  Local system

====================================================================== 
3) Vendor's Description of Software 

"GEAR licenses our CD/DVD recording 'drivers' to many companies to
add CD/DVD recording capabilities to their software products. This
driver interface provides the connection between their software
application and the user's operating system and hardware."

Product Link:
http://www.gearsoftware.com/support/drivers.php

====================================================================== 
4) Description of Vulnerability

Secunia Research has discovered a vulnerability in GEAR CD DVD Filter
Driver, which can be exploited by malicious, local users to gain
escalated privileges.

The vulnerability is caused by an integer overflow error when 
allocating memory within the 0x00222000 IOCTL functionality. This can
be exploited to cause a non-paged pool buffer overflow and corrupt
kernel memory.

Successful exploitation may allow execution of arbitrary code with
escalated privileges.

====================================================================== 
5) Solution 

Restrict access to trusted users only. The vendor plans to release a
patch when Windows 8 is officially released.

====================================================================== 
6) Time Table 

24/05/2011 - Requested security contact.
25/05/2011 - Vendor response.
25/05/2011 - Details provided to the vendor.
26/05/2011 - Vendor acknowledgment.
09/02/2012 - Vendor notifies regarding patch release plans.
07/06/2012 - Public disclosure.

====================================================================== 
7) Credits 

Discovered by Dmitriy Pletnev, Secunia Research.

====================================================================== 
8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2012-0280 for the vulnerability.

====================================================================== 
9) About Secunia

Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:

http://secunia.com/advisories/business_solutions/

Secunia also provides a publicly accessible and comprehensive advisory
database as a service to the security community and private 
individuals, who are interested in or concerned about IT-security.

http://secunia.com/advisories/

Secunia believes that it is important to support the community and to
do active vulnerability research in order to aid improving the 
security and reliability of software in general:

http://secunia.com/secunia_research/

Secunia regularly hires new skilled team members. Check the URL below
to see currently vacant positions:

http://secunia.com/corporate/jobs/

Secunia offers a FREE mailing list called Secunia Security Advisories:

http://secunia.com/advisories/mailing_lists/

====================================================================== 
10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2012-23/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/

======================================================================