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Insecure Library Loading
Not critical

AMD Catalyst Software Suite DSM Dynamic Driver Vista Kernel Protection Bypass

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Release Date:  2007-08-15    Views:  11,963

Secunia Advisory SA26448

Where:

Local system

Impact:

Security Bypass

Solution Status:

Vendor Patch

CVE Reference(s):

Description


A weakness has been reported in AMD Catalyst Software Suite, which can be exploited by malicious, local users to bypass certain security restrictions.

The weakness is caused due to an input validation error within the digitally signed ATI DSM Dynamic Driver (atdcm64a.sys). This can be exploited to e.g. load arbitrary unsigned drivers on Windows Vista.

The weakness is reported in atdcm64a.sys version 3.0.502.0 included in the AMD Catalyst Software Suite. Other versions may also be affected.


Solution:
Update to AMD Catalyst Software Suite version 7.8.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Joanna Rutkowska and Alexander Tereshkin, Invisible Things Lab

Original Advisory:
Invisible Things Lab:
http://bluepillproject.org/stuff/IsGameOver.ppt

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: AMD Catalyst Software Suite DSM Dynamic Driver Vista Kernel Protection Bypass

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