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Anti-Trojan Elite Atepmon.sys IOCTL Handling Vulnerability

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Release Date:  2008-11-10    Last Update:  2008-11-19    Views:  5,455

Secunia Advisory SA32669

Where:

Local system

Impact:

Privilege escalation, DoS

Solution Status:

Unpatched

CVE Reference(s):

Description


alex has discovered a vulnerability in Anti-Trojan Elite, which can be exploited by malicious, local users to cause a DoS (Denial of Service) or potentially gain escalated privileges.

The vulnerability is caused due to the Atepmon.sys driver improperly validating parameters received via IOCTL code 0x00222494. This can be exploited to cause a system crash or potentially execute arbitrary code in kernel space.

Successful exploitation requires that the Anti-Trojan Elite GUI is not running.

The vulnerability is confirmed in version 4.2.2. Other versions may also be affected.


Solution:
Restrict local access to trusted users only.

Provided and/or discovered by:
alex, NT Internals

Original Advisory:
http://www.ntinternals.org/ntiadv0802/ntiadv0802.html

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: Anti-Trojan Elite Atepmon.sys IOCTL Handling Vulnerability

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