A vulnerability has been reported in various Trend Micro products, which can be exploited by malicious, local users to gain escalated privileges.

Insufficient address space verification within the IOCTL handlers of the TmComm.sys device driver and insecure permissions on the \\.\TmComm DOS device interface can be exploited e.g. to access certain IOCTL handlers and overwrite arbitrary memory and execute code with kernel privileges.

The vulnerability reportedly affects the following products:
* Trend Micro PC-cillin Internet Security 2007
* Trend Micro Antivirus 2007
* Trend Micro Anti-Spyware for SMB 3.2 SP1
* Trend Micro Anti-Spyware for Consumer 3.5
* Trend Micro Anti-Spyware for Enterprise 3.0 SP2
* Client / Server / Messaging Security for SMB 3.5
* Damage Cleanup Services 3.2

Solution
Update the Anti-Rootkit Common Module (RCM) to version 1.600-1052.

Provided and/or discovered by
Discovered by Ruben Santamarta and reported via iDefense Labs.

Changelog
Further details available in Customer Area

Original Advisory
Trend Micro:
http://esupport.trendmicro.com/support/viewxml.do?ContentID=EN-1034432&id=EN-1034432

iDefense Labs:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=469

Other references
Further details available in Customer Area

Deep Links
Links available in Customer Area