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TITLE:
Trend Micro Products IOCTL Handler Privilege Escalation

SECUNIA ADVISORY ID:
SA24069

VERIFY ADVISORY:
http://secunia.com/advisories/24069/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

SOFTWARE:
Trend Micro PC-cillin Internet Security 2007
http://secunia.com/product/13436/
Trend Micro Client Server Messaging Security for SMB 3.x
http://secunia.com/product/13440/
Trend Micro Damage Cleanup Services 3.x
http://secunia.com/product/13441/
Trend Micro Anti-Spyware 3.x
http://secunia.com/product/13439/
Trend Micro Anti-Spyware for Enterprise 3.x
http://secunia.com/product/13438/
Trend Micro Anti-Spyware for SMB 3.x
http://secunia.com/product/13437/

DESCRIPTION:
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.

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

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