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Secunia is proud to announce the availability of the Secunia Software
Inspector.

The Secunia Software Inspector is a free service that detects insecure
versions of software that you may have installed in your system. When
insecure versions are detected, the Secunia Software Inspector also
provides thorough guidelines for updating the software to the latest
secure version from the vendor.

Try it out online:
http://secunia.com/software_inspector/

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TITLE:
Trend Micro Products RAR Processing Denial Of Service

SECUNIA ADVISORY ID:
SA23321

VERIFY ADVISORY:
http://secunia.com/advisories/23321/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
Trend Micro OfficeScan Corporate Edition 7.x
http://secunia.com/product/5007/
Trend Micro PC-cillin Internet Security 2006 / 14.x
http://secunia.com/product/8828/
Trend Micro ServerProtect for Windows/NetWare 5.x
http://secunia.com/product/1153/

DESCRIPTION:
A vulnerability has been reported in various Trend Micro products,
which can be exploited by malicious people to cause a DoS (Denial of
Service).

The vulnerability is caused due to an error in the AntiVirus engine
when processing RAR archive with "head_size" and "pack_size" header
fields set to 0. This can be exploited to consume almost all CPU
resources when scanning a specially crafted RAR archive.

The vulnerability is reported in the following products (other
versions may also be affected):
* Trend Micro PC Cillin - Internet Security 2006
* Trend Micro Office Scan 7.3
* Trend Micro Server Protect 5.58

SOLUTION:
Update to the latest version of the scan engine.

PROVIDED AND/OR DISCOVERED BY:
Titon, BastardLabs
Damian Put
An anonymous researcher

ORIGINAL ADVISORY:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=439

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About:
This Advisory was delivered by Secunia as a free service to help
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http://secunia.com/about_secunia_advisories/


Please Note:
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Secunia NEVER sends attached files with advisories.
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