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[SA16488] HAURI Anti-Virus ACE Archive Handling Buffer Overflow

From: Secunia Security Advisories (sec-advsecunia.com)
Date: Wed Aug 24 2005 - 03:36:25 CDT

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TITLE:
HAURI Anti-Virus ACE Archive Handling Buffer Overflow

SECUNIA ADVISORY ID:
SA16488

VERIFY ADVISORY:
http://secunia.com/advisories/16488/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
From remote

SOFTWARE:
HAURI LiveCall
http://secunia.com/product/5448/
ViRobot Advanced Server
http://secunia.com/product/5556/
ViRobot Expert 4.x
http://secunia.com/product/5557/
ViRobot Linux Server 2.x
http://secunia.com/product/2048/

DESCRIPTION:
Secunia Research has discovered a vulnerability in various HAURI
anti-virus products, which can be exploited by malicious people to
compromise a vulnerable system.

The vulnerability is caused due to a boundary error in the ACE
archive decompression library (vrAZace.dll) when extracting an
archive. This can be exploited to cause a stack-based buffer overflow
when scanning a malicious ACE archive containing a compressed file
with a filename longer than 272 characters.

Successful exploitation allows execution of arbitrary code, but
requires that compressed file scanning is enabled.

The vulnerability is related to:
SA14359

The vulnerability has been confirmed in the following products:
* ViRobot Expert 4.0
* ViRobot Advanced Server
* ViRobot Linux Server 2.0
* HAURI LiveCall

SOLUTION:
Apply patches.

ViRobot Linux Server 2.0:
http://www.globalhauri.com/html/download/down_unixpatch.html

ViRobot Expert 4.0 / ViRobot Advanced Server:
Update to the latest version via online update (vrazmain.dll version
5.8.22.137).

HAURI LiveCall:
Update to the latest version by visiting the vendor's LiveCall
website (vrazmain.dll version: 5.8.22.137).

PROVIDED AND/OR DISCOVERED BY:
Tan Chew Keong, Secunia Research.

ORIGINAL ADVISORY:
Secunia Research:
http://secunia.com/secunia_research/2005-33/advisory/

OTHER REFERENCES:
SA14359:
http://secunia.com/advisories/14359/

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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Please Note:
Secunia recommends that you verify all advisories you receive by
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Secunia NEVER sends attached files with advisories.
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