2007-07-20 - n.runs-SA-2007.016 - NOD32 Antivirus CAB parsing Arbitrary Code Execution Advisory

[security () nruns com]

n.runs AG                                          
http://www.nruns.com/                                 security(at)nruns.com
n.runs-SA-2007.016                                           20-Jul-2007
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Vendor:                ESET, http://eset.com
Affected Products:      ESET NOD32 Antivirus
Vulnerability:         Arbitrary Code Execution (remote) 
Risk:                   HIGH

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Vendor communication:

  2007/05/07            Initial notification to ESET 
  2007/05/07            ESET Response
  2007/05/07            PoC files sent to ESET
  2007/05/10            ESET validate the vulnerability
  2007/05/24            ESET made available the updates
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Overview:
 
Founded in 1992, ESET is a global provider of security software for enterprises and consumers. ESET’s award-winning, 
antivirus software system, NOD32, provides real-time protection from known and unknown viruses, spyware, rootkits and 
other malware. NOD32 offers the smallest, fastest and most advanced protection available, with more Virus Bulletin 100% 
Awards than any other antivirus product. ESET was named to Deloitte’s Technology Fast 500 five years running, and has 
an extensive partner network, including corporations like Canon, Dell and Microsoft. ESET has offices in Bratislava, 
SK; Bristol, U.K.; Buenos Aires, AR; Prague, CZ; San Diego, USA; and is represented worldwide in more than 100 
countries. 
The broad product platform protects Windows, Linux, Novell and MS DOS machines.

Description:

A remotely exploitable vulnerability has been found in the file parsing engine.

In detail, the following flaw was determined:

- Heap Corruption through Race Condition in .CAB file parsing

Impact:

This problem can lead to remote arbitrary code execution if an attacker carefully crafts a file that exploits the 
aforementioned vulnerability. The vulnerability is present in NOD32 Antivirus software versions prior to the update 
v.2.2289.

Solution:

The vulnerability was reported on May 07 and an update has been issued on May 24 to solve this vulnerability through 
the regular update mechanism.

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Credit: 
Bugs found by Sergio Alvarez of n.runs AG. 
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References: 
http://www.eset.com/joomla/index.php?option=com_content&task=view&id=3469&Itemid=26

This Advisory and Upcoming Advisories:
http://www.nruns.com/security_advisory.php
http://www.nruns.com/parsing-engines-advisories.php
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