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Secunia Security Advisory 25140

Secunia Security Advisory 25140
Posted May 11, 2007
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Jean-Sebastien Guay-Leroux has reported a vulnerability in Avira AntiVir, which can be exploited by malicious people to cause a DoS (Denial of Service).

tags | advisory, denial of service
SHA-256 | da50ab86ce4c28ff3c0e18911b16adf6d6b0ea1eeb873f572992422da09f8f49

Secunia Security Advisory 25140

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TITLE:
Avira AntiVir Zoo Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA25140

VERIFY ADVISORY:
http://secunia.com/advisories/25140/

CRITICAL:
Less critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
Avira AntiVir Personal Edition Classic 7.x
http://secunia.com/product/14146/
Avira AntiVir Personal Edition Premium 7.x
http://secunia.com/product/14194/
Avira AntiVir Premium Security Suite 7.x
http://secunia.com/product/14193/
Avira AntiVir Server 6.x
http://secunia.com/product/14196/
Avira AntiVir UNIX MailGate 2.x
http://secunia.com/product/14197/
Avira AntiVir Workstation 7.x
http://secunia.com/product/14195/

DESCRIPTION:
Jean-Sebastien Guay-Leroux has reported a vulnerability in Avira
AntiVir, which can be exploited by malicious people to cause a DoS
(Denial of Service).

The vulnerability is caused due to an error in the handling of Zoo
archives. This can be exploited to cause an infinite loop resulting
in high CPU utilisation.

SOLUTION:
The vulnerability is reportedly fixed in avpack32.dll version 7.3.0.6
and in the "antivir" binary for Linux since March 22nd 2007.

PROVIDED AND/OR DISCOVERED BY:
Jean-Sebastien Guay-Leroux

ORIGINAL ADVISORY:
Jean-Sebastien Guay-Leroux:
http://www.guay-leroux.com/projects/zoo-infinite-advisory.txt

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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.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

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