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TITLE:
hyperguard "Content-Length" Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA35645

VERIFY ADVISORY:
http://secunia.com/advisories/35645/

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

The vulnerability is caused due to an error in the processing of HTTP
requests, which can be exploited to exhaust system memory potentially
causing a crash by sending specially crafted HTTP requests containing
overly large values in the "Content-Length" header.

The vulnerability is reported in the Apache web server module in
hyperguard prior to versions 3.1.1-11637, 3.0.3-11636, and
2.5.5-11635.

SOLUTION:
Update to version 3.1.1-11637, 3.0.3-11636, or 2.5.5-11635 or later.

PROVIDED AND/OR DISCOVERED BY:
Michael Kirchner, Wolfgang Neudorfer, and Lukas Nothdurfter (Team
h4ck!nb3rg)

ORIGINAL ADVISORY:
http://www.h4ck1nb3rg.at/wafs/advisory_artofdefence_hyperguard_200907.txt

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