From: Secunia Security Advisories (sec-advsecunia.com)
Date: Fri Sep 30 2005 - 07:38:07 CDT

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TITLE:
Squid NTLM Authentication Handling Denial of Service

SECUNIA ADVISORY ID:
SA16992

VERIFY ADVISORY:
http://secunia.com/advisories/16992/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
From remote

SOFTWARE:
Squid 2.x
http://secunia.com/product/310/

DESCRIPTION:
Mike Diggins has reported a vulnerability in Squid, which potentially
can be exploited by malicious people to cause a DoS (Denial of
Service).

The vulnerability is caused due to an error in handling changes in
the authentication scheme when NTLM authentication is used. This may
be exploited to crash the service.

SOLUTION:
Apply patch for 2.5.STABLE10:
http://www.squid-cache.org/Versions/v2/2.5/bugs/squid-2.5.STABLE10-NTLM-scheme_assert-3.patch

PROVIDED AND/OR DISCOVERED BY:
Mike Diggins

ORIGINAL ADVISORY:
http://www.squid-cache.org/bugs/show_bug.cgi?id=1391

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