From: Secunia Security Advisories (sec-advsecunia.com)
Date: Mon Apr 19 2004 - 05:41:02 CDT

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TITLE:
KAME Racoon ISAKMP Header Length Field Denial of Service

SECUNIA ADVISORY ID:
SA11410

VERIFY ADVISORY:
http://secunia.com/advisories/11410/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
From remote

SOFTWARE:
KAME Racoon

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

The vulnerability is caused due to an error when allocating memory
for ISAKMP messages. It is possible to consume a large amount of
memory via an ISAKMP packet with an extremely large value in the
header's length field.

Successful exploitation may crash the service.

SOLUTION:
An update is available via CVS:
http://www.kame.net/dev/cvsweb2.cgi/kame/kame/kame/racoon/isakmp.c.diff?r1=1.180&r2=1.181

PROVIDED AND/OR DISCOVERED BY:
Reported by vendor.

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