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List:       secunia-sec-adv
Subject:    [SA19044] CrossFire "oldsocketmode" Denial of Service Vulnerability
From:       Secunia Security Advisories <sec-adv () secunia ! com>
Date:       2006-02-28 10:02:05
Message-ID: 20060228100205.23922.qmail () secunia ! com
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TITLE:
CrossFire "oldsocketmode" Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA19044

VERIFY ADVISORY:
http://secunia.com/advisories/19044/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
From remote

SOFTWARE:
CrossFire 1.x
http://secunia.com/product/8396/

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

The vulnerability is caused due to an error within the handling of
the "oldsocketmode" option. This can be exploited by a malicious
client to crash the service by activating the "oldsocketmode" option
and then sending an overly large request.

The vulnerability has been reported in version 1.8.0 and prior.

SOLUTION:
The vulnerability has reportedly been fixed in version 1.9.0.
http://crossfire.real-time.com/download/index.html

PROVIDED AND/OR DISCOVERED BY:
Luigi Auriemma

ORIGINAL ADVISORY:
http://aluigi.altervista.org/poc.htm

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