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TITLE:
snircd "send_user_mode" Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA29481

VERIFY ADVISORY:
http://secunia.com/advisories/29481/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
snircd 1.x
http://secunia.com/product/18007/

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

The vulnerability is caused due to an error when processing arguments
in the "send_user_mode" function and can be exploited to crash the
daemon via a specially crafted "/mode" command.

The vulnerability is reported in 1.3.4. Other versions may also be
affected.

SOLUTION:
Update to the latest version.

PROVIDED AND/OR DISCOVERED BY:
Chris Porter

ORIGINAL ADVISORY:
http://hg.quakenet.org/snircd/rev/2da2b881d9f5
http://lists.grok.org.uk/pipermail/full-disclosure/2008-March/060906.html

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About:
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