TITLE:
Apache "mod_dav" LOCK Request Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA12527

VERIFY ADVISORY:
http://secunia.com/advisories/12527/

CRITICAL:
Less critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
Apache 2.0.x
http://secunia.com/product/73/

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

The vulnerability is caused due to an error in the "mod_dav" module.
A malicious client can exploit this to crash an httpd child process
by sending a particular sequence of LOCK requests.

Successful exploitation requires that the malicious client is allowed
to use the LOCK method and the threaded process model is used.

SOLUTION:
The vulnerability has been fixed in version 2.0.51-dev.

PROVIDED AND/OR DISCOVERED BY:
Reported by vendor.

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