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TITLE:
Halo: Combat Evolved Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA15501

VERIFY ADVISORY:
http://secunia.com/advisories/15501/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
Halo: Combat Evolved 1.x
http://secunia.com/product/5154/

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

The vulnerability is caused due to an error in the communication
handling. This can be exploited to cause a vulnerable service to
enter an infinite loop and consume a large amount of CPU resources by
sending a specially crafted UDP datagram to the server.

The vulnerability has been reported in version 1.06 and 1.00 (Custom
Edition), and prior.

SOLUTION:
The vulnerability will reportedly be fixed in the upcoming 1.07
version.

Host games on a trusted network only.

PROVIDED AND/OR DISCOVERED BY:
Luigi Auriemma

ORIGINAL ADVISORY:
http://aluigi.altervista.org/adv/haloloop-adv.txt

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