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TITLE:
MultiTheftAuto Server "motd.txt" Modification and Denial of Service

SECUNIA ADVISORY ID:
SA16926

VERIFY ADVISORY:
http://secunia.com/advisories/16926/

CRITICAL:
Moderately critical

IMPACT:
Manipulation of data, DoS

WHERE:
>From remote

SOFTWARE:
MultiTheftAuto 0.x
http://secunia.com/product/5759/

DESCRIPTION:
Luigi Auriemma has reported two vulnerabilities in MultiTheftAuto
Server, which can be exploited by malicious people to modify certain
information or cause a DoS (Denial of Service).

1) An authentication error in admin command 40 can be exploited to
modify or delete the "motd.txt" file on the server, without requiring
knowledge of the password.

2) An error in handling admin command 40 can cause an endless loop
and can be exploited to crash a Windows server. 

Successful exploitation requires that remote administration is
enabled.

The vulnerabilities have been reported in version 0.5 patch 1. Other
versions may also be affected.

SOLUTION:
Run network game servers only when connected to trusted networks.

PROVIDED AND/OR DISCOVERED BY:
Luigi Auriemma

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

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About:
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