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TITLE:
Unreal Engine Format String Vulnerabilities

SECUNIA ADVISORY ID:
SA31854

VERIFY ADVISORY:
http://secunia.com/advisories/31854/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
Unreal Engine
http://secunia.com/advisories/product/1042/

DESCRIPTION:
Luigi Auriemma has reported some vulnerabilities in the Unreal
Engine, which can potentially be exploited by malicious people to
compromise a user's system.

The vulnerabilities are caused due to format string errors when
processing the "CLASS" parameter of a "DLMGR" command, downloading a
malformed package (PKG), or when processing the "LEVEL" parameter of
a "WELCOME" command.

Successful exploitation may allow the execution of arbitrary code but
requires that the victim connects to a malicious server.

SOLUTION:
Use in trusted network environments only. Connect to trusted servers
only.

PROVIDED AND/OR DISCOVERED BY:
Luigi Auriemma

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

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