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TITLE:
Crossday Discuz! Board PHP Code Execution Vulnerability

SECUNIA ADVISORY ID:
SA32731

VERIFY ADVISORY:
http://secunia.com/advisories/32731/

CRITICAL:
Moderately critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
Crossday Discuz! Board 7.x
http://secunia.com/advisories/product/20596/
Crossday Discuz! Board 6.x
http://secunia.com/advisories/product/20595/

DESCRIPTION:
80vul has reported a vulnerability in Crossday Discuz! Board, which
can be exploited by malicious users to compromise a vulnerable
system.

Input passed via the "creditsformula" parameter in wap/index.php is
not properly sanitised before being used. This can be exploited to
execute arbitrary PHP code on an affected system.

SOLUTION:
Edit the source code to ensure that input is properly sanitised.

PROVIDED AND/OR DISCOVERED BY:
80vul

ORIGINAL ADVISORY:
80vul:
http://www.80vul.com/dzvul/sodb/13/dz-exp-sodb-2008-13_php.htm

Discuz!:
http://www.discuz.net/archiver/?tid-1112426.html

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