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TITLE:
DokuWiki Spell Checker Code Execution Vulnerability

SECUNIA ADVISORY ID:
SA20429

VERIFY ADVISORY:
http://secunia.com/advisories/20429/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
DokuWiki
http://secunia.com/product/4910/

DESCRIPTION:
Stefan Esser has reported a vulnerability in DokuWiki, which can be
exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to an error in the spell checker when
processing links embedded in text being spell checked. This can be
exploited to inject and execute arbitrary PHP code.

SOLUTION:
Update to the latest version (still dated 2006-03-09, but contains
the fix).
http://www.splitbrain.org/projects/dokuwiki

PROVIDED AND/OR DISCOVERED BY:
Stefan Esser

ORIGINAL ADVISORY:
http://bugs.splitbrain.org/index.php?do=details&id=823
http://www.hardened-php.net/advisory_042006.119.html

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