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TITLE:
Dokeos "tablesort.lib.php" PHP Code Execution Vulnerability

SECUNIA ADVISORY ID:
SA34855

VERIFY ADVISORY:
http://secunia.com/advisories/34855/

DESCRIPTION:
A vulnerability has been reported in Dokeos, which can be exploited
by malicious people to compromise a vulnerable system.

Input passed to e.g. the "tablename_column" parameter in
whoisonline.php is not properly sanitised before being used in a
"create_function()" call in main/inc/lib/tablesort.lib.php. This can
be exploited to execute arbitrary PHP code.

The vulnerability is reported in version 1.5.* through version of
1.8.5.

SOLUTION:
Apply patches.

Dokeos version 1.8.4 (and 1.8.3):
http://www.dokeos.com/download/security/20090421/tablesort.lib.184

Dokeos version 1.8.5:
http://www.dokeos.com/download/security/20090421/tablesort.lib.185

PROVIDED AND/OR DISCOVERED BY:
EgiX

ORIGINAL ADVISORY:
Dokeos:
http://www.dokeos.com/wiki/index.php/Security#Dokeos_1.8

EgiX:
http://milw0rm.com/exploits/8499

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