TITLE:
vBulletin ImpEx Module "systempath" File Inclusion Vulnerability

SECUNIA ADVISORY ID:
SA19352

VERIFY ADVISORY:
http://secunia.com/advisories/19352/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
ImpEx 1.x (module for vBulletin)
http://secunia.com/product/8875/

DESCRIPTION:
ReZEN has reported a vulnerability in the ImpEx module for vBulletin,
which can be exploited by malicious people to compromise a vulnerable
system.

Input passed to the "systempath" parameter in ImpExData.php isn't
properly verified, before it is used to include files. This can be
exploited to include arbitrary files from external and local
resources.

The vulnerability has been reported in version 1.74. Other versions
may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
ReZEN, XOR Crew

ORIGINAL ADVISORY:
http://lists.grok.org.uk/pipermail/full-disclosure/2006-March/044318.html

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