[SA23346] b2evolution "inc_path" File Inclusion Vulnerability

TITLE:
b2evolution "inc_path" File Inclusion Vulnerability

SECUNIA ADVISORY ID:
SA23346

VERIFY ADVISORY:
http://secunia.com/advisories/23346/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
b2evolution 1.x
http://secunia.com/product/12768/

DESCRIPTION:
tarkus has discovered a vulnerability in b2evolution, which can be
exploited by malicious people to compromise vulnerable systems.

Input passed to the "inc_path" parameter in
inc/CONTROL/imports/import-mt.php is not properly verified before
being used to include files. This can be exploited to include
arbitrary files from local or external resources.

Successful exploitation requires that "register_globals" is enabled.

The vulnerability is confirmed in version 1.8.5. Prior versions may
also be affected.

SOLUTION:
Update to version 1.8.6.

PROVIDED AND/OR DISCOVERED BY:
tarkus

ORIGINAL ADVISORY:
https://tiifp.org/tarkus/advisories/b2evolution111106_01.txt

OTHER REFERENCES:
http://b2evolution.net/news/2006/11/30/security_alert_import_mt_php

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