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[SA26007] FlashBB "phpbb_root_path" File Inclusion Vulnerability

From: Secunia Security Advisories (sec-advsecunia.com)
Date: Thu Jul 12 2007 - 17:32:07 CDT


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TITLE:
FlashBB "phpbb_root_path" File Inclusion Vulnerability

SECUNIA ADVISORY ID:
SA26007

VERIFY ADVISORY:
http://secunia.com/advisories/26007/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
From remote

SOFTWARE:
FlashBB 1.x
http://secunia.com/product/14753/

DESCRIPTION:
kw3rln has reported a vulnerability in FlashBB, which can be
exploited by malicious people to compromise a vulnerable system.

Input passed to the "phpbb_root_path" parameter in sendmsg.php is not
properly verified before being used to include files. This can be
exploited to include arbitrary files from local or remote resources.

Successful exploitation requires that "register_globals" is enabled.

The vulnerability is reported in version 1.1.7. Other versions may
also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
kw3rln

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/4169

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