From: Secunia Security Advisories (sec-advsecunia.com)
Date: Thu May 10 2007 - 06:47:03 CDT

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TITLE:
AForum "CommonAbsDir" and "header" File Inclusion

SECUNIA ADVISORY ID:
SA25224

VERIFY ADVISORY:
http://secunia.com/advisories/25224/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
From remote

SOFTWARE:
AForum 1.x
http://secunia.com/product/14202/

DESCRIPTION:
Some vulnerabilities have been reported in AForum, which can be
exploited by malicious people to compromise a vulnerable system.

1) Input passed to the "CommonAbsDir" parameter in common/func.php is
not properly verified before being used to include files. This can be
exploited to include arbitrary files from local or remote resources.

2) Input passed to the "header" parameter in common/errormsg.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.
Other parameters and files may also be affected.

The vulnerabilities are confirmed in version 1.32. Other versions may
also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
1) ThE TiGeR
2) An anonymous person

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/3884

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