TITLE:
CodeGrrl Products "siteurl" File Inclusion Vulnerability

SECUNIA ADVISORY ID:
SA17542

VERIFY ADVISORY:
http://secunia.com/advisories/17542/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
PHPCalendar 1.x
http://secunia.com/product/6095/
PHPClique 1.x
http://secunia.com/product/6096/
PHPCurrently 2.x
http://secunia.com/product/6098/
PHPFanBase 2.x
http://secunia.com/product/6097/
PHPQuotes 1.x
http://secunia.com/product/6099/

DESCRIPTION:
Robin Verton has discovered a vulnerability in various CodeGrrl
products, which can be exploited by malicious people to compromise a
vulnerable system.

Input passed to the "siteurl" parameter in "protection.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.

Successful exploitation requires that "register_globals" is enabled.

The vulnerability has been confirmed in PHPCalendar 1.0, PHPClique
1.0, PHPCurrently 2.0, PHPFanBase 2.1, and PHPQuotes 1.0. Other
versions may also be affected.

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

Set "register_globals" to "Off".

PROVIDED AND/OR DISCOVERED BY:
Robin Verton

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