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TITLE:
FOAFgen redir.php Disclosure of Sensitive Information

SECUNIA ADVISORY ID:
SA22376

VERIFY ADVISORY:
http://secunia.com/advisories/22376/

CRITICAL:
Moderately critical

IMPACT:
Exposure of sensitive information

WHERE:
>From remote

SOFTWARE:
FOAFgen 0.x
http://secunia.com/product/12272/

DESCRIPTION:
DarkFig has discovered a vulnerability in FOAFgen, which can be
exploited by malicious people to gain knowledge of sensitive
information.

Input passed to the "foaf" parameter in redir.php is not properly
sanitised before being used in a "readfile()" call. This can be
exploited by malicious people to disclose the content of arbitrary
files.

This can also be exploited as unauthenticated proxy, if the PHP
"allow_url_fopen" setting is enabled.

The vulnerability has been confirmed in version 0.3. Other versions
may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
DarkFig

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