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TITLE:
Ninja Blog "cat" File Inclusion Vulnerability

SECUNIA ADVISORY ID:
SA33573

VERIFY ADVISORY:
https://secunia.com/advisories/33573/

CRITICAL:
Moderately critical

IMPACT:
Exposure of system information, Exposure of sensitive information

WHERE:
>From remote

SOFTWARE:
Ninja Blog 4.x
https://secunia.com/advisories/product/21063/

DESCRIPTION:
Danny Moules has discovered a vulnerability in Ninja Blog, which can
be exploited by malicious people to disclose sensitive information.

Input passed to the "cat" parameter in entries/index.php is not
properly verified before being used to include files. This can be
exploited to include arbitrary files from local resources via
directory traversal attacks and URL-encoded NULL bytes.

Successful exploitation of this vulnerability requires that
"magic_quotes_gpc" is disabled.

This vulnerability is confirmed in version 4.8. Other versions may
also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
Danny Moules

ORIGINAL ADVISORY:
https://www.push55.co.uk/index.php?s=ad&id=6
https://www.push55.co.uk/poclibrary/ninjadesignscouk-1.txt

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