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TITLE:
BloggIT admin.php Logon Bypass Vulnerability

SECUNIA ADVISORY ID:
SA20499

VERIFY ADVISORY:
http://secunia.com/advisories/20499/

CRITICAL:
Highly critical

IMPACT:
Security Bypass, System access

WHERE:
>From remote

SOFTWARE:
BloggIT 1.x
http://secunia.com/product/10395/

DESCRIPTION:
Federico Fazzi has discovered a vulnerability in BloggIT, which can
be exploited by malicious people to bypass certain security
restrictions and compromise a vulnerable system.

The vulnerability is caused due to the incorrect termination of the
admin.php script if the user has not logged on. This can be exploited
to gain access to the administration functionalities without requiring
a valid logon.

Note: This can be further exploited to upload and execute PHP files
in the "files" directory.

The vulnerability has been confirmed in version 1.01.  Other versions
may also be affected.

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

PROVIDED AND/OR DISCOVERED BY:
Federico Fazzi

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