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TITLE:
The Gemini Portal File Inclusion and Security Bypass

SECUNIA ADVISORY ID:
SA32057

VERIFY ADVISORY:
http://secunia.com/advisories/32057/

CRITICAL:
Highly critical

IMPACT:
Security Bypass, Exposure of system information, Exposure of
sensitive information, System access

WHERE:
>From remote

SOFTWARE:
The Gemini Portal 4.x
http://secunia.com/advisories/product/19993/

DESCRIPTION:
Two vulnerabilities have been discovered in The Gemini Portal, which
can be exploited by malicious people to disclose sensitive
information, bypass certain security restrictions, and compromise a
vulnerable system.

1) Input passed to the "lang" parameter in page/forums/bottom.php is
not properly verified before being used to include files. This can be
exploited to include arbitrary files from local or external
resources.

Successful exploitation of this vulnerability requires that
"register_globals" is enabled.

2) A vulnerability is caused due to improper access restriction in
admin.php. This can be exploited to access the administration section
without valid administrator credentials, by setting the "user" cookie
to the administrator's username and setting the "name" parameter to
"users".

Successful exploitation of this vulnerability requires knowledge of
the administrator's username.

The vulnerabilities are confirmed in version 4.7 Pro edition. Other
versions may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly verified and
that proper access restriction is implemented.

PROVIDED AND/OR DISCOVERED BY:
1) ZoRLu
2) Pepelux

ORIGINAL ADVISORY:
1) http://milw0rm.com/exploits/6587
2) http://milw0rm.com/exploits/6584

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