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Insecure Library Loading
Highly critical

The Gemini Portal File Inclusion and Security Bypass

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Release Date:  2008-09-30    Last Update:  2009-08-28    Views:  4,453

Secunia Advisory SA32057

Where:

From remote

Impact:

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

Solution Status:

Unpatched

CVE Reference(s):

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

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: The Gemini Portal File Inclusion and Security Bypass

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