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.
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Subject: The Gemini Portal File Inclusion and Security Bypass
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