[SA34427] Frog CMS Multiple Vulnerabilities

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TITLE:
Frog CMS Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA34427

VERIFY ADVISORY:
http://secunia.com/advisories/34427/

DESCRIPTION:
Some vulnerabilities and a security issue have been discovered in
Frog CMS, which can be exploited by malicious users to disclose
sensitive information or conduct script insertion attacks and by
malicious people to conduct cross-site request forgery attacks or
disclose sensitive information.

1) The application allows users to perform certain actions via HTTP
requests without performing any validity checks to verify the
requests. This can be exploited to e.g. create user accounts by
enticing a logged in administrator to visit a malicious web page

2) Input passed to the file_manager plugin
("admin/?/plugin/file_manager/view/") is not properly verified before
being used to open files. This can be exploited to open arbitrary
files from local resources via directory traversal attacks.

3) The application returns different responses depending on whether
or not a valid e-mail address is supplied during the password
recovery procedure. This can be exploited to enumerate valid e-mail
addresses.

4) Input passed via the "page[keywords]" and "page[description]"
parameters in index.php ("admin/?/page/edit/") is not properly
sanitised before being used. This can be exploited to insert
arbitrary HTML and script code, which will be executed in a user's
browser session in the context of an affected site when the malicious
page is viewed.

Successful exploitation of one or more of the vulnerabilities may
result in the execution of arbitrary PHP code, as users are able to
embed PHP in page sources.

The vulnerabilities are confirmed in version 0.9.4. Other versions
may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly verified and
sanitised.
Do not visit untrusted web sites while logged on to the application.
Restrict access to trusted users only.

PROVIDED AND/OR DISCOVERED BY:
Justin C. Klein Keane

ORIGINAL ADVISORY:
http://www.madirish.net/vulnerabilities/frog-cms

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