Multiple vulnerabilities have been reported in Oracle WebCenter Sites, which can be exploited by malicious, local users to manipulate data, by malicious users to bypass certain security restrictions and conduct script insertion and SQL injection attacks, and by malicious people to conduct cross-site scripting and request forgery attacks.

1) An error due to the application not validating certain requests can be exploited to e.g. change the email of other users accounts.

2) Input passed via the "flexassets:name" parameter when creating a new image or via the email address when editing a user profile 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 context of an affected site when the malicious data is being viewed.

3) Input passed to e.g. the "username" and "StartItem" parameters in cs/ContentServer is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.

4) 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. change the password if a logged-in user visits a malicious web site.

5) An unspecified error in the ImagePicker component can be exploited to manipulate certain data.

6) Input passed via the "selectedLocale" parameter to cs/ContentServer (when "manageprofile" is set to "true") is not properly sanitised before being used in a SQL query. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.

The vulnerabilities are reported in versions 6.1, 6.2, 6.3.x, 7, 7.0.1, 7.0.2, 7.0.3, 7.5, 7.6.1, 7.6.2, and 11.1.1.6.0.

Solution
Apply updates (please see the vendor's advisory for details).

Provided and/or discovered by
1-4, 6) F. Lukavsky, SEC Consult

It is currently unclear who reported vulnerability #5 as the Oracle Critical Patch Update for October 2012 only provides a bundled list of credits. This section will be updated when/if the original reporter provides more information.

Changelog
Further details available to Secunia VIM customers

Original Advisory
Oracle:
http://www.oracle.com/technetwork/topics/security/cpuoct2012-1515893.html#AppendixFMW
http://www.oracle.com/technetwork/topics/security/cpuoct2012verbose-1515934.html#FMW

SEC Consult:
http://archives.neohapsis.com/archives/fulldisclosure/2012-10/0117.html

Deep Links
Links available to Secunia VIM customers