A security issue and a vulnerability have been reported in the Embedded Field module for Drupal, which can be exploited by malicious users to conduct script insertion attacks and to compromise a vulnerable system.
1) Input passed via the audio or video path 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.
Successful exploitation of this vulnerability requires that the site has a content type with an embedded media field allowing users to upload custom thumbnails and the user has access to create or edit the content type.
2) The security issue is caused due to improper validation of uploaded files' extensions. This can be exploited to execute arbitrary PHP code by uploading a PHP file with e.g. a ".phtml" file extension.
Successful exploitation of this vulnerability requires that the site has a content type with an embedded media field that has the custom audio or video provider file enabled, and that the user has access to create or edit the content type.
The vulnerabilities are reported in versions prior to 5.x-1.12, 6.x-1.26, and 6.x-2.4.
Solution: Update to version 5.x-1.12 or later, 6.x-1.26 or later, or 6.x-2.4 or later.
Provided and/or discovered by: The vendor credits Justin Klein Keane.
Original Advisory: SA-CONTRIB-2010-109:
Justin Klein Keane:
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Subject: Drupal Embedded Media Field Module Multiple Vulnerabilities
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