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Drupal Multiple Cross-Site Scripting and Request Forgery Vulnerabilities

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Release Date:  2007-07-27    Last Update:  2007-07-31    Views:  15,040

Secunia Advisory SA26224

Where:

From remote

Impact:

Cross Site Scripting

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Some vulnerabilities have been reported in Drupal, which can be exploited by malicious users to conduct cross-site scripting attacks and by malicious people to conduct cross-site request forgery attacks.

1) Drupal does not correctly use the Forms API and allows users to perform certain actions via HTTP requests without performing any validity checks to verify the request. This can be exploited e.g. to delete comments or content revisions and disable menu items by enticing a logged-in user to visit a malicious site.

The vulnerabilities are reported in Drupal 5.x prior to 5.2.

2) Certain server variables are 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.

Successful exploitation requires "administer content types" privileges.

The vulnerabilities are reported in Drupal 4.7.x prior to 4.7.7 and Drupal 5.x prior to Drupal 5.2


Solution:
Update to version 4.7.7 and 5.2 or apply patches.

Provided and/or discovered by:
The vendor credits:
1) Konstantin Käfer (menu issue) and the Drupal security team.
2) David Caylor (PHP_SELF issue) and Karthik (Content type naming issues).

Original Advisory:
1) http://drupal.org/files/sa-2007-017/advisory.txt
2) http://drupal.org/files/sa-2007-018/advisory.txt

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: Drupal Multiple Cross-Site Scripting and Request Forgery Vulnerabilities

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