SA-CORE-2012-001 – Drupal core multiple vulnerabilities

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Advisory ID: DRUPAL-SA-CORE-2012-001
Project: Drupal core
Version: 6.x, 7.x
Date: 2012-February-01
Security risk: Moderately critical
Exploitable from: Remote
Vulnerability: Access bypass, Cross Site Request Forgery, Multiple vulnerabilities
Cross Site Request Forgery vulnerability in Aggregator module
CVE: CVE-2012-0826
An XSRF vulnerability can force an aggregator feed to update. Since some services are rate-limited (e.g. Twitter limits requests to 150 per hour) this could lead to a denial of service.
This issue affects Drupal 6.x and 7.x.
OpenID not verifying signed attributes in SREG and AX
CVE: CVE-2012-0825
A group of security researchers identified a flaw in how some OpenID relying parties implement Attribute Exchange (AX). Not verifying that attributes being passed through AX have been signed could allow an attacker to modify users’ information.
This issue affects Drupal 6.x and 7.x.
Access bypass in File module
CVE: CVE-2012-0827
When using private files in combination with certain field access modules, the File module will allow users to download the file even if they do not have access to view the field it was attached to.
This issue affects Drupal 7.x only.
Versions affected
Drupal 6.x core prior to 6.23.
Drupal 7.x core prior to 7.11.
Install the latest version:
If you use Drupal 6.x upgrade to 6.23
If you use Drupal 7.x upgrade to 7.11
See also the Drupal core project page.
Reported by
The Aggregator module CSRF vulnerability was reported by Dylan Tack of the Drupal Security Team.
The OpenID vulnerability was reported by Rui Wang, Shuo Chen and Xiao Feng Wang.
The File module access bypass issue was reported by David Rothstein of the Drupal Security Team, and by Sascha Grossenbacher.
Fixed by
Aggregator CSRF issue fixed by Dave Reid of the Drupal Security Team
OpenID issue fixed by Vojtech Kusy and Christian Schmidt
The File module access bypass issue was fixed by David Rothstein of the Drupal Security Team, Sascha Grossenbacher, and Derek Wright of the Drupal Security Team.
Contact and More Information
The Drupal security team can be reached at security at or via the contact form at
Learn more about the Drupal Security team and their policies, writing secure code for Drupal, and securing your site.Drupal version: Drupal 6.xDrupal 7.x
Drupal Developer

Posted on February 1, 2012 in Austin Web Designer, Drupal Developer, Drupal Development Austin, Drupal in Austin, Expert Drupal Development, Web Design Services

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