Description
The OpenID module in Drupal 6.x before 6.18, and the OpenID module 5.x before 5.x-1.4 for Drupal, violates the OpenID 2.0 protocol by not verifying the openid.return_to value, which allows remote attackers to bypass authentication by leveraging an assertion from an OpenID provider.
Metrics
CVSS 2.0 5.0/10
AV:N/AC:L/Au:N/C:N/I:P/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://drupal.org/node/880476Patch, Vendor Advisory
- http://drupal.org/node/880480Patch, Vendor Advisory
- http://marc.info/?l=oss-security&m=128418560705305&w=2
- http://marc.info/?l=oss-security&m=128440896914512&w=2
- http://www.debian.org/security/2010/dsa-2113
- http://www.securityfocus.com/bid/42388
- http://drupal.org/node/880476Patch, Vendor Advisory
- http://drupal.org/node/880480Patch, Vendor Advisory
- http://marc.info/?l=oss-security&m=128418560705305&w=2
- http://marc.info/?l=oss-security&m=128440896914512&w=2
- http://www.debian.org/security/2010/dsa-2113
- http://www.securityfocus.com/bid/42388
Timeline
- Published
- Sep 29, 2010
- Last modified
- Jun 16, 2026
- NVD status
- Modified