Vulnerability CVE-2010-3685
Published: 2010-09-29   Modified: 2012-02-13

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 checking for reuse of openid.response_nonce values, which allows remote attackers to bypass authentication by leveraging an assertion from an OpenID provider.

Type:

CWE-287

 (Improper Authentication)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Peter wolanin -> Openid 
Drupal -> Drupal 

 References:
http://drupal.org/node/880480
http://drupal.org/node/880476
http://www.securityfocus.com/bid/42388
http://www.debian.org/security/2010/dsa-2113
http://marc.info/?l=oss-security&m=128440896914512&w=2
http://marc.info/?l=oss-security&m=128418560705305&w=2
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