CVE Database


Impact: Moderate
Public: 2011-09-06
Bugzilla: 736087: CVE-2011-3207 openssl: CRL verification vulnerability
IAVA: 2012-B-0056


The MITRE CVE dictionary describes this issue as:

crypto/x509/x509_vfy.c in OpenSSL 1.0.x before 1.0.0e does not initialize certain structure members, which makes it easier for remote attackers to bypass CRL validation by using a nextUpdate value corresponding to a time in the past.

Find out more about CVE-2011-3207 from the MITRE CVE dictionary and NIST NVD.


This issue did not affect the versions of openssl as shipped with Red Hat Enterprise Linux 4 and 5, openssl096b as shipped with Red Hat Enterprise Linux 4, openssl097a as shipped with Red Hat Enterprise Linux 5, or openssl098e as shipped with Red Hat Enterprise Linux 6.

CVSS v2 metrics

Base Score: 4.3
Base Metrics: AV:N/AC:M/Au:N/C:N/I:P/A:N
Access Vector: Network
Access Complexity: Medium
Authentication: None
Confidentiality Impact: None
Integrity Impact: Partial
Availability Impact: None

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
Red Hat Enterprise Linux version 6 (openssl) RHSA-2011:1409 October 26, 2011

External References

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.