Public Date:
851931: CVE-2012-3976 Mozilla: Incorrect site SSL certificate data display (MFSA 2012-69)

The MITRE CVE dictionary describes this issue as:

Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, and SeaMonkey before 2.12 do not properly handle onLocationChange events during navigation between different https sites, which allows remote attackers to spoof the X.509 certificate information in the address bar via a crafted web page.

Find out more about CVE-2012-3976 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 4.3
Base Metrics AV:N/AC:M/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact None
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 5 (firefox) RHSA-2012:1210 2012-08-29
Red Hat Enterprise Linux version 6 (firefox) RHSA-2012:1210 2012-08-29

Affected Packages State

Platform Package State
Red Hat Enterprise Linux version 5 xulrunner 10.0.7-2.el5_8 Fixed
Red Hat Enterprise Linux version 6 xulrunner 10.0.7-1.el6_3 Fixed


Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges security Security researcher Mark Poticha as the original reporter.