Mozilla Firefox before 39.0, Firefox ESR 38.x before 38.1, and...
Vulnerability Description
Mozilla Firefox before 39.0, Firefox ESR 38.x before 38.1, and Thunderbird before 38.1 do not enforce key pinning upon encountering an X.509 certificate problem that generates a user dialog, which allows user-assisted man-in-the-middle attackers to bypass intended access restrictions by triggering a (1) expired certificate or (2) mismatched hostname for a domain with pinning enabled.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00025.html
- http://rhn.redhat.com/errata/RHSA-2015-1455.html
- http://www.mozilla.org/security/announce/2015/mfsa2015-67.html
- https://security.gentoo.org/glsa/201512-10
- http://www.securityfocus.com/bid/75541
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1147497
- http://www.securitytracker.com/id/1032784
- http://rhn.redhat.com/errata/RHSA-2015-1207.html
- http://www.ubuntu.com/usn/USN-2656-1
- http://www.securitytracker.com/id/1032783
- http://www.ubuntu.com/usn/USN-2656-2
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
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Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.