Vulnerability CVE-2016-5284


Published: 2016-09-22

Description:
Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 rely on unintended expiration dates for Preloaded Public Key Pinning, which allows man-in-the-middle attackers to spoof add-on updates by leveraging possession of an X.509 server certificate for addons.mozilla.org signed by an arbitrary built-in Certification Authority.

Type:

CWE-20

(Improper Input Validation)

Vendor: Mozilla
Product: Firefox 
Version: 48.0.2;
Product: Firefox esr 
Version:
45.3.0
45.2.0
45.1.1
45.0.2
45.0.1
45.0

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None

 References:
http://rhn.redhat.com/errata/RHSA-2016-1912.html
http://seclists.org/dailydave/2016/q3/51
http://www.debian.org/security/2016/dsa-3674
http://www.mozilla.org/security/announce/2016/mfsa2016-85.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
http://www.securityfocus.com/bid/93049
http://www.securitytracker.com/id/1036852
https://blog.mozilla.org/security/2016/09/16/update-on-add-on-pinning-vulnerability/
https://bugzilla.mozilla.org/show_bug.cgi?id=1303127
https://hackernoon.com/tor-browser-exposed-anti-privacy-implantation-at-mass-scale-bd68e9eb1e95
https://security.gentoo.org/glsa/201701-15
https://www.mozilla.org/security/advisories/mfsa2016-86/
https://www.mozilla.org/security/advisories/mfsa2016-88/

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