National Vulnerability Database

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    Vulnerabilities Detail

CVE-2016-5284 Detail

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.

Source:  MITRE
Description Last Modified:  06/11/2018

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.4 HIGH
Vector: AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N (V3 legend)
Impact Score: 4.0
Exploitability Score: 2.8

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): High
Integrity (I): None
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6

Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://rhn.redhat.com/errata/RHSA-2016-1912.html
http://seclists.org/dailydave/2016/q3/51 Third Party Advisory
http://www.debian.org/security/2016/dsa-3674
http://www.mozilla.org/security/announce/2016/mfsa2016-85.html Release Notes
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/ Third Party Advisory VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1303127 Issue Tracking Third Party Advisory VDB Entry
https://hackernoon.com/tor-browser-exposed-anti-privacy-implantation-at-mass-scale-bd68e9eb1e95 Technical Description
https://security.gentoo.org/glsa/201701-15
https://www.mozilla.org/security/advisories/mfsa2016-86/
https://www.mozilla.org/security/advisories/mfsa2016-88/

Technical Details

Vulnerability Type (View All)

Change History

10 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-5284
NVD Published Date:
09/22/2016
NVD Last Modified:
10/30/2018