CVEvulnerability

CVE-2016-5284

7.4 HIGH Published 2016-09-22 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2016-09-22
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
7.4 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:P/I:N/A:N
Weaknesses
CWE-20

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.

Affected configurations

• mozilla firefox (<= 48.0.2) • mozilla firefox 45.0 • mozilla firefox 45.0.1 • mozilla firefox 45.0.2 • mozilla firefox 45.1.1 • mozilla firefox 45.2.0 • mozilla firefox 45.3.0

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References