Vulnerability in Mozilla Firefox
CVE-2016-9064
Add-on updates failed to verify that the add-on ID inside the signed package matched the ID of the add-on being updated. An attacker who could perform a man-in-the-middle attack on the user's connection to the update server and defeat the certificate pinning protection could provide a malicious signed add-on instead of a valid update. This vulnerability affects Firefox ESR < 45.5 and Firefox < 50.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.010 (61.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Mozilla Firefox — versions unspecified
- Mozilla Firefox Esr — versions unspecified
Weakness classification (CWE)
References
- bugzilla.mozilla.org/show_bug.cgi (Patch, Issue Tracking)
- www.securitytracker.com/id/1037298 (VDB Entry, Third Party Advisory, vdb-entry)
- security.gentoo.org/glsa/201701-15 (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/94336 (VDB Entry, Third Party Advisory, vdb-entry)
- rhn.redhat.com/errata/RHSA-2016-2780.html (vendor-advisory, Third Party Advisory)
- www.mozilla.org/security/advisories/mfsa2016-89/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2016-90/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2016-9064?
- CVE-2016-9064 is a medium-severity vulnerability in Mozilla Firefox, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2018-06-11.
- How severe is CVE-2016-9064?
- Medium severity. CVSS v3 base score is 5.9 out of 10.