5.9med

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.

Published 8 y ago · modified 4 mo ago · JSON

CVSS
5.9
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.0%
percentile 63%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

0.99% probability of exploitation in the next 30 days, higher than 63% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.9CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD2.04.3AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

  • Mozilla Firefox ESR
  • Mozilla Firefox

Classification

Weakness
  • CWE-295 Improper Certificate Validation

References

  • bugzilla.mozilla.org /show_bug.cgi?id=1303418 · x_refsource_CONFIRM, x_transferred
  • securitytracker.com /id/1037298 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • security.gentoo.org /glsa/201701-15 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • securityfocus.com /bid/94336 · vdb-entry, x_refsource_BID, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2780.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • mozilla.org /security/advisories/mfsa2016-89/ · x_refsource_CONFIRM, x_transferred
  • mozilla.org /security/advisories/mfsa2016-90/ · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.