4.3med

CVE-2018-12367

In the previous mitigations for Spectre, the resolution or precision of various methods was reduced to counteract the ability to measure pr…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
4.3
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.0%
percentile 81%
Public exploits
0
none known

Summary

In the previous mitigations for Spectre, the resolution or precision of various methods was reduced to counteract the ability to measure precise time intervals. In that work PerformanceNavigationTiming was not adjusted but it was found that it could be used as a precision timer. This vulnerability affects Thunderbird < 60, Firefox ESR < 60.1, and Firefox < 61.

Exploit prediction (EPSS)

1.98% probability of exploitation in the next 30 days, higher than 81% of all scored CVEs.

CVSS scores

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

Affected products

  • Mozilla Thunderbird
  • Mozilla Firefox ESR
  • Mozilla Firefox

Classification

Weakness
  • CWE-20 Improper Input Validation

References

  • security.gentoo.org /glsa/201810-01 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • mozilla.org /security/advisories/mfsa2018-15/ · x_refsource_CONFIRM, x_transferred
  • bugzilla.mozilla.org /show_bug.cgi?id=1462891 · x_refsource_CONFIRM, x_transferred
  • lists.debian.org /debian-lts-announce/2018/11/msg00011.html · mailing-list, x_refsource_MLIST, x_transferred
  • security.gentoo.org /glsa/201811-13 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • debian.org /security/2018/dsa-4295 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • mozilla.org /security/advisories/mfsa2018-16/ · x_refsource_CONFIRM, x_transferred
  • securitytracker.com /id/1041193 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • mozilla.org /security/advisories/mfsa2018-19/ · x_refsource_CONFIRM, x_transferred
  • usn.ubuntu.com /3705-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • securityfocus.com /bid/104561 · vdb-entry, x_refsource_BID, 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.