CVE-2018-12367
4.3
MEDIUM
CVSS 3.1
EPSS 1.3%
Description
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.
How to fix CVE-2018-12367
To remediate CVE-2018-12367, upgrade the affected package to a fixed version below.
- —upgrade to 1:60.0-1 or later
Is CVE-2018-12367 being exploited?
Low — EPSS is 1.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:60.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |