CVE-2018-12367
firefox: In the previous mitigations for Spectre, the resolution or precision of various methods was reduced to counteract the...
CVE-2018-12367 is fixed in 4 products on 1 platform, first by firefox 61.0+build3-0ubuntu0.18.04.1, released June 26, 2018. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0199
80th percentile
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| firefox · Ubuntu 18.04.6 LTS (bionic) | 61.0+build3-0ubuntu0.18.04.1 | firefox 61.0+build3-0ubuntu0.18.04.1 | Jun 26, 2018 |
| firefox-globalmenu · Ubuntu 18.04.6 LTS (bionic) | 61.0+build3-0ubuntu0.18.04.1 | firefox-globalmenu 61.0+build3-0ubuntu0.18.04.1 | Jun 26, 2018 |
| firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) | 61.0+build3-0ubuntu0.18.04.1 | firefox-mozsymbols 61.0+build3-0ubuntu0.18.04.1 | Jun 26, 2018 |
| firefox-testsuite · Ubuntu 18.04.6 LTS (bionic) | 61.0+build3-0ubuntu0.18.04.1 | firefox-testsuite 61.0+build3-0ubuntu0.18.04.1 | Jun 26, 2018 |