CVE-2018-12367
Medium
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.
SeverityMedium
CVSS4.3
Exploit probability—
Product
Mozilla Firefox
PublishedOct 18, 2018
First seenOct 18, 2018
How to fix
Update
- mozilla firefox60.1.0, 61.0 or later
- mozilla thunderbird60.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 60.1.0, v < 61.0 | 60.1.0, 61.0 |
| debian debian_linux | 8.0, 9.0 | — |
| canonical ubuntu_linux | 14.04, 16.04, 17.10, 18.04 | — |
| mozilla thunderbird | v < 60.0 | 60.0 |
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