CVE-2018-12367

Publication date 27 June 2018

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

4.3 · Medium

Score breakdown

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.

Status

Package Ubuntu Release Status
firefox 18.04 LTS bionic
Fixed 61.0+build3-0ubuntu0.18.04.1
17.10 artful
Fixed 61.0+build3-0ubuntu0.17.10.1
16.04 LTS xenial
Fixed 61.0+build3-0ubuntu0.16.04.2
14.04 LTS trusty
Fixed 61.0+build3-0ubuntu0.14.04.2

Severity score breakdown

Parameter Value
Base score 4.3 · Medium
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

References

Related Ubuntu Security Notices (USN)

Other references