CVE-2018-12367
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 2.0%
exploitation probability
2.0%top 20% of all CVEs
observed exploitation
nono source reports it
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.
References
https://bugzilla.mozilla.org/show_bug.cgi?id=1462891https://lists.debian.org/debian-lts-announce/2018/11/msg00011.htmlhttps://security.gentoo.org/glsa/201810-01https://security.gentoo.org/glsa/201811-13https://usn.ubuntu.com/3705-1/https://www.debian.org/security/2018/dsa-4295https://www.mozilla.org/security/advisories/mfsa2018-15/https://www.mozilla.org/security/advisories/mfsa2018-16/https://www.mozilla.org/security/advisories/mfsa2018-19/http://www.securityfocus.com/bid/104561http://www.securitytracker.com/id/1041193