Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian | Debian Linux | 8.0 |
| Canonical | Ubuntu Linux | 14.04 |
| Mozilla | Firefox | < 60.1.0 |
| Mozilla | Thunderbird | < 60.0 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/104561Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041193Third Party AdvisoryVDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1462891Issue TrackingPermissions RequiredVendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00011.htmlMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/201810-01Third Party Advisory
- https://security.gentoo.org/glsa/201811-13Third Party Advisory
- https://usn.ubuntu.com/3705-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4295Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-15/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-16/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-19/Vendor Advisory
- http://www.securityfocus.com/bid/104561Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041193Third Party AdvisoryVDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1462891Issue TrackingPermissions RequiredVendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00011.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2018-12367?
CVE-2018-12367 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 PerformanceNavigationTimin...
How severe is CVE-2018-12367?
CVE-2018-12367 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-12367?
Check the references section above for vendor advisories and patch information. Affected products include: Debian Debian Linux, Canonical Ubuntu Linux, Mozilla Firefox, Mozilla Thunderbird.