Use After Free Affecting firefox package, versions <62.0+build2-0ubuntu0.16.04.3
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1604-FIREFOX-422382
- published25 Sept 2018
- disclosed18 Oct 2018
Introduced: 25 Sep 2018
CVE-2018-12377 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 firefox to version 62.0+build2-0ubuntu0.16.04.3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
A use-after-free vulnerability can occur when refresh driver timers are refreshed in some circumstances during shutdown when the timer is deleted while still in use. This results in a potentially exploitable crash. This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-12377
- https://www.debian.org/security/2018/dsa-4287
- https://www.debian.org/security/2018/dsa-4327
- https://lists.debian.org/debian-lts-announce/2018/11/msg00011.html
- https://security-tracker.debian.org/tracker/CVE-2018-12377
- https://security.gentoo.org/glsa/201810-01
- https://security.gentoo.org/glsa/201811-13
- https://www.mozilla.org/security/advisories/mfsa2018-20/
- https://www.mozilla.org/security/advisories/mfsa2018-21/
- https://www.mozilla.org/security/advisories/mfsa2018-25/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1470260
- https://access.redhat.com/errata/RHSA-2018:2692
- https://access.redhat.com/errata/RHSA-2018:2693
- https://access.redhat.com/errata/RHSA-2018:3403
- https://access.redhat.com/errata/RHSA-2018:3458
- http://www.securityfocus.com/bid/105280
- http://www.securitytracker.com/id/1041610
- https://usn.ubuntu.com/3761-1/
- https://usn.ubuntu.com/3793-1/