Vulnerability Description
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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Enterprise Linux Desktop | 6.0 |
| Redhat | Enterprise Linux Server | 6.0 |
| Redhat | Enterprise Linux Server Aus | 7.6 |
| Redhat | Enterprise Linux Server Eus | 7.5 |
| Redhat | Enterprise Linux Server Tus | 7.6 |
| Redhat | Enterprise Linux Workstation | 6.0 |
| Debian | Debian Linux | 8.0 |
| Canonical | Ubuntu Linux | 14.04 |
| Mozilla | Firefox | < 60.2.0 |
| Mozilla | Thunderbird | < 60.2.1 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/105280Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041610Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:2692Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:2693Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3403Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:3458Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1470260Issue 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/3761-1/Third Party Advisory
- https://usn.ubuntu.com/3793-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4287Third Party Advisory
- https://www.debian.org/security/2018/dsa-4327Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-20/Vendor Advisory
FAQ
What is CVE-2018-12377?
CVE-2018-12377 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 expl...
How severe is CVE-2018-12377?
CVE-2018-12377 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2018-12377?
Check the references section above for vendor advisories and patch information. Affected products include: Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus, Redhat Enterprise Linux Server Eus, Redhat Enterprise Linux Server Tus.