CVE-2018-12377: Use After Free
First published: Wed Sep 05 2018(Updated: )
A use-after-free vulnerability can occur when 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. External Reference: <a href="https://www.mozilla.org/en-US/security/advisories/mfsa2018-21/#CVE-2018-12377">https://www.mozilla.org/en-US/security/advisories/mfsa2018-21/#CVE-2018-12377</a>
Credit: security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Red Hat Enterprise Linux Desktop | =6.0 | |
| Red Hat Enterprise Linux Desktop | =7.0 | |
| Red Hat Enterprise Linux Server | =6.0 | |
| Red Hat Enterprise Linux Server | =7.0 | |
| Red Hat Enterprise Linux Server | =7.6 | |
| Red Hat Enterprise Linux Server | =7.5 | |
| Red Hat Enterprise Linux Server | =7.6 | |
| Red Hat Enterprise Linux Server | =7.6 | |
| Red Hat Enterprise Linux Workstation | =6.0 | |
| Red Hat Enterprise Linux Workstation | =7.0 | |
| Debian | =8.0 | |
| Debian | =9.0 | |
| Ubuntu | =14.04 | |
| Ubuntu | =16.04 | |
| Ubuntu | =18.04 | |
| Firefox | <62.0 | |
| Firefox ESR | <60.2.0 | |
| Thunderbird | <60.2.1 | |
| Thunderbird | <60.2.1 | 60.2.1 |
| Firefox | <62 | 62 |
| Firefox ESR | <60.2 | 60.2 |
| debian/firefox | 135.0.1-1 | |
| debian/firefox-esr | 115.14.0esr-1~deb11u1 128.7.0esr-1~deb11u1 128.5.0esr-1~deb12u1 128.7.0esr-1~deb12u1 128.7.0esr-1 | |
| debian/thunderbird | 1:115.12.0-1~deb11u1 1:128.7.0esr-1~deb11u1 1:128.5.0esr-1~deb12u1 1:128.7.0esr-1~deb12u1 1:128.7.0esr-1 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1470260
- 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://www.debian.org/security/2018/dsa-4287
- https://access.redhat.com/errata/RHSA-2018:2692
- https://access.redhat.com/errata/RHSA-2018:2693
- https://usn.ubuntu.com/3761-1/
- https://usn.ubuntu.com/3793-1/
- http://www.securityfocus.com/bid/105280
- http://www.securitytracker.com/id/1041610
- https://security.gentoo.org/glsa/201810-01
- https://www.debian.org/security/2018/dsa-4327
- https://access.redhat.com/errata/RHSA-2018:3403
- https://access.redhat.com/errata/RHSA-2018:3458
- https://lists.debian.org/debian-lts-announce/2018/11/msg00011.html
- https://security.gentoo.org/glsa/201811-13
- https://launchpad.net/bugs/cve/CVE-2018-12377
- https://www.mozilla.org/en-US/security/advisories/mfsa2018-21/#CVE-2018-12377
- https://bugzilla.redhat.com/show_bug.cgi?id=1625526
- https://www.mozilla.org/en-US/security/advisories/mfsa2018-21/
- https://www.mozilla.org/en-US/security/advisories/mfsa2018-25/
- https://www.mozilla.org/en-US/security/advisories/mfsa2018-20/
- https://www.mozilla.org/en-US/security/advisories/mfsa2018-20/#CVE-2018-12378
- https://www.mozilla.org/en-US/security/advisories/mfsa2018-20/#CVE-2018-12377
- https://www.mozilla.org/en-US/security/advisories/mfsa2018-25/#CVE-2018-12377
- https://security-tracker.debian.org/tracker/CVE-2018-12377
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12377
- https://nvd.nist.gov/vuln/detail/CVE-2018-12377
- https://ubuntu.com/security/CVE-2018-12377
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2018-12377?
CVE-2018-12377 has been classified with a high severity due to its potential to cause crashes and allow exploit attempts.
How do I fix CVE-2018-12377?
To fix CVE-2018-12377, update affected Mozilla products like Firefox ESR or Thunderbird to the latest versions available.
Which software is affected by CVE-2018-12377?
CVE-2018-12377 affects Mozilla Firefox ESR, Thunderbird, and various versions of Red Hat Enterprise Linux and Debian.
What type of vulnerability is CVE-2018-12377?
CVE-2018-12377 is a use-after-free vulnerability related to driver timers during shutdown.
Can CVE-2018-12377 lead to remote code execution?
While CVE-2018-12377 primarily results in crashes, it is considered potentially exploitable, which raises concerns about remote code execution.
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