CVE-2018-12377
The MITRE CVE dictionary describes this issue as:
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.
Find out more about CVE-2018-12377 from the MITRE CVE dictionary dictionary and NIST NVD.
Statement
This flaw cannot be exploited through email in Thunderbird as scripting is disabled in this for email content. It may be possible to exploit through Feeds (Atom or RSS) or other browser-like contexts.
CVSS v3 metrics
| CVSS3 Base Score | 7.5 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| Attack Vector | Network |
| Attack Complexity | High |
| Privileges Required | None |
| User Interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity Impact | High |
| Availability Impact | High |
Red Hat Security Errata
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 6 (firefox) | RHSA-2018:2693 | 2018-09-12 |
| Red Hat Enterprise Linux 7 (firefox) | RHSA-2018:2692 | 2018-09-12 |
| Red Hat Enterprise Linux 7 (thunderbird) | RHSA-2018:3458 | 2018-11-05 |
| Red Hat Enterprise Linux 6 (thunderbird) | RHSA-2018:3403 | 2018-10-30 |
Acknowledgements
Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Nils as the original reporter.External References
CVE description copyright © 2017, The MITRE Corporation