CVE-2018-12386
The MITRE CVE dictionary describes this issue as:
A vulnerability in register allocation in JavaScript can lead to type confusion, allowing for an arbitrary read and write. This leads to remote code execution inside the sandboxed content process when triggered. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.
Find out more about CVE-2018-12386 from the MITRE CVE dictionary dictionary and NIST NVD.
CVSS v3 metrics
| CVSS3 Base Score | 8.8 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| Attack Vector | Network |
| Attack Complexity | Low |
| 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 7 (firefox) | RHSA-2018:2884 | 2018-10-08 |
| Red Hat Enterprise Linux 6 (firefox) | RHSA-2018:2881 | 2018-10-08 |
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 7 | thunderbird | Under investigation |
| Red Hat Enterprise Linux 6 | thunderbird | Under investigation |
Acknowledgements
Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Niklas Baumstark, Samuel Groß, and Bruno Keith via Beyond Security's SecuriTeam Secure Disclosure program as the original reporters.External References
CVE description copyright © 2017, The MITRE Corporation