CVE-2018-12376

Impact:
Critical
Public Date:
2018-09-05
CWE:
CWE-120
Bugzilla:
1625525: CVE-2018-12376 Mozilla: Memory safety bugs fixed in Firefox 62 and Firefox ESR 60.2

The MITRE CVE dictionary describes this issue as:

Memory safety bugs present in Firefox 61 and Firefox ESR 60.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 62, Firefox ESR < 60.2, and Thunderbird < 60.2.1.

Find out more about CVE-2018-12376 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 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 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 Alex Gaynor, Boris Zbarsky, Christoph Diehl, Christian Holler, Jason Kratzer, Jed Davis, Tyson Smith, Bogdan Tara, Karl Tomlinson, Mats Palmgren, Nika Layzell, and Ted Campbell as the original reporters.

External References

Last Modified

CVE description copyright © 2017, The MITRE Corporation