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Red Hat: RHSA-2018:3005-01 Critical: Firefox Security Update

red hat
Calendar Grey October 24, 2018
Dist Redhat Esm H88
Essential Firefox upgrade for Red Hat Enterprise Linux addresses various security vulnerabilities and enhances functionality. Requires a system reboot.
An update for firefox is now available for Red Hat Enterprise Linux 7

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing the update, Firefox must be restarted for the changes to take effect.

Summary

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.
This update upgrades Firefox to version 60.3.0 ESR.
Security Fix(es):
* Mozilla: Memory safety bugs fixed in Firefox 63 and Firefox ESR 60.3 (CVE-2018-12390)
* Mozilla: Crash with nested event loops (CVE-2018-12392)
* Mozilla: Integer overflow during Unicode conversion while loading JavaScript (CVE-2018-12393)
* Mozilla: WebExtension bypass of domain restrictions through header rewriting (CVE-2018-12395)
* Mozilla: WebExtension content scripts can execute in disallowed contexts (CVE-2018-12396)
* Mozilla: WebExtension local file permission check bypass (CVE-2018-12397)
* Mozilla: Memory safety bugs fixed in Firefox ESR 60.3 (CVE-2018-12389)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Christian Holler, Bob Owen, Boris Zbarsky, Calixte Denizet, Jason Kratzer, Jed Davis, Taegeon Lee, Philipp, Ronald Crane, Raul Gurzau, Gary Kwong, Tyson Smith, Raymond Forbes, Bogdan Tara, Nils, r, Rob Wu, Andrew Swan, and Daniel Veditz as the original reporters.
Bug Fix(es):
* Previously, passwords saved in the Firefox browser and encrypted by a master password were erased when Firefox was exited. This update ensures that NSS files used to decrypt stored login data are handled correctly. As a result, the affected passwords are no longer lost after restarting Firefox. (BZ#1638082)

Topics%20covered

Topics Covered

security advisory red hat critical bug fix security fix firefox linux update

References

https://access.redhat.com/security/cve/CVE-2018-12389 https://access.redhat.com/security/cve/CVE-2018-12390 https://access.redhat.com/security/cve/CVE-2018-12392 https://access.redhat.com/security/cve/CVE-2018-12393 https://access.redhat.com/security/cve/CVE-2018-12395 https://access.redhat.com/security/cve/CVE-2018-12396 https://access.redhat.com/security/cve/CVE-2018-12397 https://access.redhat.com/security/updates/classification/#critical https://www.mozilla.org/en-US/security/advisories/mfsa2018-27/

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: firefox-60.3.0-1.el7_5.src.rpm
x86_64: firefox-60.3.0-1.el7_5.x86_64.rpm firefox-debuginfo-60.3.0-1.el7_5.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: firefox-60.3.0-1.el7_5.i686.rpm firefox-debuginfo-60.3.0-1.el7_5.i686.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: firefox-60.3.0-1.el7_5.src.rpm
ppc64: firefox-60.3.0-1.el7_5.ppc64.rpm firefox-debuginfo-60.3.0-1.el7_5.ppc64.rpm
ppc64le: firefox-60.3.0-1.el7_5.ppc64le.rpm firefox-debuginfo-60.3.0-1.el7_5.ppc64le.rpm
s390x: firefox-60.3.0-1.el7_5.s390x.rpm firefox-debuginfo-60.3.0-1.el7_5.s390x.rpm
x86_64: firefox-60.3.0-1.el7_5.x86_64.rpm firefox-debuginfo-60.3.0-1.el7_5.x86_64.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):
Source: firefox-60.3.0-1.el7_5.src.rpm
aarch64: firefox-60.3.0-1.el7_5.aarch64.rpm firefox-debuginfo-60.3.0-1.el7_5.aarch64.rpm
ppc64le: firefox-60.3.0-1.el7_5.ppc64le.rpm firefox-debuginfo-60.3.0-1.el7_5.ppc64le.rpm
s390x: firefox-60.3.0-1.el7_5.s390x.rpm firefox-debuginfo-60.3.0-1.el7_5.s390x.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
x86_64: firefox-60.3.0-1.el7_5.i686.rpm firefox-debuginfo-60.3.0-1.el7_5.i686.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: firefox-60.3.0-1.el7_5.src.rpm


Read the Full Advisory


Severity
critical
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2018:3005-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:3005
Issue date: 2018-10-24

Topic

An update for firefox is now available for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Critical. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory red hat critical bug fix security fix firefox linux update

Relevant Releases Architectures

Red Hat Enterprise Linux Client (v. 7) - x86_64

Red Hat Enterprise Linux Client Optional (v. 7) - x86_64

Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - x86_64

Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, ppc64le, s390x

Bugs Fixed

1638082 - After Firefox update saved passwords cleared on startup [7.7] [rhel-7.6.z]

1642179 - CVE-2018-12389 Mozilla: Memory safety bugs fixed in Firefox ESR 60.3

1642180 - CVE-2018-12390 Mozilla: Memory safety bugs fixed in Firefox 63 and Firefox ESR 60.3

1642182 - CVE-2018-12392 Mozilla: Crash with nested event loops

1642183 - CVE-2018-12393 Mozilla: Integer overflow during Unicode conversion while loading JavaScript

1642185 - CVE-2018-12395 Mozilla: WebExtension bypass of domain restrictions through header rewriting

1642186 - CVE-2018-12396 Mozilla: WebExtension content scripts can execute in disallowed contexts

1642187 - CVE-2018-12397 Mozilla: WebExtension local file permission check bypass

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