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Red Hat 6: RHSA-2018-2881-01 Critical: Firefox Security Flaw

red hat
Calendar Grey October 8, 2018
Dist Redhat Esm H88
Canonical issued an urgent Chromium patch for Ubuntu 20.04, targeting major security flaws.
An update for firefox is now available for Red Hat Enterprise Linux 6

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 60.2.2 ESR.
Security Fix(es):
* Mozilla: type confusion in JavaScript (CVE-2018-12386)
* Mozilla: stack out-of-bounds read in Array.prototype.push (CVE-2018-12387)
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. The upstream acknowledges Niklas Baumstark, Samuel Groß, and Bruno Keith as the original reporters, via Beyond Security's SecuriTeam Secure Disclosure program.

Topics%20covered

Topics Covered

security advisory Red Hat critical security fix patch firefox browser

References

https://access.redhat.com/security/cve/CVE-2018-12386 https://access.redhat.com/security/cve/CVE-2018-12387 https://access.redhat.com/security/updates/classification/#critical https://www.mozilla.org/en-US/security/advisories/mfsa2018-24/

Package List

Red Hat Enterprise Linux Desktop (v. 6):
Source: firefox-60.2.2-1.el6.src.rpm
i386: firefox-60.2.2-1.el6.i686.rpm firefox-debuginfo-60.2.2-1.el6.i686.rpm
x86_64: firefox-60.2.2-1.el6.x86_64.rpm firefox-debuginfo-60.2.2-1.el6.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
x86_64: firefox-60.2.2-1.el6.i686.rpm firefox-debuginfo-60.2.2-1.el6.i686.rpm
Red Hat Enterprise Linux HPC Node Optional (v. 6):
Source: firefox-60.2.2-1.el6.src.rpm
x86_64: firefox-60.2.2-1.el6.i686.rpm firefox-60.2.2-1.el6.x86_64.rpm firefox-debuginfo-60.2.2-1.el6.i686.rpm firefox-debuginfo-60.2.2-1.el6.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source: firefox-60.2.2-1.el6.src.rpm
i386: firefox-60.2.2-1.el6.i686.rpm firefox-debuginfo-60.2.2-1.el6.i686.rpm
ppc64: firefox-60.2.2-1.el6.ppc64.rpm firefox-debuginfo-60.2.2-1.el6.ppc64.rpm
s390x: firefox-60.2.2-1.el6.s390x.rpm firefox-debuginfo-60.2.2-1.el6.s390x.rpm
x86_64: firefox-60.2.2-1.el6.x86_64.rpm firefox-debuginfo-60.2.2-1.el6.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6):
x86_64: firefox-60.2.2-1.el6.i686.rpm firefox-debuginfo-60.2.2-1.el6.i686.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source: firefox-60.2.2-1.el6.src.rpm
i386: firefox-60.2.2-1.el6.i686.rpm firefox-debuginfo-60.2.2-1.el6.i686.rpm
x86_64:

Read the Full Advisory


Severity
critical
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2018:2881-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:2881
Issue date: 2018-10-08

Topic

An update for firefox is now available for Red Hat Enterprise Linux 6.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 security fix patch firefox browser

Relevant Releases Architectures

Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64

Red Hat Enterprise Linux Desktop Optional (v. 6) - x86_64

Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64

Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 6) - x86_64

Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64

Red Hat Enterprise Linux Workstation Optional (v. 6) - x86_64

Bugs Fixed

1635451 - CVE-2018-12386 Mozilla: type confusion in JavaScript

1635452 - CVE-2018-12387 Mozilla: stack out-of-bounds read in Array.prototype.push

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