Synopsis

Critical: firefox security update

Type/Severity

Security Advisory: Critical

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 impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

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.

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.

Affected Products

• Red Hat Enterprise Linux Server 6 x86_64
• Red Hat Enterprise Linux Server 6 i386
• Red Hat Enterprise Linux Workstation 6 x86_64
• Red Hat Enterprise Linux Workstation 6 i386
• Red Hat Enterprise Linux Desktop 6 x86_64
• Red Hat Enterprise Linux Desktop 6 i386
• Red Hat Enterprise Linux for IBM z Systems 6 s390x
• Red Hat Enterprise Linux for Power, big endian 6 ppc64
• Red Hat Enterprise Linux for Scientific Computing 6 x86_64

Fixes

• BZ - 1635451 - CVE-2018-12386 Mozilla: type confusion in JavaScript
• BZ - 1635452 - CVE-2018-12387 Mozilla: stack out-of-bounds read in Array.prototype.push

CVEs

• CVE-2018-12386
• CVE-2018-12387

References

• https://access.redhat.com/security/updates/classification/#critical
• https://www.mozilla.org/en-US/security/advisories/mfsa2018-24/

Red Hat Enterprise Linux Server 6

SRPM
firefox-60.2.2-1.el6.src.rpm	SHA-256: 4cc02c116811c30f48beb74bf05bac8be6ae2db89a61f3320df9683942e7868a
x86_64
firefox-60.2.2-1.el6.i686.rpm	SHA-256: c51a3e33db839df20d072e3ff5a61dfa7a15a2af011937bf84b02225eb3d7d59
firefox-60.2.2-1.el6.x86_64.rpm	SHA-256: 77183badff13f0e7b24e5f1bfb541755eddb0324936d3881d30652108690fb74
firefox-debuginfo-60.2.2-1.el6.i686.rpm	SHA-256: 7c0bebaaf220e8c1d87ae5d52e61bedb37cc927430fab33b2cba91227b62c1d3
firefox-debuginfo-60.2.2-1.el6.x86_64.rpm	SHA-256: 86d5ce07fab5a2765dae8a01835cad133bfcdbee530afab68c6446d20f10456c
i386
firefox-60.2.2-1.el6.i686.rpm	SHA-256: c51a3e33db839df20d072e3ff5a61dfa7a15a2af011937bf84b02225eb3d7d59
firefox-debuginfo-60.2.2-1.el6.i686.rpm	SHA-256: 7c0bebaaf220e8c1d87ae5d52e61bedb37cc927430fab33b2cba91227b62c1d3

Red Hat Enterprise Linux Workstation 6

SRPM
firefox-60.2.2-1.el6.src.rpm	SHA-256: 4cc02c116811c30f48beb74bf05bac8be6ae2db89a61f3320df9683942e7868a
x86_64
firefox-60.2.2-1.el6.i686.rpm	SHA-256: c51a3e33db839df20d072e3ff5a61dfa7a15a2af011937bf84b02225eb3d7d59
firefox-60.2.2-1.el6.x86_64.rpm	SHA-256: 77183badff13f0e7b24e5f1bfb541755eddb0324936d3881d30652108690fb74
firefox-debuginfo-60.2.2-1.el6.i686.rpm	SHA-256: 7c0bebaaf220e8c1d87ae5d52e61bedb37cc927430fab33b2cba91227b62c1d3
firefox-debuginfo-60.2.2-1.el6.x86_64.rpm	SHA-256: 86d5ce07fab5a2765dae8a01835cad133bfcdbee530afab68c6446d20f10456c
i386
firefox-60.2.2-1.el6.i686.rpm	SHA-256: c51a3e33db839df20d072e3ff5a61dfa7a15a2af011937bf84b02225eb3d7d59
firefox-debuginfo-60.2.2-1.el6.i686.rpm	SHA-256: 7c0bebaaf220e8c1d87ae5d52e61bedb37cc927430fab33b2cba91227b62c1d3

Red Hat Enterprise Linux Desktop 6

SRPM
firefox-60.2.2-1.el6.src.rpm	SHA-256: 4cc02c116811c30f48beb74bf05bac8be6ae2db89a61f3320df9683942e7868a
x86_64
firefox-60.2.2-1.el6.i686.rpm	SHA-256: c51a3e33db839df20d072e3ff5a61dfa7a15a2af011937bf84b02225eb3d7d59
firefox-60.2.2-1.el6.x86_64.rpm	SHA-256: 77183badff13f0e7b24e5f1bfb541755eddb0324936d3881d30652108690fb74
firefox-debuginfo-60.2.2-1.el6.i686.rpm	SHA-256: 7c0bebaaf220e8c1d87ae5d52e61bedb37cc927430fab33b2cba91227b62c1d3
firefox-debuginfo-60.2.2-1.el6.x86_64.rpm	SHA-256: 86d5ce07fab5a2765dae8a01835cad133bfcdbee530afab68c6446d20f10456c
i386
firefox-60.2.2-1.el6.i686.rpm	SHA-256: c51a3e33db839df20d072e3ff5a61dfa7a15a2af011937bf84b02225eb3d7d59
firefox-debuginfo-60.2.2-1.el6.i686.rpm	SHA-256: 7c0bebaaf220e8c1d87ae5d52e61bedb37cc927430fab33b2cba91227b62c1d3

Red Hat Enterprise Linux for IBM z Systems 6

SRPM
firefox-60.2.2-1.el6.src.rpm	SHA-256: 4cc02c116811c30f48beb74bf05bac8be6ae2db89a61f3320df9683942e7868a
s390x
firefox-60.2.2-1.el6.s390x.rpm	SHA-256: 974c249dbf0402fb71d0f3b920d0e773a481ab0022948afe74312d696dd9e75d
firefox-debuginfo-60.2.2-1.el6.s390x.rpm	SHA-256: 969aa7d94a6046ebff14adcbbd13615ce9230bf9828cf36242bbe953020a55f1

Red Hat Enterprise Linux for Power, big endian 6

SRPM
firefox-60.2.2-1.el6.src.rpm	SHA-256: 4cc02c116811c30f48beb74bf05bac8be6ae2db89a61f3320df9683942e7868a
ppc64
firefox-60.2.2-1.el6.ppc64.rpm	SHA-256: bd6cebb4a7c44d8bcaca8c6ee72abae22040332948ce2c3667a3cb61468d0a5b
firefox-debuginfo-60.2.2-1.el6.ppc64.rpm	SHA-256: 242c2b88872774e046164b4d0bfb61b672fefce246cec5fceba7e39f9bcefd8b

Red Hat Enterprise Linux for Scientific Computing 6

SRPM
firefox-60.2.2-1.el6.src.rpm	SHA-256: 4cc02c116811c30f48beb74bf05bac8be6ae2db89a61f3320df9683942e7868a
x86_64
firefox-60.2.2-1.el6.i686.rpm	SHA-256: c51a3e33db839df20d072e3ff5a61dfa7a15a2af011937bf84b02225eb3d7d59
firefox-60.2.2-1.el6.x86_64.rpm	SHA-256: 77183badff13f0e7b24e5f1bfb541755eddb0324936d3881d30652108690fb74
firefox-debuginfo-60.2.2-1.el6.i686.rpm	SHA-256: 7c0bebaaf220e8c1d87ae5d52e61bedb37cc927430fab33b2cba91227b62c1d3
firefox-debuginfo-60.2.2-1.el6.x86_64.rpm	SHA-256: 86d5ce07fab5a2765dae8a01835cad133bfcdbee530afab68c6446d20f10456c