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 60.3.0 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.

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 - 1642179 - CVE-2018-12389 Mozilla: Memory safety bugs fixed in Firefox ESR 60.3
• BZ - 1642180 - CVE-2018-12390 Mozilla: Memory safety bugs fixed in Firefox 63 and Firefox ESR 60.3
• BZ - 1642182 - CVE-2018-12392 Mozilla: Crash with nested event loops
• BZ - 1642183 - CVE-2018-12393 Mozilla: Integer overflow during Unicode conversion while loading JavaScript
• BZ - 1642185 - CVE-2018-12395 Mozilla: WebExtension bypass of domain restrictions through header rewriting
• BZ - 1642186 - CVE-2018-12396 Mozilla: WebExtension content scripts can execute in disallowed contexts
• BZ - 1642187 - CVE-2018-12397 Mozilla: WebExtension local file permission check bypass

CVEs

• CVE-2018-12389
• CVE-2018-12390
• CVE-2018-12392
• CVE-2018-12393
• CVE-2018-12395
• CVE-2018-12396
• CVE-2018-12397

References

• https://access.redhat.com/security/updates/classification/#critical
• https://www.mozilla.org/en-US/security/advisories/mfsa2018-27/

Red Hat Enterprise Linux Server 6

SRPM
firefox-60.3.0-1.el6.src.rpm	SHA-256: 37966af815cefb12639456662690685166bf03f9c3969a92b1a8dc34836e2187
x86_64
firefox-60.3.0-1.el6.i686.rpm	SHA-256: 3e579da3ca58b36262230f3b2c72739befea797520d15f39f51e0958f95783e3
firefox-60.3.0-1.el6.x86_64.rpm	SHA-256: 975f8ce938adbd776898f1e1133c0541d08d1e8f799022981357f93ca312c584
firefox-debuginfo-60.3.0-1.el6.i686.rpm	SHA-256: c7409af0b29ed372bfcc410b996d7840112da759f8d8e8cfbb3478104eb41cdd
firefox-debuginfo-60.3.0-1.el6.x86_64.rpm	SHA-256: f107260930b047a6b458ab14a00ea960d40fa5d1ea77c4e5caa4055fa98f00b0
i386
firefox-60.3.0-1.el6.i686.rpm	SHA-256: 3e579da3ca58b36262230f3b2c72739befea797520d15f39f51e0958f95783e3
firefox-debuginfo-60.3.0-1.el6.i686.rpm	SHA-256: c7409af0b29ed372bfcc410b996d7840112da759f8d8e8cfbb3478104eb41cdd

Red Hat Enterprise Linux Workstation 6

SRPM
firefox-60.3.0-1.el6.src.rpm	SHA-256: 37966af815cefb12639456662690685166bf03f9c3969a92b1a8dc34836e2187
x86_64
firefox-60.3.0-1.el6.i686.rpm	SHA-256: 3e579da3ca58b36262230f3b2c72739befea797520d15f39f51e0958f95783e3
firefox-60.3.0-1.el6.x86_64.rpm	SHA-256: 975f8ce938adbd776898f1e1133c0541d08d1e8f799022981357f93ca312c584
firefox-debuginfo-60.3.0-1.el6.i686.rpm	SHA-256: c7409af0b29ed372bfcc410b996d7840112da759f8d8e8cfbb3478104eb41cdd
firefox-debuginfo-60.3.0-1.el6.x86_64.rpm	SHA-256: f107260930b047a6b458ab14a00ea960d40fa5d1ea77c4e5caa4055fa98f00b0
i386
firefox-60.3.0-1.el6.i686.rpm	SHA-256: 3e579da3ca58b36262230f3b2c72739befea797520d15f39f51e0958f95783e3
firefox-debuginfo-60.3.0-1.el6.i686.rpm	SHA-256: c7409af0b29ed372bfcc410b996d7840112da759f8d8e8cfbb3478104eb41cdd

Red Hat Enterprise Linux Desktop 6

SRPM
firefox-60.3.0-1.el6.src.rpm	SHA-256: 37966af815cefb12639456662690685166bf03f9c3969a92b1a8dc34836e2187
x86_64
firefox-60.3.0-1.el6.i686.rpm	SHA-256: 3e579da3ca58b36262230f3b2c72739befea797520d15f39f51e0958f95783e3
firefox-60.3.0-1.el6.x86_64.rpm	SHA-256: 975f8ce938adbd776898f1e1133c0541d08d1e8f799022981357f93ca312c584
firefox-debuginfo-60.3.0-1.el6.i686.rpm	SHA-256: c7409af0b29ed372bfcc410b996d7840112da759f8d8e8cfbb3478104eb41cdd
firefox-debuginfo-60.3.0-1.el6.x86_64.rpm	SHA-256: f107260930b047a6b458ab14a00ea960d40fa5d1ea77c4e5caa4055fa98f00b0
i386
firefox-60.3.0-1.el6.i686.rpm	SHA-256: 3e579da3ca58b36262230f3b2c72739befea797520d15f39f51e0958f95783e3
firefox-debuginfo-60.3.0-1.el6.i686.rpm	SHA-256: c7409af0b29ed372bfcc410b996d7840112da759f8d8e8cfbb3478104eb41cdd

Red Hat Enterprise Linux for IBM z Systems 6

SRPM
firefox-60.3.0-1.el6.src.rpm	SHA-256: 37966af815cefb12639456662690685166bf03f9c3969a92b1a8dc34836e2187
s390x
firefox-60.3.0-1.el6.s390x.rpm	SHA-256: 29159441c60e09de9da3ebc3cd56d61f45c93a5422f030abfc274a7ea2f942d9
firefox-debuginfo-60.3.0-1.el6.s390x.rpm	SHA-256: b6771ca207ed1beec7507799fcba26c3bc82f2cfab1a99665dd2a28297370dc7

Red Hat Enterprise Linux for Power, big endian 6

SRPM
firefox-60.3.0-1.el6.src.rpm	SHA-256: 37966af815cefb12639456662690685166bf03f9c3969a92b1a8dc34836e2187
ppc64
firefox-60.3.0-1.el6.ppc64.rpm	SHA-256: 777764e11a5ab5002727cb55a2ca98f26116a104e8912b17f65ff23a21663555
firefox-debuginfo-60.3.0-1.el6.ppc64.rpm	SHA-256: 2232dddbc7bed99ff54bfafa0d61fdc33404c916b1a4de7cc56ac6623ca1c9d1

Red Hat Enterprise Linux for Scientific Computing 6

SRPM
firefox-60.3.0-1.el6.src.rpm	SHA-256: 37966af815cefb12639456662690685166bf03f9c3969a92b1a8dc34836e2187
x86_64
firefox-60.3.0-1.el6.i686.rpm	SHA-256: 3e579da3ca58b36262230f3b2c72739befea797520d15f39f51e0958f95783e3
firefox-60.3.0-1.el6.x86_64.rpm	SHA-256: 975f8ce938adbd776898f1e1133c0541d08d1e8f799022981357f93ca312c584
firefox-debuginfo-60.3.0-1.el6.i686.rpm	SHA-256: c7409af0b29ed372bfcc410b996d7840112da759f8d8e8cfbb3478104eb41cdd
firefox-debuginfo-60.3.0-1.el6.x86_64.rpm	SHA-256: f107260930b047a6b458ab14a00ea960d40fa5d1ea77c4e5caa4055fa98f00b0