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Red Hat Security Advisory
Synopsis: Critical: firefox security update
Advisory ID: RHSA-2019:3281-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3281
Issue date: 2019-10-31
CVE Names: CVE-2019-11757 CVE-2019-11758 CVE-2019-11759
CVE-2019-11760 CVE-2019-11761 CVE-2019-11762
CVE-2019-11763 CVE-2019-11764
=====================================================================
1. Summary:
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.
2. 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
3. Description:
Mozilla Firefox is an open-source web browser, designed for standards
compliance, performance, and portability.
This update upgrades Firefox to version 68.2.0 ESR.
Security Fix(es):
* Mozilla: Memory safety bugs fixed in Firefox 70 and Firefox ESR 68.2
(CVE-2019-11764)
* Mozilla: Use-after-free when creating index updates in IndexedDB
(CVE-2019-11757)
* Mozilla: Potentially exploitable crash due to 360 Total Security
(CVE-2019-11758)
* Mozilla: Stack buffer overflow in HKDF output (CVE-2019-11759)
* Mozilla: Stack buffer overflow in WebRTC networking (CVE-2019-11760)
* Mozilla: Unintended access to a privileged JSONView object
(CVE-2019-11761)
* Mozilla: document.domain-based origin isolation has same-origin-property
violation (CVE-2019-11762)
* Mozilla: Incorrect HTML parsing results in XSS bypass technique
(CVE-2019-11763)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
4. 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.
5. Bugs fixed (https://bugzilla.redhat.com/):
1764438 – CVE-2019-11757 Mozilla: Use-after-free when creating index updates in IndexedDB
1764439 – CVE-2019-11758 Mozilla: Potentially exploitable crash due to 360 Total Security
1764440 – CVE-2019-11759 Mozilla: Stack buffer overflow in HKDF output
1764441 – CVE-2019-11760 Mozilla: Stack buffer overflow in WebRTC networking
1764442 – CVE-2019-11761 Mozilla: Unintended access to a privileged JSONView object
1764443 – CVE-2019-11762 Mozilla: document.domain-based origin isolation has same-origin-property violation
1764444 – CVE-2019-11763 Mozilla: Incorrect HTML parsing results in XSS bypass technique
1764446 – CVE-2019-11764 Mozilla: Memory safety bugs fixed in Firefox 70 and Firefox ESR 68.2
6. Package List:
Red Hat Enterprise Linux Desktop (v. 6):
Source:
firefox-68.2.0-4.el6_10.src.rpm
i386:
firefox-68.2.0-4.el6_10.i686.rpm
firefox-debuginfo-68.2.0-4.el6_10.i686.rpm
x86_64:
firefox-68.2.0-4.el6_10.x86_64.rpm
firefox-debuginfo-68.2.0-4.el6_10.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
x86_64:
firefox-68.2.0-4.el6_10.i686.rpm
firefox-debuginfo-68.2.0-4.el6_10.i686.rpm
Red Hat Enterprise Linux HPC Node Optional (v. 6):
Source:
firefox-68.2.0-4.el6_10.src.rpm
x86_64:
firefox-68.2.0-4.el6_10.i686.rpm
firefox-68.2.0-4.el6_10.x86_64.rpm
firefox-debuginfo-68.2.0-4.el6_10.i686.rpm
firefox-debuginfo-68.2.0-4.el6_10.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source:
firefox-68.2.0-4.el6_10.src.rpm
i386:
firefox-68.2.0-4.el6_10.i686.rpm
firefox-debuginfo-68.2.0-4.el6_10.i686.rpm
ppc64:
firefox-68.2.0-4.el6_10.ppc64.rpm
firefox-debuginfo-68.2.0-4.el6_10.ppc64.rpm
s390x:
firefox-68.2.0-4.el6_10.s390x.rpm
firefox-debuginfo-68.2.0-4.el6_10.s390x.rpm
x86_64:
firefox-68.2.0-4.el6_10.x86_64.rpm
firefox-debuginfo-68.2.0-4.el6_10.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6):
x86_64:
firefox-68.2.0-4.el6_10.i686.rpm
firefox-debuginfo-68.2.0-4.el6_10.i686.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source:
firefox-68.2.0-4.el6_10.src.rpm
i386:
firefox-68.2.0-4.el6_10.i686.rpm
firefox-debuginfo-68.2.0-4.el6_10.i686.rpm
x86_64:
firefox-68.2.0-4.el6_10.x86_64.rpm
firefox-debuginfo-68.2.0-4.el6_10.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 6):
x86_64:
firefox-68.2.0-4.el6_10.i686.rpm
firefox-debuginfo-68.2.0-4.el6_10.i686.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2019-11757
https://access.redhat.com/security/cve/CVE-2019-11758
https://access.redhat.com/security/cve/CVE-2019-11759
https://access.redhat.com/security/cve/CVE-2019-11760
https://access.redhat.com/security/cve/CVE-2019-11761
https://access.redhat.com/security/cve/CVE-2019-11762
https://access.redhat.com/security/cve/CVE-2019-11763
https://access.redhat.com/security/cve/CVE-2019-11764
https://access.redhat.com/security/updates/classification/#critical
https://www.mozilla.org/en-US/security/advisories/mfsa2019-33/
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2019 Red Hat, Inc.
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