Topic

An update for firefox is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

[Updated 24 September 2019]
Previously, this erratum was marked as having a security impact of Critical. This was incorrect; the security impact of this erratum has been changed to Important, to correctly reflect the highest impact rating of CVE fixes included in this release. No changes have been made to the packages.

Description

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 68.1.0 ESR.

Security Fix(es):

• Mozilla: Sandbox escape through Firefox Sync (CVE-2019-9812)
• Mozilla: Memory safety bugs fixed in Firefox 69 and Firefox ESR 68.1 (CVE-2019-11735)
• Mozilla: Memory safety bugs fixed in Firefox 69, Firefox ESR 68.1, and Firefox ESR 60.9 (CVE-2019-11740)
• Mozilla: Same-origin policy violation with SVG filters and canvas to steal cross-origin images (CVE-2019-11742)
• Mozilla: XSS by breaking out of title and textarea elements using innerHTML (CVE-2019-11744)
• Mozilla: Use-after-free while manipulating video (CVE-2019-11746)
• Mozilla: Use-after-free while extracting a key value in IndexedDB (CVE-2019-11752)
• Mozilla: Cross-origin access to unload event attributes (CVE-2019-11743)
• Mozilla: Persistence of WebRTC permissions in a third party context (CVE-2019-11748)
• Mozilla: Camera information available without prompting using getUserMedia (CVE-2019-11749)
• Mozilla: Type confusion in Spidermonkey (CVE-2019-11750)
• Mozilla: Content security policy bypass through hash-based sources in directives (CVE-2019-11738)
• Mozilla: 'Forget about this site' removes sites from pre-loaded HSTS list (CVE-2019-11747)

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.

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 for x86_64 8 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.4 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.2 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.1 x86_64
• Red Hat Enterprise Linux Server - AUS 8.4 x86_64
• Red Hat Enterprise Linux Server - AUS 8.2 x86_64
• Red Hat Enterprise Linux for IBM z Systems 8 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.4 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.2 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.1 s390x
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.4 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.2 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.1 ppc64le
• Red Hat Enterprise Linux Server - TUS 8.4 x86_64
• Red Hat Enterprise Linux Server - TUS 8.2 x86_64
• Red Hat Enterprise Linux for ARM 64 8 aarch64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.4 aarch64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.2 aarch64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.1 aarch64
• Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.4 ppc64le
• Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.2 ppc64le
• Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.1 ppc64le
• Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.0 ppc64le
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.4 x86_64
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.2 x86_64
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.1 x86_64
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.0 x86_64

Fixes

• BZ - 1748652 - CVE-2019-11740 Mozilla: Memory safety bugs fixed in Firefox 69, Firefox ESR 68.1, Firefox ESR 60.9, Thunderbird 68.1, and Thunderbird 60.9
• BZ - 1748653 - CVE-2019-11742 Mozilla: Same-origin policy violation with SVG filters and canvas to steal cross-origin images
• BZ - 1748654 - CVE-2019-11743 Mozilla: Cross-origin access to unload event attributes
• BZ - 1748655 - CVE-2019-11744 Mozilla: XSS by breaking out of title and textarea elements using innerHTML
• BZ - 1748656 - CVE-2019-11746 Mozilla: Use-after-free while manipulating video
• BZ - 1748657 - CVE-2019-11752 Mozilla: Use-after-free while extracting a key value in IndexedDB
• BZ - 1748660 - CVE-2019-9812 Mozilla: Sandbox escape through Firefox Sync
• BZ - 1748661 - CVE-2019-11735 Mozilla: Memory safety bugs fixed in Firefox 69 and Firefox ESR 68.1
• BZ - 1748663 - CVE-2019-11738 Mozilla: Content security policy bypass through hash-based sources in directives
• BZ - 1748664 - CVE-2019-11747 Mozilla: 'Forget about this site' removes sites from pre-loaded HSTS list
• BZ - 1748665 - CVE-2019-11748 Mozilla: Persistence of WebRTC permissions in a third party context
• BZ - 1748666 - CVE-2019-11749 Mozilla: Camera information available without prompting using getUserMedia
• BZ - 1748667 - CVE-2019-11750 Mozilla: Type confusion in Spidermonkey

CVEs

• CVE-2019-9812
• CVE-2019-11733
• CVE-2019-11735
• CVE-2019-11738
• CVE-2019-11740
• CVE-2019-11742
• CVE-2019-11743
• CVE-2019-11744
• CVE-2019-11746
• CVE-2019-11747
• CVE-2019-11748
• CVE-2019-11749
• CVE-2019-11750
• CVE-2019-11752

References

• https://access.redhat.com/security/updates/classification/#important
• https://www.mozilla.org/en-US/security/advisories/mfsa2019-26/