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 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 25 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 60.9.0 ESR.

Security Fix(es):

• Mozilla: Sandbox escape through Firefox Sync (CVE-2019-9812)
• 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)
• firefox: stored passwords in 'Saved Logins' can be copied without master password entry (CVE-2019-11733)
• Mozilla: Cross-origin access to unload event attributes (CVE-2019-11743)

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 Server 6 x86_64
• Red Hat Enterprise Linux Server 6 i386
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 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
• Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6 s390x

Fixes

• BZ - 1745687 - CVE-2019-11733 firefox: stored passwords in 'Saved Logins' can be copied without master password entry
• 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

CVEs

• CVE-2019-9812
• CVE-2019-11733
• CVE-2019-11740
• CVE-2019-11742
• CVE-2019-11743
• CVE-2019-11744
• CVE-2019-11746
• CVE-2019-11752

References

• https://access.redhat.com/security/updates/classification/#important
• https://www.mozilla.org/en-US/security/advisories/mfsa2019-27/