RHSA-2019:1765 - Security Advisory

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 60.8.0 ESR.

Security Fix(es):

• Mozilla: Memory safety bugs fixed in Firefox 68 and Firefox ESR 60.8 (CVE-2019-11709)
• Mozilla: Sandbox escape via installation of malicious language pack (CVE-2019-9811)
• Mozilla: Script injection within domain through inner window reuse (CVE-2019-11711)
• Mozilla: Cross-origin POST requests can be made with NPAPI plugins by following 308 redirects (CVE-2019-11712)
• Mozilla: Use-after-free with HTTP/2 cached stream (CVE-2019-11713)
• Mozilla: HTML parsing error can contribute to content XSS (CVE-2019-11715)
• Mozilla: Caret character improperly escaped in origins (CVE-2019-11717)
• Mozilla: Same-origin policy treats all files in a directory as having the same-origin (CVE-2019-11730)

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

Fixes

• BZ - 1728430 - CVE-2019-11709 Mozilla: Memory safety bugs fixed in Firefox 68 and Firefox ESR 60.8
• BZ - 1728431 - CVE-2019-11711 Mozilla: Script injection within domain through inner window reuse
• BZ - 1728432 - CVE-2019-11712 Mozilla: Cross-origin POST requests can be made with NPAPI plugins by following 308 redirects
• BZ - 1728433 - CVE-2019-11713 Mozilla: Use-after-free with HTTP/2 cached stream
• BZ - 1728434 - CVE-2019-11715 Mozilla: HTML parsing error can contribute to content XSS
• BZ - 1728435 - CVE-2019-11717 Mozilla: Caret character improperly escaped in origins
• BZ - 1728438 - CVE-2019-11730 Mozilla: Same-origin policy treats all files in a directory as having the same-origin
• BZ - 1728439 - CVE-2019-9811 Mozilla: Sandbox escape via installation of malicious language pack

CVEs

• CVE-2019-9811
• CVE-2019-11709
• CVE-2019-11711
• CVE-2019-11712
• CVE-2019-11713
• CVE-2019-11715
• CVE-2019-11717
• CVE-2019-11730

References

• https://access.redhat.com/security/updates/classification/#critical