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Red Hat: RHSA-2020-2381-01 Important: Firefox Security Threats

red hat
Calendar Grey June 3, 2020
Dist Redhat Esm H88
Canonical releases a significant security patch for Chrome on Ubuntu 20.04, targeting vulnerabilities that were uncovered in the recent security assessments.
An update for firefox is now available for Red Hat Enterprise Linux 7

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.

Summary

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.
This update upgrades Firefox to version 68.9.0 ESR.
Security Fix(es):
* Mozilla: Use-after-free in SharedWorkerService (CVE-2020-12405)
* Mozilla: JavaScript Type confusion with NativeTypes (CVE-2020-12406)
* Mozilla: Memory safety bugs fixed in Firefox 77 and Firefox ESR 68.9 (CVE-2020-12410)
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.

Topics%20covered

Topics Covered

security advisory security issue Red Hat update important firefox web browser

References

https://access.redhat.com/security/cve/CVE-2020-12405 https://access.redhat.com/security/cve/CVE-2020-12406 https://access.redhat.com/security/cve/CVE-2020-12410 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: firefox-68.9.0-1.el7_8.src.rpm
x86_64: firefox-68.9.0-1.el7_8.x86_64.rpm firefox-debuginfo-68.9.0-1.el7_8.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: firefox-68.9.0-1.el7_8.i686.rpm firefox-debuginfo-68.9.0-1.el7_8.i686.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: firefox-68.9.0-1.el7_8.src.rpm
ppc64: firefox-68.9.0-1.el7_8.ppc64.rpm firefox-debuginfo-68.9.0-1.el7_8.ppc64.rpm
ppc64le: firefox-68.9.0-1.el7_8.ppc64le.rpm firefox-debuginfo-68.9.0-1.el7_8.ppc64le.rpm
s390x: firefox-68.9.0-1.el7_8.s390x.rpm firefox-debuginfo-68.9.0-1.el7_8.s390x.rpm
x86_64: firefox-68.9.0-1.el7_8.x86_64.rpm firefox-debuginfo-68.9.0-1.el7_8.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
x86_64: firefox-68.9.0-1.el7_8.i686.rpm firefox-debuginfo-68.9.0-1.el7_8.i686.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: firefox-68.9.0-1.el7_8.src.rpm
x86_64: firefox-68.9.0-1.el7_8.x86_64.rpm firefox-debuginfo-68.9.0-1.el7_8.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64: firefox-68.9.0-1.el7_8.i686.rpm firefox-debuginfo-68.9.0-1.el7_8.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


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:2381-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2381
Issue date: 2020-06-03

Topic

An update for firefox is now available for Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security issue Red Hat update important firefox web browser

Relevant Releases Architectures

Red Hat Enterprise Linux Client (v. 7) - x86_64

Red Hat Enterprise Linux Client Optional (v. 7) - x86_64

Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - x86_64

Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

Bugs Fixed

1843030 - CVE-2020-12410 Mozilla: Memory safety bugs fixed in Firefox 77 and Firefox ESR 68.9

1843312 - CVE-2020-12406 Mozilla: JavaScript Type confusion with NativeTypes

1843313 - CVE-2020-12405 Mozilla: Use-after-free in SharedWorkerService

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