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Red Hat: RHSA-2022:1703-01 Important: Firefox Security Fix

red hat
Calendar Grey May 4, 2022
Dist Redhat Esm H88
An important Firefox security patch for Red Hat Enterprise Linux 7 addresses multiple security flaws. Reboot required following installation.
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 91.9.0 ESR.
Security Fix(es):
* Mozilla: Bypassing permission prompt in nested browsing contexts (CVE-2022-29909)
* Mozilla: iframe Sandbox bypass (CVE-2022-29911)
* Mozilla: Fullscreen notification bypass using popups (CVE-2022-29914)
* Mozilla: Leaking browser history with CSS variables (CVE-2022-29916)
* Mozilla: Memory safety bugs fixed in Firefox 100 and Firefox ESR 91.9 (CVE-2022-29917)
* Mozilla: Reader mode bypassed SameSite cookies (CVE-2022-29912)
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 update red hat security fix important firefox

References

https://access.redhat.com/security/cve/CVE-2022-29909 https://access.redhat.com/security/cve/CVE-2022-29911 https://access.redhat.com/security/cve/CVE-2022-29912 https://access.redhat.com/security/cve/CVE-2022-29914 https://access.redhat.com/security/cve/CVE-2022-29916 https://access.redhat.com/security/cve/CVE-2022-29917 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: firefox-91.9.0-1.el7_9.src.rpm
x86_64: firefox-91.9.0-1.el7_9.x86_64.rpm firefox-debuginfo-91.9.0-1.el7_9.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: firefox-91.9.0-1.el7_9.i686.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: firefox-91.9.0-1.el7_9.src.rpm
ppc64: firefox-91.9.0-1.el7_9.ppc64.rpm firefox-debuginfo-91.9.0-1.el7_9.ppc64.rpm
ppc64le: firefox-91.9.0-1.el7_9.ppc64le.rpm firefox-debuginfo-91.9.0-1.el7_9.ppc64le.rpm
s390x: firefox-91.9.0-1.el7_9.s390x.rpm firefox-debuginfo-91.9.0-1.el7_9.s390x.rpm
x86_64: firefox-91.9.0-1.el7_9.x86_64.rpm firefox-debuginfo-91.9.0-1.el7_9.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
x86_64: firefox-91.9.0-1.el7_9.i686.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: firefox-91.9.0-1.el7_9.src.rpm
x86_64: firefox-91.9.0-1.el7_9.x86_64.rpm firefox-debuginfo-91.9.0-1.el7_9.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64: firefox-91.9.0-1.el7_9.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-2022:1703-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:1703
Issue date: 2022-05-04

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 update red hat security fix important firefox

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

2081468 - CVE-2022-29914 Mozilla: Fullscreen notification bypass using popups

2081469 - CVE-2022-29909 Mozilla: Bypassing permission prompt in nested browsing contexts

2081470 - CVE-2022-29916 Mozilla: Leaking browser history with CSS variables

2081471 - CVE-2022-29911 Mozilla: iframe Sandbox bypass

2081472 - CVE-2022-29912 Mozilla: Reader mode bypassed SameSite cookies

2081473 - CVE-2022-29917 Mozilla: Memory safety bugs fixed in Firefox 100 and Firefox ESR 91.9

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