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Red Hat Enterprise Linux 7: RHSA-2022-0514-01 Critical Firefox Security Bug

red hat
Calendar Grey February 14, 2022
Dist Redhat Esm H88
A crucial patch for Firefox on CentOS enhances its defenses and resolves various vulnerabilities.
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 91.6.0 ESR.
Security Fix(es):
* Mozilla: Extensions could have bypassed permission confirmation during update (CVE-2022-22754)
* Mozilla: Memory safety bugs fixed in Firefox 97 and Firefox ESR 91.6 (CVE-2022-22764)
* Mozilla: Drag and dropping an image could have resulted in the dropped object being an executable (CVE-2022-22756)
* Mozilla: Sandboxed iframes could have executed script if the parent appended elements (CVE-2022-22759)
* Mozilla: Cross-Origin responses could be distinguished between script and non-script content-types (CVE-2022-22760)
* Mozilla: frame-ancestors Content Security Policy directive was not enforced for framed extension pages (CVE-2022-22761)
* Mozilla: Script Execution during invalid object state (CVE-2022-22763)
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 update important firefox Red Hat Enterprise memory safety

References

https://access.redhat.com/security/cve/CVE-2022-22754 https://access.redhat.com/security/cve/CVE-2022-22756 https://access.redhat.com/security/cve/CVE-2022-22759 https://access.redhat.com/security/cve/CVE-2022-22760 https://access.redhat.com/security/cve/CVE-2022-22761 https://access.redhat.com/security/cve/CVE-2022-22763 https://access.redhat.com/security/cve/CVE-2022-22764 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: firefox-91.6.0-1.el7_9.src.rpm
x86_64: firefox-91.6.0-1.el7_9.x86_64.rpm firefox-debuginfo-91.6.0-1.el7_9.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: firefox-91.6.0-1.el7_9.i686.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: firefox-91.6.0-1.el7_9.src.rpm
ppc64: firefox-91.6.0-1.el7_9.ppc64.rpm firefox-debuginfo-91.6.0-1.el7_9.ppc64.rpm
ppc64le: firefox-91.6.0-1.el7_9.ppc64le.rpm firefox-debuginfo-91.6.0-1.el7_9.ppc64le.rpm
s390x: firefox-91.6.0-1.el7_9.s390x.rpm firefox-debuginfo-91.6.0-1.el7_9.s390x.rpm
x86_64: firefox-91.6.0-1.el7_9.x86_64.rpm firefox-debuginfo-91.6.0-1.el7_9.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
x86_64: firefox-91.6.0-1.el7_9.i686.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: firefox-91.6.0-1.el7_9.src.rpm
x86_64: firefox-91.6.0-1.el7_9.x86_64.rpm firefox-debuginfo-91.6.0-1.el7_9.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64: firefox-91.6.0-1.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-2022:0514-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:0514
Issue date: 2022-02-14

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 update important firefox Red Hat Enterprise memory safety

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

2053236 - CVE-2022-22754 Mozilla: Extensions could have bypassed permission confirmation during update

2053237 - CVE-2022-22756 Mozilla: Drag and dropping an image could have resulted in the dropped object being an executable

2053238 - CVE-2022-22760 Mozilla: Cross-Origin responses could be distinguished between script and non-script content-types

2053239 - CVE-2022-22761 Mozilla: frame-ancestors Content Security Policy directive was not enforced for framed extension pages

2053240 - CVE-2022-22763 Mozilla: Script Execution during invalid object state

2053242 - CVE-2022-22759 Mozilla: Sandboxed iframes could have executed script if the parent appended elements

2053243 - CVE-2022-22764 Mozilla: Memory safety bugs fixed in Firefox 97 and Firefox ESR 91.6

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