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Red Hat Security Advisory
Synopsis: Important: firefox security update
Advisory ID: RHSA-2022:5479-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:5479
Issue date: 2022-06-30
CVE Names: CVE-2022-2200 CVE-2022-31744 CVE-2022-34468
CVE-2022-34470 CVE-2022-34472 CVE-2022-34479
CVE-2022-34481 CVE-2022-34484
====================================================================
1. Summary:
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 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.
2. 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
3. Description:
Mozilla Firefox is an open-source web browser, designed for standards
compliance, performance, and portability.
This update upgrades Firefox to version 91.11 ESR.
Security Fix(es):
* Mozilla: CSP sandbox header without `allow-scripts` can be bypassed via
retargeted javascript: URI (CVE-2022-34468)
* Mozilla: Use-after-free in nsSHistory (CVE-2022-34470)
* Mozilla: A popup window could be resized in a way to overlay the address
bar with web content (CVE-2022-34479)
* Mozilla: Memory safety bugs fixed in Firefox 102 and Firefox ESR 91.11
(CVE-2022-34484)
* Mozilla: Undesired attributes could be set as part of prototype pollution
(CVE-2022-2200)
* Mozilla: CSP bypass enabling stylesheet injection (CVE-2022-31744)
* Mozilla: Unavailable PAC file resulted in OCSP requests being blocked
(CVE-2022-34472)
* Mozilla: Potential integer overflow in ReplaceElementsAt (CVE-2022-34481)
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.
4. 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.
5. Bugs fixed (https://bugzilla.redhat.com/):
2102161 - CVE-2022-34479 Mozilla: A popup window could be resized in a way to overlay the address bar with web content
2102162 - CVE-2022-34470 Mozilla: Use-after-free in nsSHistory
2102163 - CVE-2022-34468 Mozilla: CSP sandbox header without `allow-scripts` can be bypassed via retargeted javascript: URI
2102164 - CVE-2022-34481 Mozilla: Potential integer overflow in ReplaceElementsAt
2102165 - CVE-2022-31744 Mozilla: CSP bypass enabling stylesheet injection
2102166 - CVE-2022-34472 Mozilla: Unavailable PAC file resulted in OCSP requests being blocked
2102168 - CVE-2022-2200 Mozilla: Undesired attributes could be set as part of prototype pollution
2102169 - CVE-2022-34484 Mozilla: Memory safety bugs fixed in Firefox 102 and Firefox ESR 91.11
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source:
firefox-91.11.0-2.el7_9.src.rpm
x86_64:
firefox-91.11.0-2.el7_9.x86_64.rpm
firefox-debuginfo-91.11.0-2.el7_9.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64:
firefox-91.11.0-2.el7_9.i686.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
firefox-91.11.0-2.el7_9.src.rpm
ppc64:
firefox-91.11.0-2.el7_9.ppc64.rpm
firefox-debuginfo-91.11.0-2.el7_9.ppc64.rpm
ppc64le:
firefox-91.11.0-2.el7_9.ppc64le.rpm
firefox-debuginfo-91.11.0-2.el7_9.ppc64le.rpm
s390x:
firefox-91.11.0-2.el7_9.s390x.rpm
firefox-debuginfo-91.11.0-2.el7_9.s390x.rpm
x86_64:
firefox-91.11.0-2.el7_9.x86_64.rpm
firefox-debuginfo-91.11.0-2.el7_9.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
x86_64:
firefox-91.11.0-2.el7_9.i686.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
firefox-91.11.0-2.el7_9.src.rpm
x86_64:
firefox-91.11.0-2.el7_9.x86_64.rpm
firefox-debuginfo-91.11.0-2.el7_9.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64:
firefox-91.11.0-2.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/
7. References:
https://access.redhat.com/security/cve/CVE-2022-2200
https://access.redhat.com/security/cve/CVE-2022-31744
https://access.redhat.com/security/cve/CVE-2022-34468
https://access.redhat.com/security/cve/CVE-2022-34470
https://access.redhat.com/security/cve/CVE-2022-34472
https://access.redhat.com/security/cve/CVE-2022-34479
https://access.redhat.com/security/cve/CVE-2022-34481
https://access.redhat.com/security/cve/CVE-2022-34484
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2022 Red Hat, Inc.
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