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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: firefox security update
Advisory ID:       RHSA-2023:0811-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:0811
Issue date:        2023-02-20
CVE Names:         CVE-2023-0767 CVE-2023-25728 CVE-2023-25729 
                   CVE-2023-25730 CVE-2023-25732 CVE-2023-25735 
                   CVE-2023-25737 CVE-2023-25739 CVE-2023-25742 
                   CVE-2023-25743 CVE-2023-25744 CVE-2023-25746 
=====================================================================

1. Summary:

An update for firefox is now available for Red Hat Enterprise Linux 8.2
Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications
Update Service, and Red Hat Enterprise Linux 8.2 Update Services for SAP
Solutions.

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 AppStream AUS (v. 8.2) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux AppStream E4S (v. 8.2) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux AppStream TUS (v. 8.2) - aarch64, ppc64le, s390x, 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 102.8.0 ESR.

Security Fix(es):

* Mozilla: Arbitrary memory write via PKCS 12 in NSS (CVE-2023-0767)

* Mozilla: Content security policy leak in violation reports using iframes
(CVE-2023-25728)

* Mozilla: Screen hijack via browser fullscreen mode (CVE-2023-25730)

* Mozilla: Potential use-after-free from compartment mismatch in
SpiderMonkey (CVE-2023-25735)

* Mozilla: Invalid downcast in SVGUtils::SetupStrokeGeometry
(CVE-2023-25737)

* Mozilla: Use-after-free in
mozilla::dom::ScriptLoadContext::~ScriptLoadContext (CVE-2023-25739)

* Mozilla: Fullscreen notification not shown in Firefox Focus
(CVE-2023-25743)

* Mozilla: Memory safety bugs fixed in Firefox 110 and Firefox ESR 102.8
(CVE-2023-25744)

* Mozilla: Memory safety bugs fixed in Firefox ESR 102.8 (CVE-2023-25746)

* Mozilla: Extensions could have opened external schemes without user
knowledge (CVE-2023-25729)

* Mozilla: Out of bounds memory write from EncodeInputStream
(CVE-2023-25732)

* Mozilla: Web Crypto ImportKey crashes tab (CVE-2023-25742)

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/):

2170374 - CVE-2023-25728 Mozilla: Content security policy leak in violation reports using iframes
2170375 - CVE-2023-25730 Mozilla: Screen hijack via browser fullscreen mode
2170376 - CVE-2023-25743 Mozilla: Fullscreen notification not shown in Firefox Focus
2170377 - CVE-2023-0767 Mozilla: Arbitrary memory write via PKCS 12 in NSS
2170378 - CVE-2023-25735 Mozilla: Potential use-after-free from compartment mismatch in SpiderMonkey
2170379 - CVE-2023-25737 Mozilla: Invalid downcast in SVGUtils::SetupStrokeGeometry
2170381 - CVE-2023-25739 Mozilla: Use-after-free in mozilla::dom::ScriptLoadContext::~ScriptLoadContext
2170382 - CVE-2023-25729 Mozilla: Extensions could have opened external schemes without user knowledge
2170383 - CVE-2023-25732 Mozilla: Out of bounds memory write from EncodeInputStream
2170390 - CVE-2023-25742 Mozilla: Web Crypto ImportKey crashes tab
2170391 - CVE-2023-25744 Mozilla: Memory safety bugs fixed in Firefox 110 and Firefox ESR 102.8
2170402 - CVE-2023-25746 Mozilla: Memory safety bugs fixed in Firefox ESR 102.8

6. Package List:

Red Hat Enterprise Linux AppStream AUS (v. 8.2):

Source:
firefox-102.8.0-2.el8_2.src.rpm

aarch64:
firefox-102.8.0-2.el8_2.aarch64.rpm
firefox-debuginfo-102.8.0-2.el8_2.aarch64.rpm
firefox-debugsource-102.8.0-2.el8_2.aarch64.rpm

ppc64le:
firefox-102.8.0-2.el8_2.ppc64le.rpm
firefox-debuginfo-102.8.0-2.el8_2.ppc64le.rpm
firefox-debugsource-102.8.0-2.el8_2.ppc64le.rpm

s390x:
firefox-102.8.0-2.el8_2.s390x.rpm
firefox-debuginfo-102.8.0-2.el8_2.s390x.rpm
firefox-debugsource-102.8.0-2.el8_2.s390x.rpm

x86_64:
firefox-102.8.0-2.el8_2.x86_64.rpm
firefox-debuginfo-102.8.0-2.el8_2.x86_64.rpm
firefox-debugsource-102.8.0-2.el8_2.x86_64.rpm

Red Hat Enterprise Linux AppStream E4S (v. 8.2):

Source:
firefox-102.8.0-2.el8_2.src.rpm

aarch64:
firefox-102.8.0-2.el8_2.aarch64.rpm
firefox-debuginfo-102.8.0-2.el8_2.aarch64.rpm
firefox-debugsource-102.8.0-2.el8_2.aarch64.rpm

ppc64le:
firefox-102.8.0-2.el8_2.ppc64le.rpm
firefox-debuginfo-102.8.0-2.el8_2.ppc64le.rpm
firefox-debugsource-102.8.0-2.el8_2.ppc64le.rpm

s390x:
firefox-102.8.0-2.el8_2.s390x.rpm
firefox-debuginfo-102.8.0-2.el8_2.s390x.rpm
firefox-debugsource-102.8.0-2.el8_2.s390x.rpm

x86_64:
firefox-102.8.0-2.el8_2.x86_64.rpm
firefox-debuginfo-102.8.0-2.el8_2.x86_64.rpm
firefox-debugsource-102.8.0-2.el8_2.x86_64.rpm

Red Hat Enterprise Linux AppStream TUS (v. 8.2):

Source:
firefox-102.8.0-2.el8_2.src.rpm

aarch64:
firefox-102.8.0-2.el8_2.aarch64.rpm
firefox-debuginfo-102.8.0-2.el8_2.aarch64.rpm
firefox-debugsource-102.8.0-2.el8_2.aarch64.rpm

ppc64le:
firefox-102.8.0-2.el8_2.ppc64le.rpm
firefox-debuginfo-102.8.0-2.el8_2.ppc64le.rpm
firefox-debugsource-102.8.0-2.el8_2.ppc64le.rpm

s390x:
firefox-102.8.0-2.el8_2.s390x.rpm
firefox-debuginfo-102.8.0-2.el8_2.s390x.rpm
firefox-debugsource-102.8.0-2.el8_2.s390x.rpm

x86_64:
firefox-102.8.0-2.el8_2.x86_64.rpm
firefox-debuginfo-102.8.0-2.el8_2.x86_64.rpm
firefox-debugsource-102.8.0-2.el8_2.x86_64.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-2023-0767
https://access.redhat.com/security/cve/CVE-2023-25728
https://access.redhat.com/security/cve/CVE-2023-25729
https://access.redhat.com/security/cve/CVE-2023-25730
https://access.redhat.com/security/cve/CVE-2023-25732
https://access.redhat.com/security/cve/CVE-2023-25735
https://access.redhat.com/security/cve/CVE-2023-25737
https://access.redhat.com/security/cve/CVE-2023-25739
https://access.redhat.com/security/cve/CVE-2023-25742
https://access.redhat.com/security/cve/CVE-2023-25743
https://access.redhat.com/security/cve/CVE-2023-25744
https://access.redhat.com/security/cve/CVE-2023-25746
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 2023 Red Hat, Inc.
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