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Red Hat Security Advisory 2022-0818-01

Red Hat Security Advisory 2022-0818-01
Posted Mar 11, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0818-01 - Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 91.7.0 ESR. Issues addressed include bypass, code execution, integer overflow, and use-after-free vulnerabilities.

tags | advisory, web, overflow, vulnerability, code execution
systems | linux, redhat
advisories | CVE-2022-25235, CVE-2022-25236, CVE-2022-25315, CVE-2022-26381, CVE-2022-26383, CVE-2022-26384, CVE-2022-26386, CVE-2022-26387, CVE-2022-26485, CVE-2022-26486
SHA-256 | 133a2b246e13e082a64c2fd96bfbe208e752a9beb550c26101bc5af96c1b129c

Red Hat Security Advisory 2022-0818-01

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

Synopsis: Critical: firefox security update
Advisory ID: RHSA-2022:0818-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:0818
Issue date: 2022-03-10
CVE Names: CVE-2022-25235 CVE-2022-25236 CVE-2022-25315
CVE-2022-26381 CVE-2022-26383 CVE-2022-26384
CVE-2022-26386 CVE-2022-26387 CVE-2022-26485
CVE-2022-26486
====================================================================
1. Summary:

An update for firefox is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact
of Critical. 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 (v. 8) - 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 91.7.0 ESR.

Security Fix(es):

* Mozilla: Use-after-free in XSLT parameter processing (CVE-2022-26485)

* Mozilla: Use-after-free in WebGPU IPC Framework (CVE-2022-26486)

* expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code
execution (CVE-2022-25235)

* expat: Namespace-separator characters in "xmlns[:prefix]" attribute
values can lead to arbitrary code execution (CVE-2022-25236)

* expat: Integer overflow in storeRawNames() (CVE-2022-25315)

* Mozilla: Use-after-free in text reflows (CVE-2022-26381)

* Mozilla: Browser window spoof using fullscreen mode (CVE-2022-26383)

* Mozilla: iframe allow-scripts sandbox bypass (CVE-2022-26384)

* Mozilla: Time-of-check time-of-use bug when verifying add-on signatures
(CVE-2022-26387)

* Mozilla: Temporary files downloaded to /tmp and accessible by other local
users (CVE-2022-26386)

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/):

2056363 - CVE-2022-25315 expat: Integer overflow in storeRawNames()
2056366 - CVE-2022-25235 expat: Malformed 2- and 3-byte UTF-8 sequences can lead to arbitrary code execution
2056370 - CVE-2022-25236 expat: Namespace-separator characters in "xmlns[:prefix]" attribute values can lead to arbitrary code execution
2061735 - CVE-2022-26486 Mozilla: Use-after-free in WebGPU IPC Framework
2061736 - CVE-2022-26485 Mozilla: Use-after-free in XSLT parameter processing
2062220 - CVE-2022-26383 Mozilla: Browser window spoof using fullscreen mode
2062221 - CVE-2022-26384 Mozilla: iframe allow-scripts sandbox bypass
2062222 - CVE-2022-26387 Mozilla: Time-of-check time-of-use bug when verifying add-on signatures
2062223 - CVE-2022-26381 Mozilla: Use-after-free in text reflows
2062224 - CVE-2022-26386 Mozilla: Temporary files downloaded to /tmp and accessible by other local users

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
firefox-91.7.0-3.el8_5.src.rpm

aarch64:
firefox-91.7.0-3.el8_5.aarch64.rpm
firefox-debuginfo-91.7.0-3.el8_5.aarch64.rpm
firefox-debugsource-91.7.0-3.el8_5.aarch64.rpm

ppc64le:
firefox-91.7.0-3.el8_5.ppc64le.rpm
firefox-debuginfo-91.7.0-3.el8_5.ppc64le.rpm
firefox-debugsource-91.7.0-3.el8_5.ppc64le.rpm

s390x:
firefox-91.7.0-3.el8_5.s390x.rpm
firefox-debuginfo-91.7.0-3.el8_5.s390x.rpm
firefox-debugsource-91.7.0-3.el8_5.s390x.rpm

x86_64:
firefox-91.7.0-3.el8_5.x86_64.rpm
firefox-debuginfo-91.7.0-3.el8_5.x86_64.rpm
firefox-debugsource-91.7.0-3.el8_5.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-2022-25235
https://access.redhat.com/security/cve/CVE-2022-25236
https://access.redhat.com/security/cve/CVE-2022-25315
https://access.redhat.com/security/cve/CVE-2022-26381
https://access.redhat.com/security/cve/CVE-2022-26383
https://access.redhat.com/security/cve/CVE-2022-26384
https://access.redhat.com/security/cve/CVE-2022-26386
https://access.redhat.com/security/cve/CVE-2022-26387
https://access.redhat.com/security/cve/CVE-2022-26485
https://access.redhat.com/security/cve/CVE-2022-26486
https://access.redhat.com/security/updates/classification/#critical

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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