Red Hat Security Advisory 2020-3834-01

—–BEGIN PGP SIGNED MESSAGE—–
Hash: SHA256

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

Synopsis: Important: firefox security update
Advisory ID: RHSA-2020:3834-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:3834
Issue date: 2020-09-24
CVE Names: CVE-2020-15673 CVE-2020-15676 CVE-2020-15677
CVE-2020-15678
====================================================================
1. Summary:

An update for firefox is now available for Red Hat Enterprise Linux 8.0
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 E4S (v. 8.0) – 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 78.3.0 ESR.

Security Fix(es):

* Mozilla: Memory safety bugs fixed in Firefox 81 and Firefox ESR 78.3
(CVE-2020-15673)

* Mozilla: XSS when pasting attacker-controlled data into a contenteditable
element (CVE-2020-15676)

* Mozilla: Download origin spoofing via redirect (CVE-2020-15677)

* Mozilla: When recursing through layers while scrolling, an iterator may
have become invalid, resulting in a potential use-after-free scenario
(CVE-2020-15678)

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/):

1881664 – CVE-2020-15677 Mozilla: Download origin spoofing via redirect
1881665 – CVE-2020-15676 Mozilla: XSS when pasting attacker-controlled data into a contenteditable element
1881666 – CVE-2020-15678 Mozilla: When recursing through layers while scrolling, an iterator may have become invalid, resulting in a potential use-after-free scenario
1881667 – CVE-2020-15673 Mozilla: Memory safety bugs fixed in Firefox 81 and Firefox ESR 78.3

6. Package List:

Red Hat Enterprise Linux AppStream E4S (v. 8.0):

Source:
firefox-78.3.0-1.el8_0.src.rpm

aarch64:
firefox-78.3.0-1.el8_0.aarch64.rpm
firefox-debuginfo-78.3.0-1.el8_0.aarch64.rpm
firefox-debugsource-78.3.0-1.el8_0.aarch64.rpm

ppc64le:
firefox-78.3.0-1.el8_0.ppc64le.rpm
firefox-debuginfo-78.3.0-1.el8_0.ppc64le.rpm
firefox-debugsource-78.3.0-1.el8_0.ppc64le.rpm

s390x:
firefox-78.3.0-1.el8_0.s390x.rpm
firefox-debuginfo-78.3.0-1.el8_0.s390x.rpm
firefox-debugsource-78.3.0-1.el8_0.s390x.rpm

x86_64:
firefox-78.3.0-1.el8_0.x86_64.rpm
firefox-debuginfo-78.3.0-1.el8_0.x86_64.rpm
firefox-debugsource-78.3.0-1.el8_0.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-2020-15673
https://access.redhat.com/security/cve/CVE-2020-15676
https://access.redhat.com/security/cve/CVE-2020-15677
https://access.redhat.com/security/cve/CVE-2020-15678
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 2020 Red Hat, Inc.
—–BEGIN PGP SIGNATURE—–
Version: GnuPG v1
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‹lb
—–END PGP SIGNATURE—–


RHSA-announce mailing list
RHSA-announce@redhat.com
https://www.redhat.com/mailman/listinfo/rhsa-announce