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Red Hat Security Advisory

Synopsis: Low: gnome-software and fwupd security, bug fix, and enhancement update
Advisory ID: RHSA-2020:4436-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4436
Issue date: 2020-11-03
CVE Names: CVE-2020-10759
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1. Summary:

An update for appstream-data, fwupd, gnome-software, and libxmlb is now
available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact
of Low. 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, noarch, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) – aarch64, ppc64le, s390x, x86_64

3. Description:

The gnome-software packages contain an application that makes it easy to
add, remove, and update software in the GNOME desktop.

The appstream-data package provides the distribution specific AppStream
metadata required for the GNOME and KDE software centers.

The fwupd packages provide a service that allows session software to update
device firmware.

The following packages have been upgraded to a later upstream version:
gnome-software (3.36.1), fwupd (1.4.2).

Security Fix(es):

* fwupd: Possible bypass in signature verification (CVE-2020-10759)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 8.3 Release Notes linked from 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

5. Bugs fixed (https://bugzilla.redhat.com/):

1797932 – Rebase gnome-software to 3.36
1815502 – gnome-software support for auth webflow in flatpak remotes
1839774 – missing section for gnome-shell extensions
1844316 – CVE-2020-10759 fwupd: Possible bypass in signature verification
1844488 – request for appstream-data refresh in 8.3
1845714 – Show Details not working for e.g. Firefox installed from rpm

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
appstream-data-8-20200724.el8.src.rpm
gnome-software-3.36.1-4.el8.src.rpm

aarch64:
gnome-software-3.36.1-4.el8.aarch64.rpm
gnome-software-debuginfo-3.36.1-4.el8.aarch64.rpm
gnome-software-debugsource-3.36.1-4.el8.aarch64.rpm

noarch:
appstream-data-8-20200724.el8.noarch.rpm

ppc64le:
gnome-software-3.36.1-4.el8.ppc64le.rpm
gnome-software-debuginfo-3.36.1-4.el8.ppc64le.rpm
gnome-software-debugsource-3.36.1-4.el8.ppc64le.rpm

s390x:
gnome-software-3.36.1-4.el8.s390x.rpm
gnome-software-debuginfo-3.36.1-4.el8.s390x.rpm
gnome-software-debugsource-3.36.1-4.el8.s390x.rpm

x86_64:
gnome-software-3.36.1-4.el8.x86_64.rpm
gnome-software-debuginfo-3.36.1-4.el8.x86_64.rpm
gnome-software-debugsource-3.36.1-4.el8.x86_64.rpm

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
fwupd-1.4.2-4.el8.src.rpm
libxmlb-0.1.15-1.el8.src.rpm

aarch64:
fwupd-1.4.2-4.el8.aarch64.rpm
fwupd-debuginfo-1.4.2-4.el8.aarch64.rpm
fwupd-debugsource-1.4.2-4.el8.aarch64.rpm
libxmlb-0.1.15-1.el8.aarch64.rpm
libxmlb-debuginfo-0.1.15-1.el8.aarch64.rpm
libxmlb-debugsource-0.1.15-1.el8.aarch64.rpm
libxmlb-tests-debuginfo-0.1.15-1.el8.aarch64.rpm

ppc64le:
fwupd-1.4.2-4.el8.ppc64le.rpm
fwupd-debuginfo-1.4.2-4.el8.ppc64le.rpm
fwupd-debugsource-1.4.2-4.el8.ppc64le.rpm
libxmlb-0.1.15-1.el8.ppc64le.rpm
libxmlb-debuginfo-0.1.15-1.el8.ppc64le.rpm
libxmlb-debugsource-0.1.15-1.el8.ppc64le.rpm
libxmlb-tests-debuginfo-0.1.15-1.el8.ppc64le.rpm

s390x:
fwupd-1.4.2-4.el8.s390x.rpm
fwupd-debuginfo-1.4.2-4.el8.s390x.rpm
fwupd-debugsource-1.4.2-4.el8.s390x.rpm
libxmlb-0.1.15-1.el8.s390x.rpm
libxmlb-debuginfo-0.1.15-1.el8.s390x.rpm
libxmlb-debugsource-0.1.15-1.el8.s390x.rpm
libxmlb-tests-debuginfo-0.1.15-1.el8.s390x.rpm

x86_64:
fwupd-1.4.2-4.el8.x86_64.rpm
fwupd-debuginfo-1.4.2-4.el8.x86_64.rpm
fwupd-debugsource-1.4.2-4.el8.x86_64.rpm
libxmlb-0.1.15-1.el8.i686.rpm
libxmlb-0.1.15-1.el8.x86_64.rpm
libxmlb-debuginfo-0.1.15-1.el8.i686.rpm
libxmlb-debuginfo-0.1.15-1.el8.x86_64.rpm
libxmlb-debugsource-0.1.15-1.el8.i686.rpm
libxmlb-debugsource-0.1.15-1.el8.x86_64.rpm
libxmlb-tests-debuginfo-0.1.15-1.el8.i686.rpm
libxmlb-tests-debuginfo-0.1.15-1.el8.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-2020-10759
https://access.redhat.com/security/updates/classification/#low
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/

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.
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