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RedHat: RHSA-2021-1068:01 Important: flatpak security update

Date 06 Apr 2021
66
Posted By LinuxSecurity Advisories
An update for flatpak is now available for Red Hat Enterprise Linux 8. 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
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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: flatpak security update
Advisory ID:       RHSA-2021:1068-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:1068
Issue date:        2021-04-06
CVE Names:         CVE-2021-21381 
=====================================================================

1. Summary:

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

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 (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

3. Description:

Flatpak is a system for building, distributing, and running sandboxed
desktop applications on Linux.

Security Fix(es):

* flatpak: "file forwarding" feature can be used to gain unprivileged
access to files (CVE-2021-21381)

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

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

1936985 - CVE-2021-21381 flatpak: "file forwarding" feature can be used to gain unprivileged access to files

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
flatpak-1.6.2-6.el8_3.src.rpm

aarch64:
flatpak-1.6.2-6.el8_3.aarch64.rpm
flatpak-debuginfo-1.6.2-6.el8_3.aarch64.rpm
flatpak-debugsource-1.6.2-6.el8_3.aarch64.rpm
flatpak-libs-1.6.2-6.el8_3.aarch64.rpm
flatpak-libs-debuginfo-1.6.2-6.el8_3.aarch64.rpm
flatpak-session-helper-1.6.2-6.el8_3.aarch64.rpm
flatpak-session-helper-debuginfo-1.6.2-6.el8_3.aarch64.rpm
flatpak-tests-debuginfo-1.6.2-6.el8_3.aarch64.rpm

noarch:
flatpak-selinux-1.6.2-6.el8_3.noarch.rpm

ppc64le:
flatpak-1.6.2-6.el8_3.ppc64le.rpm
flatpak-debuginfo-1.6.2-6.el8_3.ppc64le.rpm
flatpak-debugsource-1.6.2-6.el8_3.ppc64le.rpm
flatpak-libs-1.6.2-6.el8_3.ppc64le.rpm
flatpak-libs-debuginfo-1.6.2-6.el8_3.ppc64le.rpm
flatpak-session-helper-1.6.2-6.el8_3.ppc64le.rpm
flatpak-session-helper-debuginfo-1.6.2-6.el8_3.ppc64le.rpm
flatpak-tests-debuginfo-1.6.2-6.el8_3.ppc64le.rpm

s390x:
flatpak-1.6.2-6.el8_3.s390x.rpm
flatpak-debuginfo-1.6.2-6.el8_3.s390x.rpm
flatpak-debugsource-1.6.2-6.el8_3.s390x.rpm
flatpak-libs-1.6.2-6.el8_3.s390x.rpm
flatpak-libs-debuginfo-1.6.2-6.el8_3.s390x.rpm
flatpak-session-helper-1.6.2-6.el8_3.s390x.rpm
flatpak-session-helper-debuginfo-1.6.2-6.el8_3.s390x.rpm
flatpak-tests-debuginfo-1.6.2-6.el8_3.s390x.rpm

x86_64:
flatpak-1.6.2-6.el8_3.x86_64.rpm
flatpak-debuginfo-1.6.2-6.el8_3.i686.rpm
flatpak-debuginfo-1.6.2-6.el8_3.x86_64.rpm
flatpak-debugsource-1.6.2-6.el8_3.i686.rpm
flatpak-debugsource-1.6.2-6.el8_3.x86_64.rpm
flatpak-libs-1.6.2-6.el8_3.i686.rpm
flatpak-libs-1.6.2-6.el8_3.x86_64.rpm
flatpak-libs-debuginfo-1.6.2-6.el8_3.i686.rpm
flatpak-libs-debuginfo-1.6.2-6.el8_3.x86_64.rpm
flatpak-session-helper-1.6.2-6.el8_3.x86_64.rpm
flatpak-session-helper-debuginfo-1.6.2-6.el8_3.i686.rpm
flatpak-session-helper-debuginfo-1.6.2-6.el8_3.x86_64.rpm
flatpak-tests-debuginfo-1.6.2-6.el8_3.i686.rpm
flatpak-tests-debuginfo-1.6.2-6.el8_3.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-2021-21381
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
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