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Red Hat Security Advisory 2020-3014-01

Red Hat Security Advisory 2020-3014-01
Posted Jul 21, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-3014-01 - D-Bus is a system for sending messages between applications. It is used both for the system-wide message bus service, and as a per-user-login-session messaging facility. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2020-12049
SHA-256 | bfd1d50e88455f8cc817c44e67d5141727d322b4c284854a71f2d22c88fa7005

Red Hat Security Advisory 2020-3014-01

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

Synopsis: Important: dbus security update
Advisory ID: RHSA-2020:3014-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:3014
Issue date: 2020-07-21
CVE Names: CVE-2020-12049
====================================================================
1. Summary:

An update for dbus 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, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

3. Description:

D-Bus is a system for sending messages between applications. It is used
both for the system-wide message bus service, and as a
per-user-login-session messaging facility.

Security Fix(es):

* dbus: denial of service via file descriptor leak (CVE-2020-12049)

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

For the update to take effect, all running instances of dbus-daemon and all
running applications using the libdbus library must be restarted, or the
system rebooted.

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

1849041 - CVE-2020-12049 dbus: denial of service via file descriptor leak

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

aarch64:
dbus-daemon-debuginfo-1.12.8-10.el8_2.aarch64.rpm
dbus-debuginfo-1.12.8-10.el8_2.aarch64.rpm
dbus-debugsource-1.12.8-10.el8_2.aarch64.rpm
dbus-devel-1.12.8-10.el8_2.aarch64.rpm
dbus-libs-debuginfo-1.12.8-10.el8_2.aarch64.rpm
dbus-tests-debuginfo-1.12.8-10.el8_2.aarch64.rpm
dbus-tools-debuginfo-1.12.8-10.el8_2.aarch64.rpm
dbus-x11-1.12.8-10.el8_2.aarch64.rpm
dbus-x11-debuginfo-1.12.8-10.el8_2.aarch64.rpm

ppc64le:
dbus-daemon-debuginfo-1.12.8-10.el8_2.ppc64le.rpm
dbus-debuginfo-1.12.8-10.el8_2.ppc64le.rpm
dbus-debugsource-1.12.8-10.el8_2.ppc64le.rpm
dbus-devel-1.12.8-10.el8_2.ppc64le.rpm
dbus-libs-debuginfo-1.12.8-10.el8_2.ppc64le.rpm
dbus-tests-debuginfo-1.12.8-10.el8_2.ppc64le.rpm
dbus-tools-debuginfo-1.12.8-10.el8_2.ppc64le.rpm
dbus-x11-1.12.8-10.el8_2.ppc64le.rpm
dbus-x11-debuginfo-1.12.8-10.el8_2.ppc64le.rpm

s390x:
dbus-daemon-debuginfo-1.12.8-10.el8_2.s390x.rpm
dbus-debuginfo-1.12.8-10.el8_2.s390x.rpm
dbus-debugsource-1.12.8-10.el8_2.s390x.rpm
dbus-devel-1.12.8-10.el8_2.s390x.rpm
dbus-libs-debuginfo-1.12.8-10.el8_2.s390x.rpm
dbus-tests-debuginfo-1.12.8-10.el8_2.s390x.rpm
dbus-tools-debuginfo-1.12.8-10.el8_2.s390x.rpm
dbus-x11-1.12.8-10.el8_2.s390x.rpm
dbus-x11-debuginfo-1.12.8-10.el8_2.s390x.rpm

x86_64:
dbus-daemon-debuginfo-1.12.8-10.el8_2.i686.rpm
dbus-daemon-debuginfo-1.12.8-10.el8_2.x86_64.rpm
dbus-debuginfo-1.12.8-10.el8_2.i686.rpm
dbus-debuginfo-1.12.8-10.el8_2.x86_64.rpm
dbus-debugsource-1.12.8-10.el8_2.i686.rpm
dbus-debugsource-1.12.8-10.el8_2.x86_64.rpm
dbus-devel-1.12.8-10.el8_2.i686.rpm
dbus-devel-1.12.8-10.el8_2.x86_64.rpm
dbus-libs-debuginfo-1.12.8-10.el8_2.i686.rpm
dbus-libs-debuginfo-1.12.8-10.el8_2.x86_64.rpm
dbus-tests-debuginfo-1.12.8-10.el8_2.i686.rpm
dbus-tests-debuginfo-1.12.8-10.el8_2.x86_64.rpm
dbus-tools-debuginfo-1.12.8-10.el8_2.i686.rpm
dbus-tools-debuginfo-1.12.8-10.el8_2.x86_64.rpm
dbus-x11-1.12.8-10.el8_2.x86_64.rpm
dbus-x11-debuginfo-1.12.8-10.el8_2.i686.rpm
dbus-x11-debuginfo-1.12.8-10.el8_2.x86_64.rpm

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
dbus-1.12.8-10.el8_2.src.rpm

aarch64:
dbus-1.12.8-10.el8_2.aarch64.rpm
dbus-daemon-1.12.8-10.el8_2.aarch64.rpm
dbus-daemon-debuginfo-1.12.8-10.el8_2.aarch64.rpm
dbus-debuginfo-1.12.8-10.el8_2.aarch64.rpm
dbus-debugsource-1.12.8-10.el8_2.aarch64.rpm
dbus-libs-1.12.8-10.el8_2.aarch64.rpm
dbus-libs-debuginfo-1.12.8-10.el8_2.aarch64.rpm
dbus-tests-debuginfo-1.12.8-10.el8_2.aarch64.rpm
dbus-tools-1.12.8-10.el8_2.aarch64.rpm
dbus-tools-debuginfo-1.12.8-10.el8_2.aarch64.rpm
dbus-x11-debuginfo-1.12.8-10.el8_2.aarch64.rpm

noarch:
dbus-common-1.12.8-10.el8_2.noarch.rpm

ppc64le:
dbus-1.12.8-10.el8_2.ppc64le.rpm
dbus-daemon-1.12.8-10.el8_2.ppc64le.rpm
dbus-daemon-debuginfo-1.12.8-10.el8_2.ppc64le.rpm
dbus-debuginfo-1.12.8-10.el8_2.ppc64le.rpm
dbus-debugsource-1.12.8-10.el8_2.ppc64le.rpm
dbus-libs-1.12.8-10.el8_2.ppc64le.rpm
dbus-libs-debuginfo-1.12.8-10.el8_2.ppc64le.rpm
dbus-tests-debuginfo-1.12.8-10.el8_2.ppc64le.rpm
dbus-tools-1.12.8-10.el8_2.ppc64le.rpm
dbus-tools-debuginfo-1.12.8-10.el8_2.ppc64le.rpm
dbus-x11-debuginfo-1.12.8-10.el8_2.ppc64le.rpm

s390x:
dbus-1.12.8-10.el8_2.s390x.rpm
dbus-daemon-1.12.8-10.el8_2.s390x.rpm
dbus-daemon-debuginfo-1.12.8-10.el8_2.s390x.rpm
dbus-debuginfo-1.12.8-10.el8_2.s390x.rpm
dbus-debugsource-1.12.8-10.el8_2.s390x.rpm
dbus-libs-1.12.8-10.el8_2.s390x.rpm
dbus-libs-debuginfo-1.12.8-10.el8_2.s390x.rpm
dbus-tests-debuginfo-1.12.8-10.el8_2.s390x.rpm
dbus-tools-1.12.8-10.el8_2.s390x.rpm
dbus-tools-debuginfo-1.12.8-10.el8_2.s390x.rpm
dbus-x11-debuginfo-1.12.8-10.el8_2.s390x.rpm

x86_64:
dbus-1.12.8-10.el8_2.x86_64.rpm
dbus-daemon-1.12.8-10.el8_2.x86_64.rpm
dbus-daemon-debuginfo-1.12.8-10.el8_2.i686.rpm
dbus-daemon-debuginfo-1.12.8-10.el8_2.x86_64.rpm
dbus-debuginfo-1.12.8-10.el8_2.i686.rpm
dbus-debuginfo-1.12.8-10.el8_2.x86_64.rpm
dbus-debugsource-1.12.8-10.el8_2.i686.rpm
dbus-debugsource-1.12.8-10.el8_2.x86_64.rpm
dbus-libs-1.12.8-10.el8_2.i686.rpm
dbus-libs-1.12.8-10.el8_2.x86_64.rpm
dbus-libs-debuginfo-1.12.8-10.el8_2.i686.rpm
dbus-libs-debuginfo-1.12.8-10.el8_2.x86_64.rpm
dbus-tests-debuginfo-1.12.8-10.el8_2.i686.rpm
dbus-tests-debuginfo-1.12.8-10.el8_2.x86_64.rpm
dbus-tools-1.12.8-10.el8_2.x86_64.rpm
dbus-tools-debuginfo-1.12.8-10.el8_2.i686.rpm
dbus-tools-debuginfo-1.12.8-10.el8_2.x86_64.rpm
dbus-x11-debuginfo-1.12.8-10.el8_2.i686.rpm
dbus-x11-debuginfo-1.12.8-10.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-2020-12049
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.
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