[RHSA-2020:4032-01] Moderate: dbus security update

Security announcements for all Red Hat products and services. rhsa-announce at redhat.com
Tue Sep 29 21:07:07 UTC 2020 

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

Synopsis:          Moderate: dbus security update
Advisory ID:       RHSA-2020:4032-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:4032
Issue date:        2020-09-29
CVE Names:         CVE-2019-12749 
=====================================================================

1. Summary:

An update for dbus is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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 Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - noarch, 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: DBusServer DBUS_COOKIE_SHA1 authentication bypass (CVE-2019-12749)

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 7.9 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

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/):

1719344 - CVE-2019-12749 dbus: DBusServer DBUS_COOKIE_SHA1 authentication bypass

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
dbus-1.10.24-15.el7.src.rpm

x86_64:
dbus-1.10.24-15.el7.x86_64.rpm
dbus-debuginfo-1.10.24-15.el7.i686.rpm
dbus-debuginfo-1.10.24-15.el7.x86_64.rpm
dbus-libs-1.10.24-15.el7.i686.rpm
dbus-libs-1.10.24-15.el7.x86_64.rpm
dbus-x11-1.10.24-15.el7.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

noarch:
dbus-doc-1.10.24-15.el7.noarch.rpm

x86_64:
dbus-debuginfo-1.10.24-15.el7.i686.rpm
dbus-debuginfo-1.10.24-15.el7.x86_64.rpm
dbus-devel-1.10.24-15.el7.i686.rpm
dbus-devel-1.10.24-15.el7.x86_64.rpm
dbus-tests-1.10.24-15.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
dbus-1.10.24-15.el7.src.rpm

x86_64:
dbus-1.10.24-15.el7.x86_64.rpm
dbus-debuginfo-1.10.24-15.el7.i686.rpm
dbus-debuginfo-1.10.24-15.el7.x86_64.rpm
dbus-libs-1.10.24-15.el7.i686.rpm
dbus-libs-1.10.24-15.el7.x86_64.rpm
dbus-x11-1.10.24-15.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

noarch:
dbus-doc-1.10.24-15.el7.noarch.rpm

x86_64:
dbus-debuginfo-1.10.24-15.el7.i686.rpm
dbus-debuginfo-1.10.24-15.el7.x86_64.rpm
dbus-devel-1.10.24-15.el7.i686.rpm
dbus-devel-1.10.24-15.el7.x86_64.rpm
dbus-tests-1.10.24-15.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
dbus-1.10.24-15.el7.src.rpm

ppc64:
dbus-1.10.24-15.el7.ppc64.rpm
dbus-debuginfo-1.10.24-15.el7.ppc.rpm
dbus-debuginfo-1.10.24-15.el7.ppc64.rpm
dbus-devel-1.10.24-15.el7.ppc.rpm
dbus-devel-1.10.24-15.el7.ppc64.rpm
dbus-libs-1.10.24-15.el7.ppc.rpm
dbus-libs-1.10.24-15.el7.ppc64.rpm
dbus-x11-1.10.24-15.el7.ppc64.rpm

ppc64le:
dbus-1.10.24-15.el7.ppc64le.rpm
dbus-debuginfo-1.10.24-15.el7.ppc64le.rpm
dbus-devel-1.10.24-15.el7.ppc64le.rpm
dbus-libs-1.10.24-15.el7.ppc64le.rpm
dbus-x11-1.10.24-15.el7.ppc64le.rpm

s390x:
dbus-1.10.24-15.el7.s390x.rpm
dbus-debuginfo-1.10.24-15.el7.s390.rpm
dbus-debuginfo-1.10.24-15.el7.s390x.rpm
dbus-devel-1.10.24-15.el7.s390.rpm
dbus-devel-1.10.24-15.el7.s390x.rpm
dbus-libs-1.10.24-15.el7.s390.rpm
dbus-libs-1.10.24-15.el7.s390x.rpm
dbus-x11-1.10.24-15.el7.s390x.rpm

x86_64:
dbus-1.10.24-15.el7.x86_64.rpm
dbus-debuginfo-1.10.24-15.el7.i686.rpm
dbus-debuginfo-1.10.24-15.el7.x86_64.rpm
dbus-devel-1.10.24-15.el7.i686.rpm
dbus-devel-1.10.24-15.el7.x86_64.rpm
dbus-libs-1.10.24-15.el7.i686.rpm
dbus-libs-1.10.24-15.el7.x86_64.rpm
dbus-x11-1.10.24-15.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

noarch:
dbus-doc-1.10.24-15.el7.noarch.rpm

ppc64:
dbus-debuginfo-1.10.24-15.el7.ppc64.rpm
dbus-tests-1.10.24-15.el7.ppc64.rpm

ppc64le:
dbus-debuginfo-1.10.24-15.el7.ppc64le.rpm
dbus-tests-1.10.24-15.el7.ppc64le.rpm

s390x:
dbus-debuginfo-1.10.24-15.el7.s390x.rpm
dbus-tests-1.10.24-15.el7.s390x.rpm

x86_64:
dbus-debuginfo-1.10.24-15.el7.x86_64.rpm
dbus-tests-1.10.24-15.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
dbus-1.10.24-15.el7.src.rpm

x86_64:
dbus-1.10.24-15.el7.x86_64.rpm
dbus-debuginfo-1.10.24-15.el7.i686.rpm
dbus-debuginfo-1.10.24-15.el7.x86_64.rpm
dbus-devel-1.10.24-15.el7.i686.rpm
dbus-devel-1.10.24-15.el7.x86_64.rpm
dbus-libs-1.10.24-15.el7.i686.rpm
dbus-libs-1.10.24-15.el7.x86_64.rpm
dbus-x11-1.10.24-15.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

noarch:
dbus-doc-1.10.24-15.el7.noarch.rpm

x86_64:
dbus-debuginfo-1.10.24-15.el7.x86_64.rpm
dbus-tests-1.10.24-15.el7.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-2019-12749
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.9_release_notes/index

8. Contact:

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

Copyright 2020 Red Hat, Inc.
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