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Red Hat Security Advisory

Synopsis:          Moderate: dbus security update
Advisory ID:       RHSA-2023:0335-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:0335
Issue date:        2023-01-23
CVE Names:         CVE-2022-42010 CVE-2022-42011 CVE-2022-42012
====================================================================
1. Summary:

An update for dbus is now available for Red Hat Enterprise Linux 9.

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 AppStream (v. 9) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS (v. 9) - 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: dbus-daemon crashes when receiving message with incorrectly nested
parentheses and curly brackets (CVE-2022-42010)

* dbus: dbus-daemon can be crashed by messages with array length
inconsistent with element type (CVE-2022-42011)

* dbus: `_dbus_marshal_byteswap` doesn't process fds in messages with
"foreign" endianness correctly (CVE-2022-42012)

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/):

2133616 - CVE-2022-42010 dbus: dbus-daemon crashes when receiving message with incorrectly nested parentheses and curly brackets
2133617 - CVE-2022-42011 dbus: dbus-daemon can be crashed by messages with array length inconsistent with element type
2133618 - CVE-2022-42012 dbus: `_dbus_marshal_byteswap` doesn't process fds in messages with "foreign" endianness correctly

6. Package List:

Red Hat Enterprise Linux AppStream (v. 9):

aarch64:
dbus-daemon-1.12.20-7.el9_1.aarch64.rpm
dbus-daemon-debuginfo-1.12.20-7.el9_1.aarch64.rpm
dbus-debuginfo-1.12.20-7.el9_1.aarch64.rpm
dbus-debugsource-1.12.20-7.el9_1.aarch64.rpm
dbus-devel-1.12.20-7.el9_1.aarch64.rpm
dbus-libs-debuginfo-1.12.20-7.el9_1.aarch64.rpm
dbus-tests-debuginfo-1.12.20-7.el9_1.aarch64.rpm
dbus-tools-debuginfo-1.12.20-7.el9_1.aarch64.rpm
dbus-x11-1.12.20-7.el9_1.aarch64.rpm
dbus-x11-debuginfo-1.12.20-7.el9_1.aarch64.rpm

ppc64le:
dbus-daemon-1.12.20-7.el9_1.ppc64le.rpm
dbus-daemon-debuginfo-1.12.20-7.el9_1.ppc64le.rpm
dbus-debuginfo-1.12.20-7.el9_1.ppc64le.rpm
dbus-debugsource-1.12.20-7.el9_1.ppc64le.rpm
dbus-devel-1.12.20-7.el9_1.ppc64le.rpm
dbus-libs-debuginfo-1.12.20-7.el9_1.ppc64le.rpm
dbus-tests-debuginfo-1.12.20-7.el9_1.ppc64le.rpm
dbus-tools-debuginfo-1.12.20-7.el9_1.ppc64le.rpm
dbus-x11-1.12.20-7.el9_1.ppc64le.rpm
dbus-x11-debuginfo-1.12.20-7.el9_1.ppc64le.rpm

s390x:
dbus-daemon-1.12.20-7.el9_1.s390x.rpm
dbus-daemon-debuginfo-1.12.20-7.el9_1.s390x.rpm
dbus-debuginfo-1.12.20-7.el9_1.s390x.rpm
dbus-debugsource-1.12.20-7.el9_1.s390x.rpm
dbus-devel-1.12.20-7.el9_1.s390x.rpm
dbus-libs-debuginfo-1.12.20-7.el9_1.s390x.rpm
dbus-tests-debuginfo-1.12.20-7.el9_1.s390x.rpm
dbus-tools-debuginfo-1.12.20-7.el9_1.s390x.rpm
dbus-x11-1.12.20-7.el9_1.s390x.rpm
dbus-x11-debuginfo-1.12.20-7.el9_1.s390x.rpm

x86_64:
dbus-daemon-1.12.20-7.el9_1.x86_64.rpm
dbus-daemon-debuginfo-1.12.20-7.el9_1.i686.rpm
dbus-daemon-debuginfo-1.12.20-7.el9_1.x86_64.rpm
dbus-debuginfo-1.12.20-7.el9_1.i686.rpm
dbus-debuginfo-1.12.20-7.el9_1.x86_64.rpm
dbus-debugsource-1.12.20-7.el9_1.i686.rpm
dbus-debugsource-1.12.20-7.el9_1.x86_64.rpm
dbus-devel-1.12.20-7.el9_1.i686.rpm
dbus-devel-1.12.20-7.el9_1.x86_64.rpm
dbus-libs-debuginfo-1.12.20-7.el9_1.i686.rpm
dbus-libs-debuginfo-1.12.20-7.el9_1.x86_64.rpm
dbus-tests-debuginfo-1.12.20-7.el9_1.i686.rpm
dbus-tests-debuginfo-1.12.20-7.el9_1.x86_64.rpm
dbus-tools-debuginfo-1.12.20-7.el9_1.i686.rpm
dbus-tools-debuginfo-1.12.20-7.el9_1.x86_64.rpm
dbus-x11-1.12.20-7.el9_1.x86_64.rpm
dbus-x11-debuginfo-1.12.20-7.el9_1.i686.rpm
dbus-x11-debuginfo-1.12.20-7.el9_1.x86_64.rpm

Red Hat Enterprise Linux BaseOS (v. 9):

Source:
dbus-1.12.20-7.el9_1.src.rpm

aarch64:
dbus-1.12.20-7.el9_1.aarch64.rpm
dbus-daemon-debuginfo-1.12.20-7.el9_1.aarch64.rpm
dbus-debuginfo-1.12.20-7.el9_1.aarch64.rpm
dbus-debugsource-1.12.20-7.el9_1.aarch64.rpm
dbus-libs-1.12.20-7.el9_1.aarch64.rpm
dbus-libs-debuginfo-1.12.20-7.el9_1.aarch64.rpm
dbus-tests-debuginfo-1.12.20-7.el9_1.aarch64.rpm
dbus-tools-1.12.20-7.el9_1.aarch64.rpm
dbus-tools-debuginfo-1.12.20-7.el9_1.aarch64.rpm
dbus-x11-debuginfo-1.12.20-7.el9_1.aarch64.rpm

noarch:
dbus-common-1.12.20-7.el9_1.noarch.rpm

ppc64le:
dbus-1.12.20-7.el9_1.ppc64le.rpm
dbus-daemon-debuginfo-1.12.20-7.el9_1.ppc64le.rpm
dbus-debuginfo-1.12.20-7.el9_1.ppc64le.rpm
dbus-debugsource-1.12.20-7.el9_1.ppc64le.rpm
dbus-libs-1.12.20-7.el9_1.ppc64le.rpm
dbus-libs-debuginfo-1.12.20-7.el9_1.ppc64le.rpm
dbus-tests-debuginfo-1.12.20-7.el9_1.ppc64le.rpm
dbus-tools-1.12.20-7.el9_1.ppc64le.rpm
dbus-tools-debuginfo-1.12.20-7.el9_1.ppc64le.rpm
dbus-x11-debuginfo-1.12.20-7.el9_1.ppc64le.rpm

s390x:
dbus-1.12.20-7.el9_1.s390x.rpm
dbus-daemon-debuginfo-1.12.20-7.el9_1.s390x.rpm
dbus-debuginfo-1.12.20-7.el9_1.s390x.rpm
dbus-debugsource-1.12.20-7.el9_1.s390x.rpm
dbus-libs-1.12.20-7.el9_1.s390x.rpm
dbus-libs-debuginfo-1.12.20-7.el9_1.s390x.rpm
dbus-tests-debuginfo-1.12.20-7.el9_1.s390x.rpm
dbus-tools-1.12.20-7.el9_1.s390x.rpm
dbus-tools-debuginfo-1.12.20-7.el9_1.s390x.rpm
dbus-x11-debuginfo-1.12.20-7.el9_1.s390x.rpm

x86_64:
dbus-1.12.20-7.el9_1.x86_64.rpm
dbus-daemon-debuginfo-1.12.20-7.el9_1.i686.rpm
dbus-daemon-debuginfo-1.12.20-7.el9_1.x86_64.rpm
dbus-debuginfo-1.12.20-7.el9_1.i686.rpm
dbus-debuginfo-1.12.20-7.el9_1.x86_64.rpm
dbus-debugsource-1.12.20-7.el9_1.i686.rpm
dbus-debugsource-1.12.20-7.el9_1.x86_64.rpm
dbus-libs-1.12.20-7.el9_1.i686.rpm
dbus-libs-1.12.20-7.el9_1.x86_64.rpm
dbus-libs-debuginfo-1.12.20-7.el9_1.i686.rpm
dbus-libs-debuginfo-1.12.20-7.el9_1.x86_64.rpm
dbus-tests-debuginfo-1.12.20-7.el9_1.i686.rpm
dbus-tests-debuginfo-1.12.20-7.el9_1.x86_64.rpm
dbus-tools-1.12.20-7.el9_1.x86_64.rpm
dbus-tools-debuginfo-1.12.20-7.el9_1.i686.rpm
dbus-tools-debuginfo-1.12.20-7.el9_1.x86_64.rpm
dbus-x11-debuginfo-1.12.20-7.el9_1.i686.rpm
dbus-x11-debuginfo-1.12.20-7.el9_1.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-2022-42010
https://access.redhat.com/security/cve/CVE-2022-42011
https://access.redhat.com/security/cve/CVE-2022-42012
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2023 Red Hat, Inc.
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