RedHat: RHSA-2022-6608:01 Moderate: dbus-broker security update
Summary
dbus-broker is an implementation of a message bus as defined by the D-Bus
specification. Its aim is to provide high performance and reliability,
while keeping compatibility to the D-Bus reference implementation. It is
exclusively written for Linux systems, and makes use of many modern
features provided by recent Linux kernel releases.
Security Fix(es):
* dbus-broker: a stack buffer over-read if a malicious Exec line is
supplied (CVE-2022-31212)
* dbus-broker: null pointer reference when supplying a malformed XML config
file (CVE-2022-31213)
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.
Summary
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
References
https://access.redhat.com/security/cve/CVE-2022-31212 https://access.redhat.com/security/cve/CVE-2022-31213 https://access.redhat.com/security/updates/classification/#moderate
Package List
Red Hat Enterprise Linux BaseOS (v. 9):
Source:
dbus-broker-28-5.1.el9_0.src.rpm
aarch64:
dbus-broker-28-5.1.el9_0.aarch64.rpm
dbus-broker-debuginfo-28-5.1.el9_0.aarch64.rpm
dbus-broker-debugsource-28-5.1.el9_0.aarch64.rpm
ppc64le:
dbus-broker-28-5.1.el9_0.ppc64le.rpm
dbus-broker-debuginfo-28-5.1.el9_0.ppc64le.rpm
dbus-broker-debugsource-28-5.1.el9_0.ppc64le.rpm
s390x:
dbus-broker-28-5.1.el9_0.s390x.rpm
dbus-broker-debuginfo-28-5.1.el9_0.s390x.rpm
dbus-broker-debugsource-28-5.1.el9_0.s390x.rpm
x86_64:
dbus-broker-28-5.1.el9_0.x86_64.rpm
dbus-broker-debuginfo-28-5.1.el9_0.x86_64.rpm
dbus-broker-debugsource-28-5.1.el9_0.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/
Topic
An update for dbus-broker is now available for Red Hat Enterprise Linux 9.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux BaseOS (v. 9) - aarch64, ppc64le, s390x, x86_64
Bugs Fixed
2094718 - CVE-2022-31212 dbus-broker: a stack buffer over-read if a malicious Exec line is supplied
2094722 - CVE-2022-31213 dbus-broker: null pointer reference when supplying a malformed XML config file