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Red Hat: RHSA-2019-3707-01 Moderate: Dbus Authentication Bypass

red hat
Calendar Grey November 5, 2019
Scroller Redhat
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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 Moderate

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.

Summary

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 8.1 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory security update Red Hat update authentication bypass Moderate dbus

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/8/html/8.1_release_notes/

Package List

Red Hat Enterprise Linux AppStream (v. 8):
aarch64: dbus-daemon-debuginfo-1.12.8-9.el8.aarch64.rpm dbus-debuginfo-1.12.8-9.el8.aarch64.rpm dbus-debugsource-1.12.8-9.el8.aarch64.rpm dbus-devel-1.12.8-9.el8.aarch64.rpm dbus-libs-debuginfo-1.12.8-9.el8.aarch64.rpm dbus-tests-debuginfo-1.12.8-9.el8.aarch64.rpm dbus-tools-debuginfo-1.12.8-9.el8.aarch64.rpm dbus-x11-1.12.8-9.el8.aarch64.rpm dbus-x11-debuginfo-1.12.8-9.el8.aarch64.rpm
ppc64le: dbus-daemon-debuginfo-1.12.8-9.el8.ppc64le.rpm dbus-debuginfo-1.12.8-9.el8.ppc64le.rpm dbus-debugsource-1.12.8-9.el8.ppc64le.rpm dbus-devel-1.12.8-9.el8.ppc64le.rpm dbus-libs-debuginfo-1.12.8-9.el8.ppc64le.rpm dbus-tests-debuginfo-1.12.8-9.el8.ppc64le.rpm dbus-tools-debuginfo-1.12.8-9.el8.ppc64le.rpm dbus-x11-1.12.8-9.el8.ppc64le.rpm dbus-x11-debuginfo-1.12.8-9.el8.ppc64le.rpm
s390x: dbus-daemon-debuginfo-1.12.8-9.el8.s390x.rpm dbus-debuginfo-1.12.8-9.el8.s390x.rpm dbus-debugsource-1.12.8-9.el8.s390x.rpm dbus-devel-1.12.8-9.el8.s390x.rpm dbus-libs-debuginfo-1.12.8-9.el8.s390x.rpm dbus-tests-debuginfo-1.12.8-9.el8.s390x.rpm dbus-tools-debuginfo-1.12.8-9.el8.s390x.rpm dbus-x11-1.12.8-9.el8.s390x.rpm dbus-x11-debuginfo-1.12.8-9.el8.s390x.rpm
x86_64: dbus-daemon-debuginfo-1.12.8-9.el8.i686.rpm

Read the Full Advisory


Advisory ID: RHSA-2019:3707-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3707
Issue date: 2019-11-05

Topic

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 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.

Topics%20covered

Topics Covered

security advisory security update Red Hat update authentication bypass Moderate dbus

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

Bugs Fixed

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

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