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

red hat
Calendar Grey November 5, 2019
Dist Redhat Esm H88
Ubuntu issues significant security patch for OpenSSL addressing potential code execution flaw. Resolution provided.
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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