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Red Hat Enterprise Linux 6.5 RHSA-2019-2870-01 Important: Dbus Auth Bypass

red hat
Calendar Grey September 23, 2019
Dist Redhat Esm H88
Strengthen protection with the latest updates from Red Hat, particularly RHSA-2019-2870-01, which resolves critical authentication bypass vulnerabilities efficiently.
An update for dbus is now available for Red Hat Enterprise Linux 6.5 Advanced Update Support

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.

Topics%20covered

Topics Covered

security advisory Red Hat security impact authentication bypass important update dbus

References

https://access.redhat.com/security/cve/CVE-2019-12749 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux Server AUS (v. 6.5):
Source: dbus-1.2.24-9.el6_5.src.rpm
x86_64: dbus-1.2.24-9.el6_5.x86_64.rpm dbus-debuginfo-1.2.24-9.el6_5.i686.rpm dbus-debuginfo-1.2.24-9.el6_5.x86_64.rpm dbus-devel-1.2.24-9.el6_5.i686.rpm dbus-devel-1.2.24-9.el6_5.x86_64.rpm dbus-libs-1.2.24-9.el6_5.i686.rpm dbus-libs-1.2.24-9.el6_5.x86_64.rpm dbus-x11-1.2.24-9.el6_5.x86_64.rpm
Red Hat Enterprise Linux Server Optional AUS (v. 6.5):
Source: dbus-1.2.24-9.el6_5.src.rpm
noarch: dbus-doc-1.2.24-9.el6_5.noarch.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/


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:2870-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2870
Issue date: 2019-09-23

Topic

An update for dbus is now available for Red Hat Enterprise Linux 6.5Advanced Update Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat security impact authentication bypass important update dbus

Relevant Releases Architectures

Red Hat Enterprise Linux Server AUS (v. 6.5) - x86_64

Red Hat Enterprise Linux Server Optional AUS (v. 6.5) - noarch

Bugs Fixed

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

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