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RedHat: RHSA-2019-2978 Important: Polkit Auth Hijacking Threat

red hat
Calendar Grey October 8, 2019
Dist Redhat Esm H88
A significant polkit security patch has been made available for Red Hat Enterprise Linux, outlining the identified security flaw along with the corrective measures.
An update for polkit is now available for Red Hat Enterprise Linux 7.5 Extended 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

Summary

The polkit packages provide a component for controlling system-wide privileges. This component provides a uniform and organized way for non-privileged processes to communicate with privileged ones.
Security Fix(es):
* polkit: Temporary auth hijacking via PID reuse and non-atomic fork (CVE-2019-6133)
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 Enterprise Linux important update polkit EUS auth hijacking

References

https://access.redhat.com/security/cve/CVE-2019-6133 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux ComputeNode EUS (v. 7.5):
Source: polkit-0.112-14.el7_5.1.src.rpm
x86_64: polkit-0.112-14.el7_5.1.i686.rpm polkit-0.112-14.el7_5.1.x86_64.rpm polkit-debuginfo-0.112-14.el7_5.1.i686.rpm polkit-debuginfo-0.112-14.el7_5.1.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5):
noarch: polkit-docs-0.112-14.el7_5.1.noarch.rpm
x86_64: polkit-debuginfo-0.112-14.el7_5.1.i686.rpm polkit-debuginfo-0.112-14.el7_5.1.x86_64.rpm polkit-devel-0.112-14.el7_5.1.i686.rpm polkit-devel-0.112-14.el7_5.1.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.5):
Source: polkit-0.112-14.el7_5.1.src.rpm
noarch: polkit-docs-0.112-14.el7_5.1.noarch.rpm
ppc64: polkit-0.112-14.el7_5.1.ppc.rpm polkit-0.112-14.el7_5.1.ppc64.rpm polkit-debuginfo-0.112-14.el7_5.1.ppc.rpm polkit-debuginfo-0.112-14.el7_5.1.ppc64.rpm polkit-devel-0.112-14.el7_5.1.ppc.rpm polkit-devel-0.112-14.el7_5.1.ppc64.rpm
ppc64le: polkit-0.112-14.el7_5.1.ppc64le.rpm polkit-debuginfo-0.112-14.el7_5.1.ppc64le.rpm polkit-devel-0.112-14.el7_5.1.ppc64le.rpm
s390x: polkit-0.112-14.el7_5.1.s390.rpm polkit-0.112-14.el7_5.1.s390x.rpm polkit-debuginfo-0.112-14.el7_5.1.s390.rpm polkit-debuginfo-0.112-14.el7_5.1.s390x.rpm polkit-devel-0.112-14.el7_5.1.s390.rpm polkit-devel-0.112-14.el7_5.1.s390x.rpm
x86_64:

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:2978-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2978
Issue date: 2019-10-08

Topic

An update for polkit is now available for Red Hat Enterprise Linux 7.5Extended 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 Enterprise Linux important update polkit EUS auth hijacking

Relevant Releases Architectures

Red Hat Enterprise Linux ComputeNode EUS (v. 7.5) - x86_64

Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5) - noarch, x86_64

Red Hat Enterprise Linux Server EUS (v. 7.5) - noarch, ppc64, ppc64le, s390x, x86_64

Bugs Fixed

1664212 - CVE-2019-6133 polkit: Temporary auth hijacking via PID reuse and non-atomic fork

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