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Red Hat Enterprise Linux 7: RHSA-2019-0230-01 Critical Auth Hijacking Alert

red hat
Calendar Grey January 31, 2019
Dist Redhat Esm H88
Red Hat has published a critical polkit security patch for RHEL 8. Discover the implications and resolution specifics.
An update for polkit is now available for Red Hat Enterprise Linux 7

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, and other related information, refer to the CVE page(s) listed in the References section.
Red Hat would like to thank Jan Rybar (freedesktop.org) for reporting this issue. Upstream acknowledges Jann Horn (Google Project Zero) as the original reporter.

Topics%20covered

Topics Covered

security advisory red hat important polkit 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 Client (v. 7):
Source: polkit-0.112-18.el7_6.1.src.rpm
x86_64: polkit-0.112-18.el7_6.1.i686.rpm polkit-0.112-18.el7_6.1.x86_64.rpm polkit-debuginfo-0.112-18.el7_6.1.i686.rpm polkit-debuginfo-0.112-18.el7_6.1.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
noarch: polkit-docs-0.112-18.el7_6.1.noarch.rpm
x86_64: polkit-debuginfo-0.112-18.el7_6.1.i686.rpm polkit-debuginfo-0.112-18.el7_6.1.x86_64.rpm polkit-devel-0.112-18.el7_6.1.i686.rpm polkit-devel-0.112-18.el7_6.1.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: polkit-0.112-18.el7_6.1.src.rpm
x86_64: polkit-0.112-18.el7_6.1.i686.rpm polkit-0.112-18.el7_6.1.x86_64.rpm polkit-debuginfo-0.112-18.el7_6.1.i686.rpm polkit-debuginfo-0.112-18.el7_6.1.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
noarch: polkit-docs-0.112-18.el7_6.1.noarch.rpm
x86_64: polkit-debuginfo-0.112-18.el7_6.1.i686.rpm polkit-debuginfo-0.112-18.el7_6.1.x86_64.rpm polkit-devel-0.112-18.el7_6.1.i686.rpm polkit-devel-0.112-18.el7_6.1.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: polkit-0.112-18.el7_6.1.src.rpm
noarch: polkit-docs-0.112-18.el7_6.1.noarch.rpm
ppc64: polkit-0.112-18.el7_6.1.ppc.rpm polkit-0.112-18.el7_6.1.ppc64.rpm polkit-debuginfo-0.112-18.el7_6.1.ppc.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2019:0230-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:0230
Issue date: 2019-01-31

Topic

An update for polkit is now available for Red Hat Enterprise Linux 7.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 important polkit auth hijacking

Relevant Releases Architectures

Red Hat Enterprise Linux Client (v. 7) - x86_64

Red Hat Enterprise Linux Client Optional (v. 7) - noarch, x86_64

Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch, x86_64

Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, noarch, ppc64le, s390x

Bugs Fixed

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

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