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RedHat: RHSA-2019-0832-01 Important: Polkit Auth Hijacking Fix

red hat
Calendar Grey April 23, 2019
Dist Redhat Esm H88
Crucial polkit security patch for Red Hat Enterprise Linux 6.6 mitigates authentication bypass vulnerabilities successfully.
An update for polkit is now available for Red Hat Enterprise Linux 6.6 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

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 security update Red Hat important polkit auth hijacking system privileges

References

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

Package List

Red Hat Enterprise Linux Server AUS (v. 6.6):
Source: polkit-0.96-7.el6_6.1.src.rpm
noarch: polkit-desktop-policy-0.96-7.el6_6.1.noarch.rpm
x86_64: polkit-0.96-7.el6_6.1.i686.rpm polkit-0.96-7.el6_6.1.x86_64.rpm polkit-debuginfo-0.96-7.el6_6.1.i686.rpm polkit-debuginfo-0.96-7.el6_6.1.x86_64.rpm polkit-devel-0.96-7.el6_6.1.i686.rpm polkit-devel-0.96-7.el6_6.1.x86_64.rpm polkit-docs-0.96-7.el6_6.1.x86_64.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-2019:0832-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:0832
Issue date: 2019-04-23

Topic

An update for polkit is now available for Red Hat Enterprise Linux 6.6Advanced 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 security update Red Hat important polkit auth hijacking system privileges

Relevant Releases Architectures

Red Hat Enterprise Linux Server AUS (v. 6.6) - noarch, x86_64

Bugs Fixed

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

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