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RedHat: RHSA-2019-2046-01 Moderate: Polkit Authentication Bypass

red hat
Calendar Grey August 6, 2019
Dist Redhat Esm H88
A recent polkit update resolves moderate severity security vulnerabilities impacting RHEL 7. Comprehensive information on potential consequences and remedial measures provided.
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: Improper handling of user with uid > INT_MAX leading to authentication bypass (CVE-2018-19788)
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 7.7 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate red hat enterprise authentication bypass polkit

References

https://access.redhat.com/security/cve/CVE-2018-19788 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.7_release_notes/index

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: polkit-0.112-22.el7.src.rpm
x86_64: polkit-0.112-22.el7.i686.rpm polkit-0.112-22.el7.x86_64.rpm polkit-debuginfo-0.112-22.el7.i686.rpm polkit-debuginfo-0.112-22.el7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
noarch: polkit-docs-0.112-22.el7.noarch.rpm
x86_64: polkit-debuginfo-0.112-22.el7.i686.rpm polkit-debuginfo-0.112-22.el7.x86_64.rpm polkit-devel-0.112-22.el7.i686.rpm polkit-devel-0.112-22.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: polkit-0.112-22.el7.src.rpm
x86_64: polkit-0.112-22.el7.i686.rpm polkit-0.112-22.el7.x86_64.rpm polkit-debuginfo-0.112-22.el7.i686.rpm polkit-debuginfo-0.112-22.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
noarch: polkit-docs-0.112-22.el7.noarch.rpm
x86_64: polkit-debuginfo-0.112-22.el7.i686.rpm polkit-debuginfo-0.112-22.el7.x86_64.rpm polkit-devel-0.112-22.el7.i686.rpm polkit-devel-0.112-22.el7.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: polkit-0.112-22.el7.src.rpm
noarch: polkit-docs-0.112-22.el7.noarch.rpm
ppc64: polkit-0.112-22.el7.ppc.rpm polkit-0.112-22.el7.ppc64.rpm polkit-debuginfo-0.112-22.el7.ppc.rpm polkit-debuginfo-0.112-22.el7.ppc64.rpm polkit-devel-0.112-22.el7.ppc.rpm polkit-devel-0.112-22.el7.ppc64.rpm


Read the Full Advisory


Advisory ID: RHSA-2019:2046-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2046
Issue date: 2019-08-06

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 Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate red hat enterprise authentication bypass polkit

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

Bugs Fixed

1655925 - CVE-2018-19788 polkit: Improper handling of user with uid > INT_MAX leading to authentication bypass

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