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AUSCERT External Security Bulletin Redistribution
ESB-2019.3994
polkit security update
30 October 2019
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: polkit
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 7
Red Hat Enterprise Linux WS/Desktop 7
Impact/Access: Increased Privileges -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2018-19788
Reference: ESB-2019.2980
ESB-2019.1374
ESB-2019.0231
ESB-2019.0150
Original Bulletin:
https://access.redhat.com/errata/RHSA-2019:3232
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Red Hat Security Advisory
Synopsis: Moderate: polkit security update
Advisory ID: RHSA-2019:3232-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:3232
Issue date: 2019-10-29
CVE Names: CVE-2018-19788
=====================================================================
1. Summary:
An update for polkit is now available for Red Hat Enterprise Linux 7.6
Extended Update Support.
Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux ComputeNode EUS (v. 7.6) - x86_64
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) - noarch, x86_64
Red Hat Enterprise Linux Server EUS (v. 7.6) - noarch, ppc64, ppc64le, s390x, x86_64
3. Description:
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.
4. 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
5. Bugs fixed (https://bugzilla.redhat.com/):
1655925 - CVE-2018-19788 polkit: Improper handling of user with uid > INT_MAX leading to authentication bypass
6. Package List:
Red Hat Enterprise Linux ComputeNode EUS (v. 7.6):
Source:
polkit-0.112-18.el7_6.2.src.rpm
x86_64:
polkit-0.112-18.el7_6.2.i686.rpm
polkit-0.112-18.el7_6.2.x86_64.rpm
polkit-debuginfo-0.112-18.el7_6.2.i686.rpm
polkit-debuginfo-0.112-18.el7_6.2.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6):
noarch:
polkit-docs-0.112-18.el7_6.2.noarch.rpm
x86_64:
polkit-debuginfo-0.112-18.el7_6.2.i686.rpm
polkit-debuginfo-0.112-18.el7_6.2.x86_64.rpm
polkit-devel-0.112-18.el7_6.2.i686.rpm
polkit-devel-0.112-18.el7_6.2.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.6):
Source:
polkit-0.112-18.el7_6.2.src.rpm
noarch:
polkit-docs-0.112-18.el7_6.2.noarch.rpm
ppc64:
polkit-0.112-18.el7_6.2.ppc.rpm
polkit-0.112-18.el7_6.2.ppc64.rpm
polkit-debuginfo-0.112-18.el7_6.2.ppc.rpm
polkit-debuginfo-0.112-18.el7_6.2.ppc64.rpm
polkit-devel-0.112-18.el7_6.2.ppc.rpm
polkit-devel-0.112-18.el7_6.2.ppc64.rpm
ppc64le:
polkit-0.112-18.el7_6.2.ppc64le.rpm
polkit-debuginfo-0.112-18.el7_6.2.ppc64le.rpm
polkit-devel-0.112-18.el7_6.2.ppc64le.rpm
s390x:
polkit-0.112-18.el7_6.2.s390.rpm
polkit-0.112-18.el7_6.2.s390x.rpm
polkit-debuginfo-0.112-18.el7_6.2.s390.rpm
polkit-debuginfo-0.112-18.el7_6.2.s390x.rpm
polkit-devel-0.112-18.el7_6.2.s390.rpm
polkit-devel-0.112-18.el7_6.2.s390x.rpm
x86_64:
polkit-0.112-18.el7_6.2.i686.rpm
polkit-0.112-18.el7_6.2.x86_64.rpm
polkit-debuginfo-0.112-18.el7_6.2.i686.rpm
polkit-debuginfo-0.112-18.el7_6.2.x86_64.rpm
polkit-devel-0.112-18.el7_6.2.i686.rpm
polkit-devel-0.112-18.el7_6.2.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/
7. References:
https://access.redhat.com/security/cve/CVE-2018-19788
https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2019 Red Hat, Inc.
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