ESB-2019.0291 - [RedHat] polkit: Increased privileges - Existing account 2019-02-01

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.0291
                     Important: polkit security update
                              1 February 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-2019-6133  

Reference:         ESB-2019.0231

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2019:0230

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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: polkit security update
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
CVE Names:         CVE-2019-6133 
=====================================================================

1. Summary:

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 impact
of Important. 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 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

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: 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.

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/):

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

6. 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
polkit-debuginfo-0.112-18.el7_6.1.ppc64.rpm
polkit-devel-0.112-18.el7_6.1.ppc.rpm
polkit-devel-0.112-18.el7_6.1.ppc64.rpm

ppc64le:
polkit-0.112-18.el7_6.1.ppc64le.rpm
polkit-debuginfo-0.112-18.el7_6.1.ppc64le.rpm
polkit-devel-0.112-18.el7_6.1.ppc64le.rpm

s390x:
polkit-0.112-18.el7_6.1.s390.rpm
polkit-0.112-18.el7_6.1.s390x.rpm
polkit-debuginfo-0.112-18.el7_6.1.s390.rpm
polkit-debuginfo-0.112-18.el7_6.1.s390x.rpm
polkit-devel-0.112-18.el7_6.1.s390.rpm
polkit-devel-0.112-18.el7_6.1.s390x.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
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 for ARM and IBM Power LE (POWER9) Server (v. 7):

Source:
polkit-0.112-18.el7_6.1.src.rpm

aarch64:
polkit-0.112-18.el7_6.1.aarch64.rpm
polkit-debuginfo-0.112-18.el7_6.1.aarch64.rpm
polkit-devel-0.112-18.el7_6.1.aarch64.rpm

noarch:
polkit-docs-0.112-18.el7_6.1.noarch.rpm

ppc64le:
polkit-0.112-18.el7_6.1.ppc64le.rpm
polkit-debuginfo-0.112-18.el7_6.1.ppc64le.rpm
polkit-devel-0.112-18.el7_6.1.ppc64le.rpm

s390x:
polkit-0.112-18.el7_6.1.s390.rpm
polkit-0.112-18.el7_6.1.s390x.rpm
polkit-debuginfo-0.112-18.el7_6.1.s390.rpm
polkit-debuginfo-0.112-18.el7_6.1.s390x.rpm
polkit-devel-0.112-18.el7_6.1.s390.rpm
polkit-devel-0.112-18.el7_6.1.s390x.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
polkit-0.112-18.el7_6.1.src.rpm

noarch:
polkit-docs-0.112-18.el7_6.1.noarch.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
polkit-devel-0.112-18.el7_6.1.i686.rpm
polkit-devel-0.112-18.el7_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/

7. References:

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

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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