Alerts This Week
Warning Icon 1 540
Alerts This Week
Warning Icon 1 540

Red Hat Enterprise 8.1: RHSA-2021-2236-01 Important Polkit Local Escalation

Redhat Large Esm H500
An update for polkit is now available for Red Hat Enterprise Linux 8.1 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score,
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

Synopsis:          Important: polkit security update
Advisory ID:       RHSA-2021:2236-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:2236
Issue date:        2021-06-03
CVE Names:         CVE-2021-3560 
====================================================================
1. Summary:

An update for polkit is now available for Red Hat Enterprise Linux 8.1
Extended Update Support.

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 BaseOS EUS (v. 8.1) - aarch64, noarch, 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: local privilege escalation using
polkit_system_bus_name_get_creds_sync() (CVE-2021-3560)

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/):

1961710 - CVE-2021-3560 polkit: local privilege escalation using polkit_system_bus_name_get_creds_sync()

6. Package List:

Red Hat Enterprise Linux BaseOS EUS (v. 8.1):

Source:
polkit-0.115-9.el8_1.1.src.rpm

aarch64:
polkit-0.115-9.el8_1.1.aarch64.rpm
polkit-debuginfo-0.115-9.el8_1.1.aarch64.rpm
polkit-debugsource-0.115-9.el8_1.1.aarch64.rpm
polkit-devel-0.115-9.el8_1.1.aarch64.rpm
polkit-libs-0.115-9.el8_1.1.aarch64.rpm
polkit-libs-debuginfo-0.115-9.el8_1.1.aarch64.rpm

noarch:
polkit-docs-0.115-9.el8_1.1.noarch.rpm

ppc64le:
polkit-0.115-9.el8_1.1.ppc64le.rpm
polkit-debuginfo-0.115-9.el8_1.1.ppc64le.rpm
polkit-debugsource-0.115-9.el8_1.1.ppc64le.rpm
polkit-devel-0.115-9.el8_1.1.ppc64le.rpm
polkit-libs-0.115-9.el8_1.1.ppc64le.rpm
polkit-libs-debuginfo-0.115-9.el8_1.1.ppc64le.rpm

s390x:
polkit-0.115-9.el8_1.1.s390x.rpm
polkit-debuginfo-0.115-9.el8_1.1.s390x.rpm
polkit-debugsource-0.115-9.el8_1.1.s390x.rpm
polkit-devel-0.115-9.el8_1.1.s390x.rpm
polkit-libs-0.115-9.el8_1.1.s390x.rpm
polkit-libs-debuginfo-0.115-9.el8_1.1.s390x.rpm

x86_64:
polkit-0.115-9.el8_1.1.x86_64.rpm
polkit-debuginfo-0.115-9.el8_1.1.i686.rpm
polkit-debuginfo-0.115-9.el8_1.1.x86_64.rpm
polkit-debugsource-0.115-9.el8_1.1.i686.rpm
polkit-debugsource-0.115-9.el8_1.1.x86_64.rpm
polkit-devel-0.115-9.el8_1.1.i686.rpm
polkit-devel-0.115-9.el8_1.1.x86_64.rpm
polkit-libs-0.115-9.el8_1.1.i686.rpm
polkit-libs-0.115-9.el8_1.1.x86_64.rpm
polkit-libs-debuginfo-0.115-9.el8_1.1.i686.rpm
polkit-libs-debuginfo-0.115-9.el8_1.1.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-2021-3560
https://access.redhat.com/security/updates/classification#important

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact

Copyright 2021 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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0UrL
-----END PGP SIGNATURE-----

--
RHSA-announce mailing list
This email address is being protected from spambots. You need JavaScript enabled to view it.
https://listman.redhat.com/mailman/listinfo/rhsa-announce

Red Hat Enterprise 8.1: RHSA-2021-2236-01 Important Polkit Local Escalation

red hat
Calendar Grey June 3, 2021
Dist Redhat Esm H88
Ubuntu unveils a vital security patch for dbus to mitigate potential local privilege escalation vulnerabilities. Safeguard your system immediately.
An update for polkit is now available for Red Hat Enterprise Linux 8.1 Extended 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: local privilege escalation using polkit_system_bus_name_get_creds_sync() (CVE-2021-3560)
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.

References

https://access.redhat.com/security/cve/CVE-2021-3560 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux BaseOS EUS (v. 8.1):
Source: polkit-0.115-9.el8_1.1.src.rpm
aarch64: polkit-0.115-9.el8_1.1.aarch64.rpm polkit-debuginfo-0.115-9.el8_1.1.aarch64.rpm polkit-debugsource-0.115-9.el8_1.1.aarch64.rpm polkit-devel-0.115-9.el8_1.1.aarch64.rpm polkit-libs-0.115-9.el8_1.1.aarch64.rpm polkit-libs-debuginfo-0.115-9.el8_1.1.aarch64.rpm
noarch: polkit-docs-0.115-9.el8_1.1.noarch.rpm
ppc64le: polkit-0.115-9.el8_1.1.ppc64le.rpm polkit-debuginfo-0.115-9.el8_1.1.ppc64le.rpm polkit-debugsource-0.115-9.el8_1.1.ppc64le.rpm polkit-devel-0.115-9.el8_1.1.ppc64le.rpm polkit-libs-0.115-9.el8_1.1.ppc64le.rpm polkit-libs-debuginfo-0.115-9.el8_1.1.ppc64le.rpm
s390x: polkit-0.115-9.el8_1.1.s390x.rpm polkit-debuginfo-0.115-9.el8_1.1.s390x.rpm polkit-debugsource-0.115-9.el8_1.1.s390x.rpm polkit-devel-0.115-9.el8_1.1.s390x.rpm polkit-libs-0.115-9.el8_1.1.s390x.rpm polkit-libs-debuginfo-0.115-9.el8_1.1.s390x.rpm
x86_64: polkit-0.115-9.el8_1.1.x86_64.rpm polkit-debuginfo-0.115-9.el8_1.1.i686.rpm polkit-debuginfo-0.115-9.el8_1.1.x86_64.rpm polkit-debugsource-0.115-9.el8_1.1.i686.rpm polkit-debugsource-0.115-9.el8_1.1.x86_64.rpm polkit-devel-0.115-9.el8_1.1.i686.rpm polkit-devel-0.115-9.el8_1.1.x86_64.rpm polkit-libs-0.115-9.el8_1.1.i686.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:2236-01
Product: Red Hat Enterprise Linux
Issue date: 2021-06-03

Topic

An update for polkit is now available for Red Hat Enterprise Linux 8.1Extended 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.

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS EUS (v. 8.1) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

1961710 - CVE-2021-3560 polkit: local privilege escalation using polkit_system_bus_name_get_creds_sync()

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here