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AUSCERT External Security Bulletin Redistribution
ESB-2021.0982
Red Hat Build of OpenJDK (container images) release and security update
22 March 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: OpenJDK 11
OpenJDK 1.8
Publisher: Red Hat
Operating System: Red Hat
UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Increased Privileges -- Existing Account
Reduced Security -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-20264
Original Bulletin:
https://access.redhat.com/errata/RHSA-2021:0945
https://access.redhat.com/errata/RHSA-2021:0946
Comment: This advisory references vulnerabilities in products which run on
platforms other than Red Hat. It is recommended that administrators
running OpenJDK 11 or OpenJDK 1.8 check for an updated version of
the software for their operating system.
This bulletin contains two (2) Red Hat security advisories.
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Red Hat Security Advisory
Synopsis: Moderate: Red Hat Build of OpenJDK 11 (container images) release and security update
Advisory ID: RHSA-2021:0945-01
Product: OpenJDK
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0945
Issue date: 2021-03-19
Keywords: openjdk,images
CVE Names: CVE-2021-20264
=====================================================================
1. Summary:
The Red Hat Build of OpenJDK 11 (container images) is now available from
the Red Hat Customer Portal.
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. Description:
The OpenJDK 11 container images provide the OpenJDK 11 Java Runtime
Environment and the OpenJDK 11 Java Software Development Kit.
This release of the Red Hat Build of OpenJDK 11 (openjdk-11-rhel7:1.1-12
and ubi8-openjdk-11:1.3-10) serves as a replacement for the Red Hat Build
of OpenJDK 11 (openjdk-11-rhel7:1.1-11 and ubi8-openjdk-11:1.3-9), and
includes security and bug fixes, and enhancements. For further information,
refer to the release notes linked to in the References section.
Security Fix(es):
* ubi8/openjdk-11: containers/openjdk: /etc/passwd is given incorrect
privileges (CVE-2021-20264)
* openjdk/openjdk-11-rhel7: containers/openjdk: /etc/passwd is given
incorrect privileges (CVE-2021-20264)
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.
3. Solution:
Before applying the update, back up your existing installation, including
all applications, configuration files, databases and database settings, and
so on.
The References section of this erratum contains a link to the updated
containers.
4. Bugs fixed (https://bugzilla.redhat.com/):
1932283 - CVE-2021-20264 containers/openjdk: /etc/passwd is given incorrect privileges
5. References:
https://access.redhat.com/security/cve/CVE-2021-20264
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/articles/4859371
https://catalog.redhat.com/software/containers/openjdk/openjdk-11-rhel7/5bf57185dd19c775cddc4ce5?tag=1.1-12&push_date=1616089599000
https://catalog.redhat.com/software/containers/ubi8/openjdk-11/5dd6a4b45a13461646f677f4?container-tabs=overview&tag=1.3-10&push_date=1616090044000
6. Contact:
The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
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Red Hat Security Advisory
Synopsis: Moderate: Red Hat Build of OpenJDK 1.8 (container images) release and security update
Advisory ID: RHSA-2021:0946-01
Product: OpenJDK
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0946
Issue date: 2021-03-19
Keywords: openjdk,images
CVE Names: CVE-2021-20264
=====================================================================
1. Summary:
The Red Hat Build of OpenJDK 8 (container images) is now available from the
Red Hat Container Catalog.
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. Description:
The OpenJDK 8 container images provide the OpenJDK 8 Java Runtime
Environment and the OpenJDK 8 Java Software Development Kit.
This release of the Red Hat build of OpenJDK 8 (openjdk18-openshift:1.8-26
and ubi8-openjdk-8:1.3-9) serves as a replacement for the Red Hat build of
OpenJDK 8 (openjdk18-openshift:1.8-25 and ubi8-openjdk-8:1.3-8), and
includes security and bug fixes, and enhancements. For further information,
refer to the release notes linked to in the References section.
Security Fix(es):
* ubi8/openjdk-8: containers/openjdk: /etc/passwd is given incorrect
privileges (CVE-2021-20264)
* redhat-openjdk-18/openjdk18-openshift: containers/openjdk: /etc/passwd is
given incorrect privileges (CVE-2021-20264)
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.
3. Solution:
Before applying the update, back up your existing installation, including
all applications, configuration files, databases and database settings, and
so on.
The References section of this erratum contains a link to the updated
containers.
4. Bugs fixed (https://bugzilla.redhat.com/):
1932283 - CVE-2021-20264 containers/openjdk: /etc/passwd is given incorrect privileges
5. References:
https://access.redhat.com/security/cve/CVE-2021-20264
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/articles/4859371
https://catalog.redhat.com/software/containers/redhat-openjdk-18/openjdk18-openshift/58ada5701fbe981673cd6b10?tag=1.8-26&push_date=1616089599000
https://catalog.redhat.com/software/containers/ubi8/openjdk-8/5dd6a48dbed8bd164a09589a?tag=1.3-9&push_date=1616090044000
6. Contact:
The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2021 Red Hat, Inc.
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You have received this e-mail bulletin as a result of your organisation's
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maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
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NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
https://www.auscert.org.au/bulletins/
===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
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The post ESB-2021.0982 – [Win][UNIX/Linux][RedHat] OpenJDK: Increased privileges – Existing account appeared first on Malware Devil.
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