-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

                               ESB-2021.4168
                Red Hat Virtualization Host security update
                              9 December 2021

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Red Hat Virtualization Host
Publisher:         Red Hat
Operating System:  Red Hat
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account
                   Denial of Service               -- Existing Account
                   Reduced Security                -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-43527  

Reference:         ESB-2021.4165
                   ESB-2021.4146

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2021:5006

- --------------------------BEGIN INCLUDED TEXT--------------------

- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

Synopsis:          Critical: Red Hat Virtualization Host security and bug fix update [ovirt-4.4.9] Async #1
Advisory ID:       RHSA-2021:5006-01
Product:           Red Hat Virtualization
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:5006
Issue date:        2021-12-08
CVE Names:         CVE-2021-43527 
=====================================================================

1. Summary:

An update for redhat-release-virtualization-host and
redhat-virtualization-host is now available for Red Hat Virtualization 4
for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact
of Critical. 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:

RHEL 8-based RHEV-H for RHEV 4 (build requirements) - noarch, x86_64
Red Hat Virtualization 4 Hypervisor for RHEL 8 - x86_64

3. Description:

The redhat-virtualization-host packages provide the Red Hat Virtualization
Host. These packages include redhat-release-virtualization-host,
ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts (RHVH) are
installed using a special build of Red Hat Enterprise Linux with only the
packages required to host virtual machines. RHVH features a Cockpit user
interface for monitoring the host's resources and performing administrative
tasks.

Security Fix(es):

* nss: Memory corruption in decodeECorDsaSignature with DSA signatures (and
RSA-PSS) (CVE-2021-43527)

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/2974891

5. Bugs fixed (https://bugzilla.redhat.com/):

2024370 - CVE-2021-43527 nss: Memory corruption in decodeECorDsaSignature with DSA signatures (and RSA-PSS)
2029406 - Could not find available upgrade package, when upgrade RHVH to the latest rhvh-4.4.9.3-0.20211202.0+1

6. Package List:

Red Hat Virtualization 4 Hypervisor for RHEL 8:

Source:
redhat-virtualization-host-4.4.9-202112061811_8.5.src.rpm

x86_64:
redhat-virtualization-host-image-update-4.4.9-202112061811_8.5.x86_64.rpm

RHEL 8-based RHEV-H for RHEV 4 (build requirements):

Source:
redhat-release-virtualization-host-4.4.9-3.el8ev.src.rpm

noarch:
redhat-virtualization-host-image-update-placeholder-4.4.9-3.el8ev.noarch.rpm

x86_64:
redhat-release-virtualization-host-4.4.9-3.el8ev.x86_64.rpm
redhat-release-virtualization-host-content-4.4.9-3.el8ev.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-2021-43527
https://access.redhat.com/security/updates/classification/#critical
https://access.redhat.com/security/vulnerabilities/RHSB-2021-008

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. 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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=86mZ
- -----END PGP SIGNATURE-----

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

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.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
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=QxhI
-----END PGP SIGNATURE-----