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Red Hat Security Advisory 2023-1961-01

Red Hat Security Advisory 2023-1961-01 - The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities. Issues addressed include a denial of service vulnerability.

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

Synopsis: Moderate: pcs security and bug fix update
Advisory ID: RHSA-2023:1961-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:1961
Issue date: 2023-04-25
CVE Names: CVE-2023-27530 CVE-2023-27539
====================================================================

  1. Summary:

An update for pcs is now available for Red Hat Enterprise Linux 8.4
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.

  1. Relevant releases/architectures:

Red Hat Enterprise Linux High Availability EUS (v.8.4) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Resilient Storage EUS (v.8.4) - ppc64le, s390x, x86_64

  1. Description:

The pcs packages provide a command-line configuration system for the
Pacemaker and Corosync utilities.

Security Fix(es):

  • rubygem-rack: Denial of service in Multipart MIME parsing
    (CVE-2023-27530)

  • rubygem-rack: denial of service in header parsing (CVE-2023-27539)

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.

Bug Fix(es):

  • Command ‘pcs config checkpoint diff’ does not show configuration
    differences between checkpoints (BZ#2180703)
  1. 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

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

2176477 - CVE-2023-27530 rubygem-rack: Denial of service in Multipart MIME parsing
2179649 - CVE-2023-27539 rubygem-rack: denial of service in header parsing
2180703 - Command ‘pcs config checkpoint diff’ does not show configuration differences between checkpoints [rhel-8.4.0.z]

  1. Package List:

Red Hat Enterprise Linux High Availability EUS (v.8.4):

Source:
pcs-0.10.8-1.el8_4.4.src.rpm

aarch64:
pcs-0.10.8-1.el8_4.4.aarch64.rpm
pcs-snmp-0.10.8-1.el8_4.4.aarch64.rpm

ppc64le:
pcs-0.10.8-1.el8_4.4.ppc64le.rpm
pcs-snmp-0.10.8-1.el8_4.4.ppc64le.rpm

s390x:
pcs-0.10.8-1.el8_4.4.s390x.rpm
pcs-snmp-0.10.8-1.el8_4.4.s390x.rpm

x86_64:
pcs-0.10.8-1.el8_4.4.x86_64.rpm
pcs-snmp-0.10.8-1.el8_4.4.x86_64.rpm

Red Hat Enterprise Linux Resilient Storage EUS (v.8.4):

Source:
pcs-0.10.8-1.el8_4.4.src.rpm

ppc64le:
pcs-0.10.8-1.el8_4.4.ppc64le.rpm
pcs-snmp-0.10.8-1.el8_4.4.ppc64le.rpm

s390x:
pcs-0.10.8-1.el8_4.4.s390x.rpm
pcs-snmp-0.10.8-1.el8_4.4.s390x.rpm

x86_64:
pcs-0.10.8-1.el8_4.4.x86_64.rpm
pcs-snmp-0.10.8-1.el8_4.4.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/

  1. References:

https://access.redhat.com/security/cve/CVE-2023-27530
https://access.redhat.com/security/cve/CVE-2023-27539
https://access.redhat.com/security/updates/classification/#moderate

  1. Contact:

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

Copyright 2023 Red Hat, Inc.
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