Moderate: pcs security and bug fix update

Related Vulnerabilities: CVE-2023-27530   CVE-2023-27539  

Synopsis

Moderate: pcs security and bug fix update

Type/Severity

Security Advisory: Moderate

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for pcs is now available for Red Hat Enterprise Linux 8.

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.

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#2180700)
  • Need a way to add a scsi fencing device to a cluster without requiring a restart of all cluster resources (BZ#2180706)

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

Affected Products

  • Red Hat Enterprise Linux High Availability for x86_64 8 x86_64
  • Red Hat Enterprise Linux High Availability for x86_64 - Extended Update Support 8.8 x86_64
  • Red Hat Enterprise Linux Resilient Storage for x86_64 8 x86_64
  • Red Hat Enterprise Linux Resilient Storage for x86_64 - Extended Update Support 8.8 x86_64
  • Red Hat Enterprise Linux Resilient Storage for IBM z Systems 8 s390x
  • Red Hat Enterprise Linux High Availability for IBM z Systems 8 s390x
  • Red Hat Enterprise Linux Resilient Storage for Power, little endian 8 ppc64le
  • Red Hat Enterprise Linux Resilient Storage for IBM Power LE - Extended Update Support 8.8 ppc64le
  • Red Hat Enterprise Linux High Availability for Power, little endian 8 ppc64le
  • Red Hat Enterprise Linux High Availability (for IBM Power LE) - Extended Update Support 8.8 ppc64le
  • Red Hat Enterprise Linux High Availability for Power LE - Update Services for SAP Solutions 8.8 ppc64le
  • Red Hat Enterprise Linux High Availability for x86_64 - Update Services for SAP Solutions 8.8 x86_64
  • Red Hat Enterprise Linux High Availability for ARM 64 8 aarch64
  • Red Hat Enterprise Linux High Availability (for IBM z Systems) - Extended Update Support 8.8 s390x
  • Red Hat Enterprise Linux High Availability (for ARM 64) - Extended Update Support 8.8 aarch64
  • Red Hat Enterprise Linux Resilient Storage for IBM z Systems - Extended Update Support 8.8 s390x
  • Red Hat Enterprise Linux High Availability for x86_64 - Telecommunications Update Service 8.8 x86_64

Fixes

  • BZ - 2176477 - CVE-2023-27530 rubygem-rack: Denial of service in Multipart MIME parsing
  • BZ - 2179649 - CVE-2023-27539 rubygem-rack: denial of service in header parsing
  • BZ - 2180700 - Command 'pcs config checkpoint diff' does not show configuration differences between checkpoints [rhel-8.8.0.z]
  • BZ - 2180706 - Need a way to add a scsi fencing device to a cluster without requiring a restart of all cluster resources [rhel-8.8.0.z]