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Red Hat Enterprise Linux 8.4 RHSA-2023-1961-01 Moderate DoS Fixes

red hat
Calendar Grey April 25, 2023
Dist Redhat Esm H88
Patch notes for computers operating on Red Hat Enterprise Linux 8.4 EUS addressing moderate vulnerabilities and correcting issues.
An update for pcs is now available for Red Hat Enterprise Linux 8.4 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 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)

Topics%20covered

Topics Covered

security advisory bug fix Red Hat Enterprise Linux security impact Moderate DoS fix pcs update

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

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


Severity
important
Lowest
Low
Medium
High
Critical

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

Topic

An update for pcs is now available for Red Hat Enterprise Linux 8.4Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory bug fix Red Hat Enterprise Linux security impact Moderate DoS fix pcs update

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

Bugs Fixed

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]

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