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AUSCERT External Security Bulletin Redistribution
ESB-2023.3090
pcs security and bug fix update
1 June 2023
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AusCERT Security Bulletin Summary
---------------------------------
Product: pcs
Publisher: Red Hat
Operating System: Red Hat
Resolution: Patch/Upgrade
CVE Names: CVE-2023-27539 CVE-2023-27530
Original Bulletin:
https://access.redhat.com/errata/RHSA-2023:3403
Comment: CVSS (Max): 7.5 CVE-2023-27530 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
CVSS Source: Red Hat
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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Red Hat Security Advisory
Synopsis: Moderate: pcs security and bug fix update
Advisory ID: RHSA-2023:3403-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:3403
Issue date: 2023-05-31
CVE Names: CVE-2023-27530 CVE-2023-27539
=====================================================================
1. Summary:
An update for pcs is now available for Red Hat Enterprise Linux 8.6
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.
2. Relevant releases/architectures:
Red Hat Enterprise Linux High Availability EUS (v.8.6) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Resilient Storage EUS (v.8.6) - ppc64le, s390x, x86_64
3. 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#2180702)
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/11258
5. 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
2180702 - Command 'pcs config checkpoint diff' does not show configuration differences between checkpoints [rhel-8.6.0.z]
6. Package List:
Red Hat Enterprise Linux High Availability EUS (v.8.6):
Source:
pcs-0.10.12-6.el8_6.4.src.rpm
aarch64:
pcs-0.10.12-6.el8_6.4.aarch64.rpm
pcs-snmp-0.10.12-6.el8_6.4.aarch64.rpm
ppc64le:
pcs-0.10.12-6.el8_6.4.ppc64le.rpm
pcs-snmp-0.10.12-6.el8_6.4.ppc64le.rpm
s390x:
pcs-0.10.12-6.el8_6.4.s390x.rpm
pcs-snmp-0.10.12-6.el8_6.4.s390x.rpm
x86_64:
pcs-0.10.12-6.el8_6.4.x86_64.rpm
pcs-snmp-0.10.12-6.el8_6.4.x86_64.rpm
Red Hat Enterprise Linux Resilient Storage EUS (v.8.6):
Source:
pcs-0.10.12-6.el8_6.4.src.rpm
ppc64le:
pcs-0.10.12-6.el8_6.4.ppc64le.rpm
pcs-snmp-0.10.12-6.el8_6.4.ppc64le.rpm
s390x:
pcs-0.10.12-6.el8_6.4.s390x.rpm
pcs-snmp-0.10.12-6.el8_6.4.s390x.rpm
x86_64:
pcs-0.10.12-6.el8_6.4.x86_64.rpm
pcs-snmp-0.10.12-6.el8_6.4.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/
7. 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
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2023 Red Hat, Inc.
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