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High ALSA-2023:2652 4 CVEs

Important: pcs security and bug fix update

Published May 9, 2023 · Updated Oct 29, 2026

Ecosystem: AlmaLinux

Summary

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

Security Fix(es):

* pcs: webpack: Regression of CVE-2023-28154 fixes in the AlmaLinux (CVE-2023-2319)
* 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#2180697)
* Need a way to add a scsi fencing device to a cluster without requiring a restart of all cluster resources (BZ#2180704)
* [WebUI] fence levels prevent loading of cluster status (BZ#2183180)

Fixed packages 2

ReleasePackageFixed in
AlmaLinux · 9 pcs 0.11.4-7.el9_2
AlmaLinux · 9 pcs-snmp 0.11.4-7.el9_2

Vulnerabilities 4

  • Critical 9.8
    CVE-2023-2319

    It was discovered that an update for PCS package in RHBA-2023:2151 erratum released as part of Red Hat Enterprise Linux…

  • Critical 9.8
    CVE-2023-28154

    Cross-realm object access in Webpack 5

    Webpack 5 before 5.76.0 does not avoid cross-realm object access. ImportParserPlugin.js mishandles the magic comment feature. An attacker who controls a property of an untrusted object can obtain access to the real global object.

    node-webpack webpack node-webpack Debian Ubuntu npm
  • High 7.5
    CVE-2023-27530

    Rack has possible DoS Vulnerability in Multipart MIME parsing

    A DoS vulnerability exists in Rack <v3.0.4.2, <v2.2.6.3, <v2.1.4.3 and <v2.0.9.3 within in the Multipart MIME parsing code in which could allow an attacker to craft requests that can be abuse to cause multipart parsing to take longer than expected.

    rack ruby-rack ruby-rack Debian Ubuntu RubyGems
  • Medium 5.3
    CVE-2023-27539

    Possible Denial of Service Vulnerability in Rack's header parsing

    There is a denial of service vulnerability in the header parsing component of Rack.

    rails Rack rack ruby-rack Debian Ubuntu RubyGems

References

  • report
    https://access.redhat.com/security/cve/CVE-2023-2319
  • report
    https://access.redhat.com/security/cve/CVE-2023-27530
  • report
    https://access.redhat.com/security/cve/CVE-2023-27539
  • report
    https://bugzilla.redhat.com/2176477
  • report
    https://bugzilla.redhat.com/2179649
  • report
    https://bugzilla.redhat.com/2190092
  • advisory
    https://errata.almalinux.org/9/ALSA-2023-2652.html