Security
Headlines
HeadlinesLatestCVEs

Headline

Red Hat Security Advisory 2023-3403-01

Red Hat Security Advisory 2023-3403-01 - The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities. Issues addressed include a denial of service vulnerability.

Packet Storm
#vulnerability#linux#red_hat#dos#ruby

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

=====================================================================
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.

  1. 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

  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#2180702)
  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
2180702 - Command ‘pcs config checkpoint diff’ does not show configuration differences between checkpoints [rhel-8.6.0.z]

  1. 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/

  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.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=QTTG
-----END PGP SIGNATURE-----

RHSA-announce mailing list
[email protected]
https://listman.redhat.com/mailman/listinfo/rhsa-announce

Related news

Ubuntu Security Notice USN-6905-1

Ubuntu Security Notice 6905-1 - It was discovered that Rack incorrectly handled certain regular expressions. A remote attacker could possibly use this issue to cause Rack to consume resources, leading to a denial of service. It was discovered that Rack incorrectly handled Multipart MIME parsing. A remote attacker could possibly use this issue to cause Rack to consume resources, leading to a denial of service. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS.

Ubuntu Security Notice USN-6689-1

Ubuntu Security Notice 6689-1 - It was discovered that Rack incorrectly parse some headers. An attacker could possibly use this issue to cause a denial of service.

Debian Security Advisory 5530-1

Debian Linux Security Advisory 5530-1 - Several vulnerabilities were discovered in ruby-rack, a modular Ruby webserver interface, which may result in denial of service and shell escape sequence injection.

Red Hat Security Advisory 2023-3495-01

Red Hat Security Advisory 2023-3495-01 - Logging Subsystem 5.7.2 - Red Hat OpenShift. Issues addressed include cross site scripting and denial of service vulnerabilities.

RHSA-2023:3495: Red Hat Security Advisory: Logging Subsystem 5.7.2 - Red Hat OpenShift security update

Logging Subsystem 5.7.2 - Red Hat OpenShift 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2022-41723: A flaw was found in golang. A maliciously crafted HTTP/2 stream could cause excessive CPU consumption in the HPACK decoder, sufficient to cause a denial of service from a small number of small requests. * CVE-2023-27539: A denial of service vulnerability was found in rubygem-rack in how it parses headers. A carefully crafted input can cause header parsing to take an unexpe...

RHSA-2023:3403: Red Hat Security Advisory: pcs security and bug fix update

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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-27530: A flaw was found in rubygem-rack. This issue occurs in the Multipart MIME parsing code in Rack, which limits the number of file parts but does not limit the total number of parts that can be uploaded. Carefully crafted requests can abuse this and cause multipart parsing to take longer than expected, resulting in a denial of ...

RHSA-2023:3403: Red Hat Security Advisory: pcs security and bug fix update

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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-27530: A flaw was found in rubygem-rack. This issue occurs in the Multipart MIME parsing code in Rack, which limits the number of file parts but does not limit the total number of parts that can be uploaded. Carefully crafted requests can abuse this and cause multipart parsing to take longer than expected, resulting in a denial of ...

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 9.2 failed to include the fix for the Webpack issue CVE-2023-28154 (for PCS package), which was previously addressed in Red Hat Enterprise Linux 9.1 via erratum RHSA-2023:1591. The CVE-2023-2319 was assigned to that Red Hat specific security regression in Red Hat Enterprise Linux 9.2.

Red Hat Security Advisory 2023-3082-01

Red Hat Security Advisory 2023-3082-01 - The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2023-3082-01

Red Hat Security Advisory 2023-3082-01 - The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities. Issues addressed include a denial of service vulnerability.

RHSA-2023:3082: Red Hat Security Advisory: pcs security and bug fix update

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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-27530: A flaw was found in rubygem-rack. This issue occurs in the Multipart MIME parsing code in Rack, which limits the number of file parts but does not limit the total number of parts that can be uploaded. Carefully crafted requests can abuse this and cause multipart parsing to take longer than expected, resulting in a denial of service. * CVE-2023-27539:...

RHSA-2023:3082: Red Hat Security Advisory: pcs security and bug fix update

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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-27530: A flaw was found in rubygem-rack. This issue occurs in the Multipart MIME parsing code in Rack, which limits the number of file parts but does not limit the total number of parts that can be uploaded. Carefully crafted requests can abuse this and cause multipart parsing to take longer than expected, resulting in a denial of service. * CVE-2023-27539:...

Red Hat Security Advisory 2023-1953-01

Red Hat Security Advisory 2023-1953-01 - Red Hat OpenShift Logging Subsystem 5.6.5 update. Issues addressed include cross site scripting and denial of service vulnerabilities.

RHSA-2023:1953: Red Hat Security Advisory: Logging Subsystem 5.6.5 - Red Hat OpenShift security update

Logging Subsystem 5.6.5 - Red Hat OpenShift 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-27539: A denial of service vulnerability was found in rubygem-rack in how it parses headers. A carefully crafted input can cause header parsing to take an unexpected amount of time, possibly resulting in a denial of service. * CVE-2023-28120: A Cross-Site-Scripting vulnerability was found in rubygem ActiveSupport. If the new bytesplice method is called on a SafeBuffer with untrus...

Red Hat Security Advisory 2023-1981-01

Red Hat Security Advisory 2023-1981-01 - The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2023-1981-01

Red Hat Security Advisory 2023-1981-01 - The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities. Issues addressed include a denial of service vulnerability.

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.

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.

RHSA-2023:1981: Red Hat Security Advisory: pcs security and bug fix update

An update for pcs is now available for Red Hat Enterprise Linux 9.0 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-27530: A flaw was found in rubygem-rack. This issue occurs in the Multipart MIME parsing code in Rack, which limits the number of file parts but does not limit the total number of parts that can be uploaded. Carefully crafted requests can abuse this and cause multipart parsing to take longer than expected, resulting in a denial of ...

RHSA-2023:1981: Red Hat Security Advisory: pcs security and bug fix update

An update for pcs is now available for Red Hat Enterprise Linux 9.0 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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-27530: A flaw was found in rubygem-rack. This issue occurs in the Multipart MIME parsing code in Rack, which limits the number of file parts but does not limit the total number of parts that can be uploaded. Carefully crafted requests can abuse this and cause multipart parsing to take longer than expected, resulting in a denial of ...

RHSA-2023:1961: Red Hat Security Advisory: pcs security and bug fix update

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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-27530: A flaw was found in rubygem-rack. This issue occurs in the Multipart MIME parsing code in Rack, which limits the number of file parts but does not limit the total number of parts that can be uploaded. Carefully crafted requests can abuse this and cause multipart parsing to take longer than expected, resulting in a denial of ...

RHSA-2023:1961: Red Hat Security Advisory: pcs security and bug fix update

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.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-27530: A flaw was found in rubygem-rack. This issue occurs in the Multipart MIME parsing code in Rack, which limits the number of file parts but does not limit the total number of parts that can be uploaded. Carefully crafted requests can abuse this and cause multipart parsing to take longer than expected, resulting in a denial of ...

GHSA-c6qg-cjj8-47qp: Possible Denial of Service Vulnerability in Rack’s header parsing

There is a denial of service vulnerability in the header parsing component of Rack. This vulnerability has been assigned the CVE identifier CVE-2023-27539. Versions Affected: >= 2.0.0 Not affected: None. Fixed Versions: 2.2.6.4, 3.0.6.1 # Impact Carefully crafted input can cause header parsing in Rack to take an unexpected amount of time, possibly resulting in a denial of service attack vector. Any applications that parse headers using Rack (virtually all Rails applications) are impacted. # Workarounds Setting Regexp.timeout in Ruby 3.2 is a possible workaround.

CVE-2023-27530: [CVE-2023-27530] 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.

GHSA-3h57-hmj3-gj3p: Rack has possible DoS Vulnerability in Multipart MIME parsing

There is a possible DoS vulnerability in the Multipart MIME parsing code in Rack. This vulnerability has been assigned the CVE identifier CVE-2023-27530. Versions Affected: All. Not affected: None Fixed Versions: 3.0.4.2, 2.2.6.3, 2.1.4.3, 2.0.9.3 # Impact The Multipart MIME parsing code in Rack limits the number of file parts, but does not limit the total number of parts that can be uploaded. Carefully crafted requests can abuse this and cause multipart parsing to take longer than expected. All users running an affected release should either upgrade or use one of the workarounds immediately. # Workarounds A proxy can be configured to limit the POST body size which will mitigate this issue.

Packet Storm: Latest News

Microsoft Windows TOCTOU Local Privilege Escalation