medium
6.5
CWE
400
Advisory Published
Updated

CVE-2023-0056

First published: Wed Dec 21 2022(Updated: )

An uncontrolled resource consumption vulnerability was discovered in HAProxy which could crash the service. This issue could allow an authenticated remote attacker to run a specially crafted malicious server in an OpenShift cluster. The biggest impact is to availability.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/haproxy<0:2.4.17-3.el9_1.2
0:2.4.17-3.el9_1.2
redhat/haproxy<0:2.4.7-2.el9_0.2
0:2.4.7-2.el9_0.2
redhat/haproxy<0:2.2.19-3.el8
0:2.2.19-3.el8
redhat/haproxy<0:2.2.24-2.el8
0:2.2.24-2.el8
redhat/haproxy<0:2.2.24-3.rhaos4.13.el8
0:2.2.24-3.rhaos4.13.el8
redhat/haproxy<0:2.2.15-6.el8
0:2.2.15-6.el8
debian/haproxy
1.8.19-1+deb10u3
1.8.19-1+deb10u4
2.2.9-2+deb11u5
2.6.12-1
2.6.15-1
Haproxy Haproxy
Microsoft Windows Server 2022=5.0
Redhat Software Collections
Redhat Openshift Container Platform=4.12
Redhat Openshift Container Platform For Ibm Linuxone=4.12
Redhat Openshift Container Platform For Power=4.12
Redhat Openshift Container Platform Ibm Z Systems=4.12
Redhat Enterprise Linux=9.0
Redhat Openshift Container Platform=4.10
Redhat Openshift Container Platform=4.11
Redhat Openshift Container Platform=4.12
Redhat Openshift Container Platform=4.10
Redhat Openshift Container Platform For Ibm Linuxone=4.10
Redhat Openshift Container Platform For Power=4.10
Redhat Openshift Container Platform Ibm Z Systems=4.10
Redhat Enterprise Linux=8.0
Redhat Openshift Container Platform=4.11
Redhat Openshift Container Platform For Ibm Linuxone=4.11
Redhat Openshift Container Platform For Power=4.11
Redhat Openshift Container Platform Ibm Z Systems=4.11
Fedoraproject Extra Packages For Enterprise Linux=8.0
Fedoraproject Fedora=36
Fedoraproject Fedora=37

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2023-0056?

    The severity of CVE-2023-0056 is medium, with a severity value of 6.5.

  • How does CVE-2023-0056 impact HAProxy?

    CVE-2023-0056 can cause the HAProxy service to crash, impacting availability.

  • How can an attacker exploit CVE-2023-0056?

    An authenticated remote attacker can exploit CVE-2023-0056 by running a specially crafted malicious server in an OpenShift cluster.

  • Which versions of HAProxy are affected by CVE-2023-0056?

    HAProxy versions 0:2.4.17-3.el9_1.2, 0:2.4.7-2.el9_0.2, 0:2.2.19-3.el8, 0:2.2.24-2.el8, 0:2.2.24-3.rhaos4.13.el8, and 0:2.2.15-6.el8 are affected by CVE-2023-0056.

  • How can I fix CVE-2023-0056 in HAProxy?

    To fix CVE-2023-0056 in HAProxy, update to version 0:2.4.17-3.el9_1.2 or apply the appropriate remedy provided by Redhat.

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