high
8.7
CWE
287 345 303
Advisory Published
CVE Published
Advisory Published
CVE Published
Updated

CVE-2023-0264

First published: Thu Jan 12 2023(Updated: )

A flaw was found in Keycloak's OpenID Connect user authentication, which may incorrectly authenticate requests. An authenticated attacker who could obtain information from a user request within the same realm could use that data to impersonate the victim and generate new session tokens. This issue could impact confidentiality, Integrity, and availability.

Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/rh-sso7-keycloak<0:18.0.6-1.redhat_00001.1.el7
0:18.0.6-1.redhat_00001.1.el7
redhat/rh-sso7-keycloak<0:18.0.6-1.redhat_00001.1.el8
0:18.0.6-1.redhat_00001.1.el8
redhat/rh-sso7-keycloak<0:18.0.6-1.redhat_00001.1.el9
0:18.0.6-1.redhat_00001.1.el9
maven/org.keycloak:keycloak-services<21.0.1
21.0.1
Redhat Keycloak<18.0.6
Redhat Single Sign-on<7.6.2
Redhat Enterprise Linux=7.0
Redhat Enterprise Linux=8.0
Redhat Enterprise Linux=9.0
Redhat Openshift Container Platform=4.9
Redhat Openshift Container Platform=4.10
Redhat Openshift Container Platform For Ibm Linuxone=4.9
Redhat Openshift Container Platform For Ibm Linuxone=4.10
Redhat Openshift Container Platform Ibm Z Systems=4.9
Redhat Openshift Container Platform Ibm Z Systems=4.10
Redhat Single Sign-on

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2023-0264?

    CVE-2023-0264 is a vulnerability found in Keycloak's OpenID Connect user authentication that may incorrectly authenticate requests.

  • How does CVE-2023-0264 impact Keycloak?

    CVE-2023-0264 allows an authenticated attacker to impersonate a victim and generate new session tokens by obtaining information from a user request within the same realm.

  • What is the severity level of CVE-2023-0264?

    CVE-2023-0264 has a severity level of high with a score of 8.7.

  • How do I fix CVE-2023-0264 in Keycloak?

    To fix CVE-2023-0264 in Keycloak, update to version 18.0.6 or higher.

  • Where can I find more information about CVE-2023-0264?

    You can find more information about CVE-2023-0264 on the Redhat website at the following URLs: [URL1], [URL2], [URL3]

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