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6.0Medium

CVE-2023-6717Keycloak: xss via assertion consumer service url in saml post-binding flow

keycloak; Red Hat Red Hat AMQ Broker 7; Red Hat Red Hat build of Keycloak 22; Red Hat Red Hat build of Keycloak 22.0.10 Published: (2 years ago)

Description

A flaw was found in the SAML client registration in Keycloak that could allow an administrator to register malicious JavaScript URIs as Assertion Consumer Service POST Binding URLs (ACS), posing a Cross-Site Scripting (XSS) risk. This issue may allow a malicious admin in one realm or a client with registration access to target users in different realms or applications, executing arbitrary JavaScript in their contexts upon form submission. This can enable unauthorized access and harmful actions, compromising the confidentiality, integrity, and availability of the complete KC instance.

Weakness (CWE): CWE-79

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
build keycloak 22 —
openshift serverless 1.33 —
Red Hat Migration Toolkit for Applications 6 all versions
Red Hat Migration Toolkit for Applications 7 —
Red Hat Red Hat AMQ Broker 7 —
Red Hat Red Hat build of Apicurio Registry 2 all versions
Red Hat Red Hat build of Keycloak 22 all versions
Red Hat Red Hat build of Keycloak 22.0.10 —
Red Hat Red Hat build of Quarkus —
Red Hat Red Hat Data Grid 8 all versions
Red Hat Red Hat Decision Manager 7 all versions
Red Hat Red Hat Developer Hub 1 —
Red Hat Red Hat Fuse 7 all versions
Red Hat Red Hat JBoss Data Grid 7 all versions
Red Hat Red Hat JBoss Enterprise Application Platform 6 —
Red Hat Red Hat JBoss Enterprise Application Platform 7 —
Red Hat Red Hat JBoss Enterprise Application Platform 8 —
Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack —
Red Hat Red Hat OpenShift GitOps all versions
Red Hat Red Hat Process Automation 7 all versions
Red Hat Red Hat Single Sign-On 7 all versions
Red Hat RHOSS-1.33-RHEL-8 all versions
Red Hat RHPAM 7.13.5 async —
— keycloak < 22.0.10, 24.0.0 – < 24.0.3

References and patches