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

CVSS 6.0 · Medium EPSS 0.08% · P23

I. Basic Information for CVE-2023-6717

Vulnerability Information
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Vulnerability Title
Keycloak: xss via assertion consumer service url in saml post-binding flow
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Red Hat Keycloak 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat Keycloak是美国红帽（Red Hat）公司的一套为现代应用和服务提供身份验证和管理功能的软件。 Red Hat Keycloak存在跨站脚本漏洞，该漏洞源于 SAML 客户端注册中发现了一个缺陷，该缺陷可能允许管理员将恶意 JavaScript URI 注册为断言消费者服务 POST 绑定 URL ，从而带来跨站脚本 (XSS) 风险。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
-- 0 ~ 22.0.10 -
Red HatRed Hat AMQ Broker 7-cpe:/a:redhat:amq_broker:7.12
Red HatRed Hat build of Keycloak 22 22.0.10-1 ~ * cpe:/a:redhat:build_keycloak:22::el9
Red HatRed Hat build of Keycloak 22 22-13 ~ * cpe:/a:redhat:build_keycloak:22::el9
Red HatRed Hat build of Keycloak 22 22-16 ~ * cpe:/a:redhat:build_keycloak:22::el9
Red HatRed Hat build of Keycloak 22.0.10-cpe:/a:redhat:build_keycloak:22
Red HatRHOSS-1.33-RHEL-8 1.33.0-5 ~ * cpe:/a:redhat:openshift_serverless:1.33::el8
Red HatRHOSS-1.33-RHEL-8 1.33.0-5 ~ * cpe:/a:redhat:openshift_serverless:1.33::el8
Red HatRHOSS-1.33-RHEL-8 1.33.0-5 ~ * cpe:/a:redhat:openshift_serverless:1.33::el8
Red HatRHOSS-1.33-RHEL-8 1.33.0-5 ~ * cpe:/a:redhat:openshift_serverless:1.33::el8
Red HatRHOSS-1.33-RHEL-8 1.33.0-5 ~ * cpe:/a:redhat:openshift_serverless:1.33::el8
Red HatRHOSS-1.33-RHEL-8 1.33.0-3 ~ * cpe:/a:redhat:openshift_serverless:1.33::el8
Red HatRHOSS-1.33-RHEL-8 1.33.0-5 ~ * cpe:/a:redhat:openshift_serverless:1.33::el8
Red HatRHOSS-1.33-RHEL-8 1.33.0-5 ~ * cpe:/a:redhat:openshift_serverless:1.33::el8
Red HatRHPAM 7.13.5 async-cpe:/a:redhat:jboss_enterprise_bpms_platform:7.13
Red HatMigration Toolkit for Applications 6-cpe:/a:redhat:migration_toolkit_applications:6
Red HatMigration Toolkit for Applications 7-cpe:/a:redhat:migration_toolkit_applications:7
Red HatRed Hat build of Apicurio Registry 2-cpe:/a:redhat:service_registry:2
Red HatRed Hat build of Quarkus-cpe:/a:redhat:quarkus:2
Red HatRed Hat build of Quarkus-cpe:/a:redhat:quarkus:3
Red HatRed Hat Data Grid 8-cpe:/a:redhat:jboss_data_grid:8
Red HatRed Hat Decision Manager 7-cpe:/a:redhat:jboss_enterprise_brms_platform:7
Red HatRed Hat Developer Hub-cpe:/a:redhat:rhdh:1
Red HatRed Hat Fuse 7-cpe:/a:redhat:jboss_fuse:7
Red HatRed Hat JBoss Data Grid 7-cpe:/a:redhat:jboss_data_grid:7
Red HatRed Hat JBoss Enterprise Application Platform 6-cpe:/a:redhat:jboss_enterprise_application_platform:6
Red HatRed Hat JBoss Enterprise Application Platform 6-cpe:/a:redhat:jboss_enterprise_application_platform:6
Red HatRed Hat JBoss Enterprise Application Platform 6-cpe:/a:redhat:jboss_enterprise_application_platform:6
Red HatRed Hat JBoss Enterprise Application Platform 7-cpe:/a:redhat:jboss_enterprise_application_platform:7
Red HatRed Hat JBoss Enterprise Application Platform 8-cpe:/a:redhat:jboss_enterprise_application_platform:8
Red HatRed Hat JBoss Enterprise Application Platform Expansion Pack-cpe:/a:redhat:jbosseapxp
Red HatRed Hat OpenShift GitOps-cpe:/a:redhat:openshift_gitops:1
Red HatRed Hat Process Automation 7-cpe:/a:redhat:jboss_enterprise_bpms_platform:7
Red HatRed Hat Single Sign-On 7-cpe:/a:redhat:red_hat_single_sign_on:7

II. Public POCs for CVE-2023-6717

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III. Intelligence Information for CVE-2023-6717

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IV. Related Vulnerabilities

Same weakness: CWE-79

V. Comments for CVE-2023-6717

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