要点
- CVE-2023-6717 は org.keycloak:keycloak-services に影響する深刻度「中」 (CVSS 6.0) の脆弱性です。
- 今後30日間に悪用される確率（EPSS）：0.71%（全脆弱性の 53.6% より高い）。
- 対処：24.0.3, 22.0.10 以降に更新してください。
概要
Keycloak allows arbitrary URLs as SAML Assertion Consumer Service POST Binding URL (ACS), including JavaScript URIs (javascript:).
Allowing JavaScript URIs in combination with HTML forms leads to JavaScript evaluation in the context of the embedding origin on form submission.
Acknowledgements:
Special thanks to Lauritz Holtmann for reporting this issue and helping us improve our project.
NVD の説明
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.
org.keycloak:keycloak-services のその他の脆弱性
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