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bdu:2023-02654

EUVD-2026-6505

fkie_cve-2023-0264

A flaw was found in Keycloaks 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.

GHSA-9g98-5mj6-f9mv — Keycloak vulnerable to user impersonation via stolen UUID code

Affected: Maven: org.keycloak:keycloak-services

Keycloak's OpenID Connect user authentication was found to incorrectly authenticate requests. An authenticated attacker who could also obtain a certain piece of info from a user request, from a victim within the same realm, could use that data to impersonate the victim and generate new session tokens.

gsd-2023-0264

RHSA-2023:1043 — Red Hat Security Advisory: Red Hat Single Sign-On 7.6.2 security update on RHEL 7

bootstrap: Cross-site Scripting (XSS) in the collapse data-parent attribute bootstrap: Cross-site Scripting (XSS) in the data-container property of tooltip jquery: Prototype pollution in object's prototype leading to denial of service, remote code execution, or property injection jquery: Cross-site scripting due to improper injQuery.htmlPrefilter method jquery: Untrusted code execution via <option> tag in HTML passed to DOM manipulation methods glob-parent: Regular Expression Denial of Service minimist: prototype pollution keycloak: HTML injection in execute-actions-email Admin REST API keycloak: XSS on impersonation under specific circumstances SnakeYaml: Constructor Deserialization Remote Code Execution Undertow: DoS can be achieved as Undertow server waits for the LAST_CHUNK forever for EJB invocations keycloak: Session takeover with OIDC offline refreshtokens keycloak: reflected XSS attack Moment.js: Path traversal in moment.locale snakeyaml: Denial of Service due to missing nested depth limitation for collections moment: inefficient parsing algorithm resulting in DoS loader-utils: Regular expression denial of service snakeyaml: Uncaught exception in org.yaml.snakeyaml.composer.Composer.composeSequenceNode snakeyaml: Uncaught exception in org.yaml.snakeyaml.constructor.BaseConstructor.constructObject snakeyaml: Uncaught exception in java.base/java.util.regex.Pattern$Ques.match jettison: parser crash by stackoverflow jettison: memory exhaustion via user-supplied XML or J…

WID-SEC-W-2023-0562 — Keycloak: Mehrere Schwachstellen

Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Keycloak ausnutzen, um falsche Informationen darzustellen und Sicherheitsvorkehrungen zu umgehen.