
CVE-2023-6291 – Keycloak: redirect_uri validation bypass
https://notcve.org/view.php?id=CVE-2023-6291
26 Jan 2024 — A flaw was found in the redirect_uri validation logic in Keycloak. This issue may allow a bypass of otherwise explicitly allowed hosts. A successful attack may lead to an access token being stolen, making it possible for the attacker to impersonate other users. Se encontró un fallo en la lógica de validación de redirect_uri en Keycloak. Este problema puede permitir la omisión de hosts permitidos explícitamente. • https://access.redhat.com/errata/RHSA-2023:7854 • CWE-601: URL Redirection to Untrusted Site ('Open Redirect') •

CVE-2023-44487 – HTTP/2 Rapid Reset Attack Vulnerability
https://notcve.org/view.php?id=CVE-2023-44487
10 Oct 2023 — The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023. El protocolo HTTP/2 permite una denegación de servicio (consumo de recursos del servidor) porque la cancelación de solicitudes puede restablecer muchas transmisiones rápidamente, como se explotó en la naturaleza entre agosto y octubre de 2023. A flaw was found in handling multiplexed streams in the HTTP/2 protocol. ... • https://github.com/imabee101/CVE-2023-44487 • CWE-400: Uncontrolled Resource Consumption •

CVE-2022-4492 – undertow: Server identity in https connection is not checked by the undertow client
https://notcve.org/view.php?id=CVE-2022-4492
23 Feb 2023 — The undertow client is not checking the server identity presented by the server certificate in https connections. This is a compulsory step (at least it should be performed by default) in https and in http/2. I would add it to any TLS client protocol. A flaw was found in undertow. The undertow client is not checking the server identity the server certificate presents in HTTPS connections. • https://access.redhat.com/security/cve/CVE-2022-4492 • CWE-550: Server-generated Error Message Containing Sensitive Information CWE-918: Server-Side Request Forgery (SSRF) •