💣Exploit CVE-2023-25574 - Jupyterhub-LTIAuthenticator JWT Signature Validation Bypass

[Mental_Outlaw]

CVE ID : CVE-2023-25574
Published : Feb. 25, 2025, 3:15 p.m. | 34 minutes ago
Description : `jupyterhub-ltiauthenticator` is a JupyterHub authenticator for learning tools interoperability (LTI). LTI13Authenticator that was introduced in `jupyterhub-ltiauthenticator` 1.3.0 wasn't validating JWT signatures. This is believed to allow the LTI13Authenticator to authorize a forged request. Only users that has configured a JupyterHub installation to use the authenticator class `LTI13Authenticator` are affected. `jupyterhub-ltiauthenticator` version 1.4.0 removes LTI13Authenticator to address the issue. No known workarounds are available.
Severity: 10.0 | CRITICAL
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