Improper Verification of Cryptographic Signature Affecting jupyterhub-ltiauthenticator package, versions [1.3.0,1.4.0)
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- published26 Feb 2025
- disclosed25 Feb 2025
- creditUnknown
Introduced: 25 Feb 2025
NewCVE-2023-25574 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade jupyterhub-ltiauthenticator to version 1.4.0 or higher.
Overview
jupyterhub-ltiauthenticator is a JupyterHub authenticator implementing LTI v1.1 and LTI v1.3
Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature in the jwt_verify_and_decode() function, in the form of improper validation of JWT signatures. An attacker can authorize a forged request if the target application is configured to use LTI13Authenticator.