CVE-2023-25574
Critical
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.
SeverityCritical
CVSS10.0
Exploit probability29. percentile0.4%
ProductJupyterhub-ltiauthenticator
PublishedFeb 25, 2025
First seenFeb 25, 2025
Weakness typeCWE-347CWE-347
How to fix
Update
- jupyterhub-ltiauthenticator1.4.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| jupyterhub-ltiauthenticatorPyPI | 1.3.0 ≤ v < 1.4.0, v ≤ 1.3.0 | 1.4.0 |
| jupyter lti_jupyterhub_authenticator | 1.3.0 | — |
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