Vulnerabilities affecting this package (0)
| Vulnerability |
Summary |
Fixed by |
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This package is not known to be affected by vulnerabilities.
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Vulnerabilities fixed by this package (1)
| Vulnerability |
Summary |
Aliases |
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VCID-111h-br2m-7bbu
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LTI JupyterHub Authenticator does not properly validate JWT Signature
### Impact
Only users that has configured a JupyterHub installation to use the authenticator class `LTI13Authenticator` are influenced.
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 granting access to existing and new user identities.
### Patches
None.
### Workarounds
None.
### References
- [This code segment](https://github.com/jupyterhub/ltiauthenticator/blob/3feec2e81b9d3b0ad6b58ab4226af640833039f3/ltiauthenticator/lti13/validator.py#L122-L164) didn't validate a JWT signature.
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CVE-2023-25574
GHSA-mcgx-2gcr-p3hp
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