Insufficient data authenticity validation In jupyterhub-ltiauthenticator
Description
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 didn't validate a JWT signature.
Mitigation
Update Impact
Minimal update. May introduce new vulnerabilities or breaking changes.
Ecosystem | Package | Affected version | Patched versions |
|---|---|---|---|
pypi | 1.4.0 |
Aliases
1. 2. 3. 4. 5.
References
1. 2. 3. 4.