Jupyter Notebook before 5.7.1 allows XSS via an untrusted notebook...
Vulnerability Description
Jupyter Notebook before 5.7.1 allows XSS via an untrusted notebook because nbconvert responses are considered to have the same origin as the notebook server. In other words, nbconvert endpoints can execute JavaScript with access to the server API. In notebook/nbconvert/handlers.py, NbconvertFileHandler and NbconvertPostHandler do not set a Content Security Policy to prevent this.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://groups.google.com/forum/#%21topic/jupyter/hWzu2BSsplY
- https://pypi.org/project/notebook/#history
- https://github.com/jupyter/notebook/blob/master/docs/source/changelog.rst
- https://github.com/jupyter/notebook/commit/107a89fce5f413fb5728c1c5d2c7788e1fb17491
- https://lists.debian.org/debian-lts-announce/2020/11/msg00033.html
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Weaknesses (CWE)
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MITRE ATT&CK TTPs
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