CVE-2020-26232: Open redirect in Jupyter Server
(updated )
What kind of vulnerability is it? Who is impacted?
Open redirect vulnerability - a maliciously crafted link to a jupyter server could redirect the browser to a different website.
All jupyter servers are technically affected, however, these maliciously crafted links can only be reasonably made for known jupyter server hosts. A link to your jupyter server may appear safe, but ultimately redirect to a spoofed server on the public internet.
This originated in jupyter/notebook: https://github.com/jupyter/notebook/security/advisories/GHSA-c7vm-f5p4-8fqh
References
- github.com/advisories/GHSA-grfj-wjv9-4f9v
- github.com/jupyter-server/jupyter_server
- github.com/jupyter-server/jupyter_server/blob/master/CHANGELOG.md
- github.com/jupyter-server/jupyter_server/commit/3d83e49090289c431da253e2bdb8dc479cbcb157
- github.com/jupyter/jupyter_server/security/advisories/GHSA-grfj-wjv9-4f9v
- github.com/pypa/advisory-database/tree/main/vulns/jupyter-server/PYSEC-2020-234.yaml
- nvd.nist.gov/vuln/detail/CVE-2020-26232
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