CVE-2022-29241
Description
Jupyter Server provides the backend (i.e. the core services, APIs, and REST endpoints) for Jupyter web applications like Jupyter Notebook. Prior to version 1.17.1, if notebook server is started with a value of `root_dir` that contains the starting user's home directory, then the underlying REST API can be used to leak the access token assigned at start time by guessing/brute forcing the PID of the jupyter server. While this requires an authenticated user session, this URL can be used from a cross-site scripting payload or from a hooked or otherwise compromised browser to leak this access token to a malicious third party. This token can be used along with the REST API to interact with Jupyter services/notebooks such as modifying or overwriting critical files, such as .bashrc or .ssh/authorized_keys, allowing a malicious user to read potentially sensitive data and possibly gain control of the impacted system. This issue is patched in version 1.17.1.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Mixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1.17.1-1 |
| sid | Fixed | 1.17.1-1 |
| forky | Fixed | 1.17.1-1 |
| bullseye | Affected | — |
| bookworm | Fixed | 1.17.1-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | jupyter-server | <1.17.1 | 1.17.1 |
| PyPI | jupyter-server | >=2.0.0a0,<2.0.0a1 | 2.0.0a1 |
| PyPI | jupyter-server | <1.17.0 | 1.17.0 |
References
- https://github.com/jupyter-server/jupyter_server/security/advisories/GHSA-q874-g24w-4q9g
- https://nvd.nist.gov/vuln/detail/CVE-2022-29241
- https://github.com/jupyter-server/jupyter_server/commit/3485007abbb459585357212dcaa20521989272e8
- https://github.com/jupyter-server/jupyter_server/commit/877da10cd0d7ae45f8b1e385fa1f5a335e7adf1f
- https://github.com/jupyter-server/jupyter_server
- https://github.com/pypa/advisory-database/tree/main/vulns/jupyter-server/PYSEC-2022-211.yaml
- https://security-tracker.debian.org/tracker/CVE-2022-29241
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.