CVE-2021-32798
Description
The Jupyter notebook is a web-based notebook environment for interactive computing. In affected versions untrusted notebook can execute code on load. Jupyter Notebook uses a deprecated version of Google Caja to sanitize user inputs. A public Caja bypass can be used to trigger an XSS when a victim opens a malicious ipynb document in Jupyter Notebook. The XSS allows an attacker to execute arbitrary code on the victim computer using Jupyter APIs.
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 | 6.4.3-1 |
| sid | Fixed | 6.4.3-1 |
| forky | Fixed | 6.4.3-1 |
| bullseye | Affected | — |
| bookworm | Fixed | 6.4.3-1 |
Arch Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Fixed | 6.4.3-1 |
References
- https://github.com/jupyter/notebook/security/advisories/GHSA-hwvq-6gjx-j797
- https://nvd.nist.gov/vuln/detail/CVE-2021-32798
- https://github.com/jupyter/notebook/commit/79fc76e890a8ec42f73a3d009e44ef84c14ef0d5
- https://github.com/jupyter/notebook
- https://github.com/pypa/advisory-database/tree/main/vulns/notebook/PYSEC-2021-118.yaml
- https://security-tracker.debian.org/tracker/CVE-2021-32798
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.