CVE-2021-32798
Special Element Injection in notebook
Impact
### Impact Untrusted notebook can execute code on load. This is a remote code execution, but requires user action to open a notebook. ### Patches 5.7.11, 6.4.1 ### References [OWASP Page on Injection Prevention](https://cheatsheetseries.owasp.org/cheatsheets/Injection_Prevention_Cheat_Sheet.html#injection-prevention-rules) ### For more information If you have any questions or comments about this advisory, or vulnerabilities to report, please email our security list security@ipython.org. Credit: Guillaume Jeanne from Google ### Example: A notebook with the following content in a cell and it would display an alert when opened for the first time in Notebook (in an untrusted state): ``` { "cell_type": "code", "execution_count": 0, "metadata": {}, "outputs": [ { "data": { "text/html": [ "<select><iframe></select><img src=x: onerror=alert('xss')>\n"], "text/plain": [] }, "metadata": {}, "output_type": "display_data" } ], "source": [ "" ] } ````
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | notebook | < 5.7.11 | 5.7.11 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Jupyter | Notebook | from 5.7.0 before 5.7.11 Version 6.4.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/jupyter/notebook/commit/79fc76e890a8ec42f73a3d009e44ef84c14ef0d5
- https://github.com/jupyter/notebook/security/advisories/GHSA-hwvq-6gjx-j797
- https://github.com/advisories/GHSA-hwvq-6gjx-j797
- https://nvd.nist.gov/vuln/detail/CVE-2021-32798
- https://github.com/pypa/advisory-database/tree/main/vulns/notebook/PYSEC-2021-118.yaml