Description
Flask-AppBuilder is a development framework, built on top of Flask. User enumeration in database authentication in Flask-AppBuilder <= 3.2.3. Allows for a non authenticated user to enumerate existing accounts by timing the response time from the server when you are logging in. Upgrade to version 3.3.0 or higher to resolve.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| dpgaspar | Flask-AppBuilder | < 3.3.0 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | flask-appbuilder | < 3.3.0 | 3.3.0 | GHSA-434h-p4gx-jm89 |
References
- https://github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-434h-p4gx-jm89
- https://github.com/dpgaspar/Flask-AppBuilder/commit/780bd0e8fbf2d36ada52edb769477e0a4edae580
- https://pypi.org/project/Flask-AppBuilder/
- [announce] 20210618 Apache Airflow CVE: CVE-2021-29621: User enumeration in database authentication in Flask-AppBuilder <= 3.2.3. mailing-list
- [announce] 20210623 Success at Apache: Security in Practice mailing-list
- [airflow-commits] 20210712 [GitHub] [airflow] ashb commented on pull request #16942: Relax version constraint on ``Flask-Appbuilder`` mailing-list