CVE-2023-34110
Publication date 22 June 2023
Last updated 26 August 2025
Ubuntu priority
Description
Flask-AppBuilder is an application development framework, built on top of Flask. Prior to version 4.3.2, an authenticated malicious actor with Admin privileges, could by adding a special character on the add, edit User forms trigger a database error, this error is surfaced back to this actor on the UI. On certain database engines this error can include the entire user row including the pbkdf2:sha256 hashed password. This vulnerability has been fixed in version 4.3.2.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| flask-appbuilder | ||
| 22.04 LTS jammy | Not in release | |
| 20.04 LTS focal | Not in release | |
| 18.04 LTS bionic | Ignored end of standard support | |
| 16.04 LTS xenial | Ignored end of standard support | |
| 14.04 LTS trusty | Ignored end of standard support |
Severity score breakdown
CVSS version: CVSS v3.0
Base score
2.7 · Low
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
References
Other references
- https://github.com/dpgaspar/Flask-AppBuilder/commit/ae25ad4c87a9051ebe4a4e8f02aee73232642626
- https://github.com/dpgaspar/Flask-AppBuilder/releases/tag/v4.3.2
- https://github.com/dpgaspar/Flask-AppBuilder/pull/2045
- https://github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-jhpr-j7cq-3jp3
- https://www.cve.org/CVERecord?id=CVE-2023-34110