CVE-2022-21659

Advisory

Flask-AppBuilder 3.4.4 includes a fix for CVE-2022-21659: In affected versions, there exists a user enumeration vulnerability. This vulnerability allows for a non authenticated user to enumerate existing accounts by timing the response time from the server when you are logging in.
https://github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-wfjw-w6pv-8p7f

Affected package

Affected versions

Fixed versions

Vulnerability changelog

Flask-AppBuilder is an application development framework, built on top of the Flask web framework. In affected versions there exists a user enumeration vulnerability. This vulnerability allows for a non authenticated user to enumerate existing accounts by timing the response time from the server when you are logging in. Users are advised to upgrade to version 3.4.4 as soon as possible. There are no known workarounds for this issue. See CVE-2022-21659.


CONFIRM:https://github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-wfjw-w6pv-8p7f: https://github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-wfjw-w6pv-8p7f
MISC:https://github.com/dpgaspar/Flask-AppBuilder/pull/1775: https://github.com/dpgaspar/Flask-AppBuilder/pull/1775

Resources

• https://github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-wfjw-w6pv-8p7f
• https://github.com/dpgaspar/Flask-AppBuilder/pull/1775
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-21659