dpgaspar/flask-appbuilder · Security
Flask-AppBuilder Open Redirect vulnerability
- GHSA ID
- GHSA-624f-cqvr-3qw4
- CVE ID
- CVE-2021-32805
- Severity
- medium
- Published
- Updated
- CVSS
- 7.2 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
- CVSS v3
- 7.2 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
- CVSS v4
- 6.9 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Description
Impact
If using Flask-AppBuilder OAuth, an attacker can share a carefully crafted URL with a trusted domain for an application built with Flask-AppBuilder, this URL can redirect a user to a malicious site. This is an open redirect vulnerability
Patches
Install Flask-AppBuilder 3.2.2 or above
Workarounds
Filter HTTP traffic containing ?next={next-site} where the next-site domain is different from the application you are protecting
CWEs
- CWE-601 · URL Redirection to Untrusted Site ('Open Redirect')
References
- https://github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-624f-cqvr-3qw4 ↗
- https://github.com/dpgaspar/Flask-AppBuilder/commit/6af28521589599b1dbafd6313256229ee9a4fa74 ↗
- https://github.com/dpgaspar/Flask-AppBuilder/releases/tag/v3.3.2 ↗
- https://nvd.nist.gov/vuln/detail/CVE-2021-32805 ↗
- https://github.com/pypa/advisory-database/tree/main/vulns/flask-appbuilder/PYSEC-2021-359.yaml ↗
- https://pypi.org/project/Flask-AppBuilder ↗
- https://github.com/advisories/GHSA-624f-cqvr-3qw4 ↗