Description
An issue was discovered in Flask-CORS (aka CORS Middleware for Flask) before 3.0.9. It allows ../ directory traversal to access private resources because resource matching does not ensure that pathnames are in a canonical format.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://github.com/corydolphin/flask-cors/releases/tag/3.0.9 ↗
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00028.html ↗
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00032.html ↗
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00039.html ↗
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00048.html ↗
- https://www.debian.org/security/2020/dsa-4775 ↗