CVE-2020-25032
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.
| Software | From | Fixed in |
|---|---|---|
| flask-cors_project / flask-cors | - | 3.0.9 |
| debian / debian_linux | 10.0 | 10.0.x |
| opensuse / leap | 15.1 | 15.1.x |
| opensuse / backports_sle | 15.0-sp1 | 15.0-sp1.x |
| opensuse / leap | 15.2 | 15.2.x |
| opensuse / backports_sle | 15.0-sp2 | 15.0-sp2.x |
Flask-Cors
|
- | 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://github.com/corydolphin/flask-cors/commit/67c4b2cc98ae87cf1fa7df4f97fd81b40c79b895
- https://github.com/corydolphin/flask-cors/releases/tag/3.0.9
- https://www.debian.org/security/2020/dsa-4775
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