high7.5
CVE-2020-25032
An issue was discovered in Flask-CORS (aka CORS Middleware for Flask) before 3.0.9.
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Flask-Cors Project | Flask-Cors | before 3.0.9 |
| Debian | Debian Linux | Version 10.0 |
| Opensuse | Backports Sle | Version 15.0 |
| Opensuse | Leap | Versions 15.1, 15.2 |
Weakness classification
References
- NVD record
- CVE.org record
- 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/releases/tag/3.0.9
- https://www.debian.org/security/2020/dsa-4775
- 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/releases/tag/3.0.9
- https://www.debian.org/security/2020/dsa-4775