GHSA-xc3p-ff3m-f46v
Flask-Cors Directory Traversal vulnerability
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| PyPI | Flask-Cors | < 3.0.9 | 3.0.9 |
Details
As written in the advisory (Markdown source, shown as plain text).
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.
References
External links from the advisory. They lead to third-party sites.
- https://nvd.nist.gov/vuln/detail/CVE-2020-25032
- https://github.com/corydolphin/flask-cors/commit/67c4b2cc98ae87cf1fa7df4f97fd81b40c79b895
- https://github.com/advisories/GHSA-xc3p-ff3m-f46v
- https://github.com/corydolphin/flask-cors
- https://github.com/corydolphin/flask-cors/releases/tag/3.0.9
- https://github.com/pypa/advisory-database/tree/main/vulns/flask-cors/PYSEC-2020-43.yaml
- 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