GHSA-xc3p-ff3m-f46v
Flask-Cors Directory Traversal vulnerability
At a glance
- Published
- Updated
- CVE
- CVE-2020-25032
- Aliases
- PYSEC-2020-43
- CVSS_V3
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS_V4
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
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 packages
| Package | Versions |
|---|---|
| PyPI · flask-cors | introduced 0, fixed 3.0.9 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-25032 ADVISORY
- https://github.com/corydolphin/flask-cors/commit/67c4b2cc98ae87cf1fa7df4f97fd81b40c79b895 WEB
- https://github.com/advisories/GHSA-xc3p-ff3m-f46v ADVISORY
- https://github.com/corydolphin/flask-cors PACKAGE
- https://github.com/corydolphin/flask-cors/releases/tag/3.0.9 WEB
- https://github.com/pypa/advisory-database/tree/main/vulns/flask-cors/PYSEC-2020-43.yaml WEB
- https://www.debian.org/security/2020/dsa-4775 WEB
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00028.html WEB
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00032.html WEB
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00039.html WEB
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00048.html WEB
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — GitHub Advisory Database |