UBUNTU-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.

References

Affected packages

Ubuntu:20.04:LTS / python-flask-cors

Package

Name: python-flask-cors
Purl: pkg:deb/ubuntu/python-flask-cors@3.0.8-2ubuntu0.1?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3.0.8-2ubuntu0.1

Affected versions

3.*

3.0.8-2

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "python3-flask-cors",
            "binary_version": "3.0.8-2ubuntu0.1"
        }
    ]
}

Ubuntu:22.04:LTS / python-flask-cors

Package

Name: python-flask-cors
Purl: pkg:deb/ubuntu/python-flask-cors@3.0.9-2?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

3.0.9-2

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "python3-flask-cors",
            "binary_version": "3.0.9-2"
        }
    ]
}