PYSEC-2020-43

Vulnerability from pysec - Published: 2020-08-31 04:15 - Updated: 2020-10-21 12:15
VLAI?
Details

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.

Impacted products
Name purl
flask-cors pkg:pypi/flask-cors
Aliases
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "flask-cors",
        "purl": "pkg:pypi/flask-cors"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.0.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0",
        "1.1",
        "1.1.1",
        "1.1.2",
        "1.1.3",
        "1.2.0",
        "1.2.1",
        "1.3.0",
        "1.3.1",
        "1.4.0",
        "1.5.0",
        "1.6.0",
        "1.6.1",
        "1.7.0",
        "1.7.1",
        "1.7.2",
        "1.7.3",
        "1.7.4",
        "1.8.0",
        "1.8.1",
        "1.9.0",
        "1.10.0",
        "1.10.1",
        "1.10.2",
        "1.10.3",
        "2.0.0rc1",
        "2.0.0",
        "2.0.1",
        "2.1.0",
        "2.1.1",
        "2.1.2",
        "2.1.3",
        "3.0.0",
        "3.0.1",
        "3.0.2",
        "3.0.3",
        "3.0.4",
        "3.0.6",
        "3.0.7",
        "3.0.8"
      ]
    }
  ],
  "aliases": [
    "CVE-2020-25032",
    "GHSA-xc3p-ff3m-f46v"
  ],
  "details": "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.",
  "id": "PYSEC-2020-43",
  "modified": "2020-10-21T12:15:00Z",
  "published": "2020-08-31T04:15:00Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/corydolphin/flask-cors/releases/tag/3.0.9"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00028.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00032.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00039.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00048.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.debian.org/security/2020/dsa-4775"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-xc3p-ff3m-f46v"
    }
  ]
}


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