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    Related vulnerabilities

    PYSEC-2021-337

    Vulnerability from pysec - Published: 2021-07-05 11:15 - Updated: 2021-09-26 23:32
    VLAI
    Details

    This affects all versions of package Flask-User. When using the make_safe_url function, it is possible to bypass URL validation and redirect a user to an arbitrary URL by providing multiple back slashes such as /////evil.com/path or \\evil.com/path. This vulnerability is only exploitable if an alternative WSGI server other than Werkzeug is used, or the default behaviour of Werkzeug is modified using 'autocorrect_location_header=False.

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

    {
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "flask-user",
        "purl": "pkg:pypi/flask-user"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.3",
        "0.3.1",
        "0.3.2",
        "0.3.3",
        "0.3.4",
        "0.3.5",
        "0.3.6",
        "0.3.7",
        "0.3.8",
        "0.4.0",
        "0.4.1",
        "0.4.2",
        "0.4.3",
        "0.4.4",
        "0.4.5",
        "0.4.6",
        "0.4.7",
        "0.4.8",
        "0.4.9",
        "0.5.0",
        "0.5.1",
        "0.5.2",
        "0.5.3",
        "0.5.4",
        "0.5.5",
        "0.6",
        "0.6.1",
        "0.6.10",
        "0.6.12",
        "0.6.13",
        "0.6.14",
        "0.6.15",
        "0.6.16",
        "0.6.17",
        "0.6.19",
        "0.6.2",
        "0.6.20",
        "0.6.21",
        "0.6.3",
        "0.6.4",
        "0.6.5",
        "0.6.6",
        "0.6.7",
        "0.6.8",
        "0.6.9",
        "1.0.1.1",
        "1.0.1.2",
        "1.0.1.3",
        "1.0.1.4",
        "1.0.1.5",
        "1.0.2.0",
        "1.0.2.1",
        "1.0.2.2"
      ]
    }
  ],
  "aliases": [
    "CVE-2021-23401",
    "SNYK-PYTHON-FLASKUSER-1293188",
    "GHSA-4298-89hc-6rfv"
  ],
  "details": "This affects all versions of package Flask-User. When using the make_safe_url function, it is possible to bypass URL validation and redirect a user to an arbitrary URL by providing multiple back slashes such as /////evil.com/path or \\\\\\evil.com/path. This vulnerability is only exploitable if an alternative WSGI server other than Werkzeug is used, or the default behaviour of Werkzeug is modified using \u0027autocorrect_location_header=False.",
  "id": "PYSEC-2021-337",
  "modified": "2021-09-26T23:32:30.327481Z",
  "published": "2021-07-05T11:15:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://snyk.io/vuln/SNYK-PYTHON-FLASKUSER-1293188"
    },
    {
      "type": "WEB",
      "url": "https://github.com/lingthio/Flask-User"
    },
    {
      "type": "WEB",
      "url": "https://github.com/lingthio/Flask-User/blob/master/flask_user/user_manager__utils.py"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-4298-89hc-6rfv"
    }
  ]
}