GHSA-3Q6G-VF58-7M4G

Vulnerability from github – Published: 2021-09-08 15:41 – Updated: 2024-09-20 17:57
VLAI?
Summary
Regular Expression Denial of Service in flask-restx
Details

Flask RESTX contains a regular expression that is vulnerable to ReDoS (Regular Expression Denial of Service) in email_regex.

Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "flask-restx"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.5.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-32838"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1333",
      "CWE-400"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-09-07T14:24:52Z",
    "nvd_published_at": "2021-09-20T18:15:00Z",
    "severity": "HIGH"
  },
  "details": "Flask RESTX contains a regular expression that is vulnerable to [ReDoS](https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS) (Regular Expression Denial of Service) in `email_regex`.\n",
  "id": "GHSA-3q6g-vf58-7m4g",
  "modified": "2024-09-20T17:57:56Z",
  "published": "2021-09-08T15:41:15Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/python-restx/flask-restx/security/advisories/GHSA-3q6g-vf58-7m4g"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-32838"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python-restx/flask-restx/issues/372"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python-restx/flask-restx/commit/bab31e085f355dd73858fd3715f7ed71849656da"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-3q6g-vf58-7m4g"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/flask-restx/PYSEC-2021-325.yaml"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/python-restx/flask-restx"
    },
    {
      "type": "WEB",
      "url": "https://github.com/python-restx/flask-restx/blob/fd99fe11a88531f5f3441a278f7020589f9d2cc0/flask_restx/inputs.py#L51"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5UCTFVDU3677B5OBGK4EF5NMUPJLL6SQ"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QUD6SWZLX52AAZUHDETJ2CDMQGEPGFL3"
    },
    {
      "type": "WEB",
      "url": "https://pypi.org/project/flask-restx"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Regular Expression Denial of Service in flask-restx"
}


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