Vulnerability-Lookup

PYSEC-2021-325

Vulnerability from pysec - Published: 2021-09-20 18:15 - Updated: 2021-09-20 20:31

Details

Flask-RESTX (pypi package flask-restx) is a community driven fork of Flask-RESTPlus. Flask-RESTX before version 0.5.1 is vulnerable to ReDoS (Regular Expression Denial of Service) in email_regex. This is fixed in version 0.5.1.

Impacted products

Name	purl
flask-restx	pkg:pypi/flask-restx

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "flask-restx",
        "purl": "pkg:pypi/flask-restx"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "bab31e085f355dd73858fd3715f7ed71849656da"
            }
          ],
          "repo": "https://github.com/python-restx/flask-restx",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.5.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0.1.dev0",
        "0.1.0",
        "0.1.1",
        "0.2.0",
        "0.3.0",
        "0.4.0",
        "0.5.0"
      ]
    }
  ],
  "aliases": [
    "CVE-2021-32838",
    "GHSA-3q6g-vf58-7m4g"
  ],
  "details": "Flask-RESTX (pypi package flask-restx) is a community driven fork of Flask-RESTPlus. Flask-RESTX before version 0.5.1 is vulnerable to ReDoS (Regular Expression Denial of Service) in email_regex. This is fixed in version 0.5.1.",
  "id": "PYSEC-2021-325",
  "modified": "2021-09-20T20:31:06.092661Z",
  "published": "2021-09-20T18:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://github.com/python-restx/flask-restx/issues/372"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/flask-restx/"
    },
    {
      "type": "FIX",
      "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/python-restx/flask-restx/blob/fd99fe11a88531f5f3441a278f7020589f9d2cc0/flask_restx/inputs.py#L51"
    }
  ]
}

CVE-2021-32838 (GCVE-0-2021-32838)

Vulnerability from cvelistv5 – Published: 2021-09-20 17:30 – Updated: 2024-08-03 23:33

Title

Regular Expression Denial of Service in flask-restx

Summary

Severity ?

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-400 - Uncontrolled Resource Consumption

Assigner

GitHub_M

References

URL

Tags

	https://github.com/advisories/GHSA-3q6g-vf58-7m4g	x_refsource_CONFIRM
	https://github.com/python-restx/flask-restx/issues/372	x_refsource_MISC
	https://github.com/python-restx/flask-restx/commi…	x_refsource_MISC
	https://github.com/python-restx/flask-restx/blob/…	x_refsource_MISC
	https://pypi.org/project/flask-restx/	x_refsource_MISC
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA

Impacted products

	Vendor	Product	Version
	python-restx	flask-restx	Affected: < 0.5.1

Show details on NVD website

JSON

To clipboard

{
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        },
        "affects": {
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GHSA-3Q6G-VF58-7M4G

Vulnerability from github – Published: 2021-09-08 15:41 – Updated: 2024-09-20 17:57

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

Show details on source website

JSON

To clipboard

{
  "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"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

PYSEC-2021-325

CVE-2021-32838 (GCVE-0-2021-32838)

GHSA-3Q6G-VF58-7M4G

Tags

Sightings

Nomenclature