ghsa-h8gc-pgj2-vjm3
Vulnerability from github
Published
2023-11-03 06:36
Modified
2024-09-20 15:42
Severity ?
5.9 (Medium) - CVSS:3.1/AV:N/AC:H/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
Summary
Django Denial-of-service in django.utils.text.Truncator
Details

In Django 3.2 before 3.2.22, 4.1 before 4.1.12, and 4.2 before 4.2.6, the django.utils.text.Truncator chars() and words() methods (when used with html=True) are subject to a potential DoS (denial of service) attack via certain inputs with very long, potentially malformed HTML text. The chars() and words() methods are used to implement the truncatechars_html and truncatewords_html template filters, which are thus also vulnerable. NOTE: this issue exists because of an incomplete fix for CVE-2019-14232.

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{
  "affected": [
    {
      "ecosystem_specific": {
        "affected_functions": [
          "django.utils.text.Truncator"
        ]
      },
      "package": {
        "ecosystem": "PyPI",
        "name": "Django"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.2a1"
            },
            {
              "fixed": "3.2.22"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "affected_functions": [
          "django.utils.text.Truncator"
        ]
      },
      "package": {
        "ecosystem": "PyPI",
        "name": "Django"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.1a1"
            },
            {
              "fixed": "4.1.12"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "affected_functions": [
          "django.utils.text.Truncator"
        ]
      },
      "package": {
        "ecosystem": "PyPI",
        "name": "Django"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.2a1"
            },
            {
              "fixed": "4.2.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-43665"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1284",
      "CWE-400"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-11-03T19:35:28Z",
    "nvd_published_at": "2023-11-03T05:15:30Z",
    "severity": "MODERATE"
  },
  "details": "In Django 3.2 before 3.2.22, 4.1 before 4.1.12, and 4.2 before 4.2.6, the django.utils.text.Truncator chars() and words() methods (when used with html=True) are subject to a potential DoS (denial of service) attack via certain inputs with very long, potentially malformed HTML text. The chars() and words() methods are used to implement the truncatechars_html and truncatewords_html template filters, which are thus also vulnerable. NOTE: this issue exists because of an incomplete fix for CVE-2019-14232.",
  "id": "GHSA-h8gc-pgj2-vjm3",
  "modified": "2024-09-20T15:42:13Z",
  "published": "2023-11-03T06:36:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-43665"
    },
    {
      "type": "WEB",
      "url": "https://github.com/django/django/commit/be9c27c4d18c2e6a5be8af4e53c0797440794473"
    },
    {
      "type": "WEB",
      "url": "https://github.com/django/django/commit/c7b7024742250414e426ad49fb80db943e7ba4e8"
    },
    {
      "type": "WEB",
      "url": "https://github.com/django/django/commit/ccdade1a0262537868d7ca64374de3d957ca50c5"
    },
    {
      "type": "WEB",
      "url": "https://docs.djangoproject.com/en/4.2/releases/security"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/django/django"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2023-226.yaml"
    },
    {
      "type": "WEB",
      "url": "https://groups.google.com/forum/#!forum/django-announce"
    },
    {
      "type": "WEB",
      "url": "https://groups.google.com/forum/#%21forum/django-announce"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HJFRPUHDYJHBH3KYHSPGULQM4JN7BMSU"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HJFRPUHDYJHBH3KYHSPGULQM4JN7BMSU"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20231221-0001"
    },
    {
      "type": "WEB",
      "url": "https://www.djangoproject.com/weblog/2023/oct/04/security-releases"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2024/03/04/1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/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": "Django Denial-of-service in django.utils.text.Truncator"
}


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