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CVE-2019-14232 (GCVE-0-2019-14232)

Vulnerability from cvelistv5 – Published: 2019-08-02 00:00 – Updated: 2024-08-05 00:12
VLAI
Summary
An issue was discovered in Django 1.11.x before 1.11.23, 2.1.x before 2.1.11, and 2.2.x before 2.2.4. If django.utils.text.Truncator's chars() and words() methods were passed the html=True argument, they were extremely slow to evaluate certain inputs due to a catastrophic backtracking vulnerability in a regular expression. The chars() and words() methods are used to implement the truncatechars_html and truncatewords_html template filters, which were thus vulnerable.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-02 18:04 UTC
CWE
  • n/a
  • CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
Vendor Product Version CPE status
djangoblog_project djangoblog Affected: 1.11.23 , < 2.2.4 (custom)
    cpe:2.3:a:djangoblog_project:djangoblog:*:*:*:*:*:*:*:*
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Si los m\u00e9todos chars() y words() de django.utils.text.Truncator pasaron el argumento  html=True, fueron extremadamente lentos para evaluar ciertas entradas debido a una vulnerabilidad de retroceso catastr\u00f3fico en una expresi\u00f3n regular. 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vulnerables.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-400\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-400\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"1.11\",\"versionEndExcluding\":\"1.11.23\",\"matchCriteriaId\":\"F49BD116-09A6-454E-BB68-65FCDE06DF33\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.1\",\"versionEndExcluding\":\"2.1.11\",\"matchCriteriaId\":\"2D05096B-F60E-4DB2-AE59-EED55F945AB0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.2\",\"versionEndExcluding\":\"2.2.4\",\"matchCriteriaId\":\"8B4FBBCF-BF41-487F-A6DA-A3A12E42D28B\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B620311B-34A3-48A6-82DF-6F078D7A4493\"}]}]}],\"references\":[{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00006.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third 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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T06:14:08+00:00",
      "cve": "CVE-2019-14232",
      "id": "CVE-2019-14232",
      "initial_release_date": "2019-08-01T08:00:00+00:00",
      "product_status:fixed": "9",
      "product_status:known_affected": "24",
      "product_status:known_not_affected": "6",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Django: backtracking in a regular expression in django.utils.text.Truncator leads to DoS",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-14232.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-19T18:23:00Z",
      "cve": "CVE-2019-14232",
      "id": "CVE-2019-14232",
      "initial_release_date": "2023-02-15T04:10:02Z",
      "product_status:known_not_affected": "4",
      "product_status:recommended": "25",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2019-14232",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2019-14232.json",
      "version": "18"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://docs.djangoproject.com/en/dev/releases/security/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://groups.google.com/forum/#%21topic/django-announce/jIoju2-KLDs\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://www.djangoproject.com/weblog/2019/aug/01/security-releases/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00006.html\", \"name\": \"openSUSE-SU-2019:1839\", \"tags\": [\"vendor-advisory\", \"x_transferred\"]}, {\"url\": \"https://seclists.org/bugtraq/2019/Aug/15\", \"name\": \"20190812 [SECURITY] [DSA 4498-1] python-django security update\", \"tags\": [\"mailing-list\", \"x_transferred\"]}, {\"url\": \"https://www.debian.org/security/2019/dsa-4498\", \"name\": \"DSA-4498\", \"tags\": [\"vendor-advisory\", \"x_transferred\"]}, {\"url\": 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\"timestamp\": \"2024-05-02T18:04:48.307144Z\"}}}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:djangoblog_project:djangoblog:*:*:*:*:*:*:*:*\"], \"vendor\": \"djangoblog_project\", \"product\": \"djangoblog\", \"versions\": [{\"status\": \"affected\", \"version\": \"1.11.23\", \"lessThan\": \"2.2.4\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-400\", \"description\": \"CWE-400 Uncontrolled Resource Consumption\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-05-02T17:59:22.113Z\"}, \"title\": \"CISA ADP Vulnrichment\"}], \"cna\": {\"affected\": [{\"vendor\": \"n/a\", \"product\": \"n/a\", \"versions\": [{\"status\": \"affected\", \"version\": \"n/a\"}]}], \"references\": [{\"url\": \"https://docs.djangoproject.com/en/dev/releases/security/\"}, {\"url\": \"https://groups.google.com/forum/#%21topic/django-announce/jIoju2-KLDs\"}, {\"url\": \"https://www.djangoproject.com/weblog/2019/aug/01/security-releases/\"}, {\"url\": \"http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00006.html\", \"name\": \"openSUSE-SU-2019:1839\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"https://seclists.org/bugtraq/2019/Aug/15\", \"name\": \"20190812 [SECURITY] [DSA 4498-1] python-django security update\", \"tags\": [\"mailing-list\"]}, {\"url\": \"https://www.debian.org/security/2019/dsa-4498\", \"name\": \"DSA-4498\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00025.html\", \"name\": \"openSUSE-SU-2019:1872\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/STVX7X7IDWAH5SKE6MBMY3TEI6ZODBTK/\", \"name\": \"FEDORA-2019-647f74ce51\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20190828-0002/\"}, {\"url\": \"https://security.gentoo.org/glsa/202004-17\", \"name\": \"GLSA-202004-17\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2023/10/04/6\", \"name\": \"[oss-security] 20231004 Django: CVE-2023-43665: Denial-of-service possibility in django.utils.text.Truncator\", \"tags\": [\"mailing-list\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2024/03/04/1\", \"name\": \"[oss-security] 20240304 Django: CVE-2024-27351: Potential regular expression denial-of-service in django.utils.text.Truncator.words()\", \"tags\": [\"mailing-list\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"An issue was discovered in Django 1.11.x before 1.11.23, 2.1.x before 2.1.11, and 2.2.x before 2.2.4. If django.utils.text.Truncator\u0027s chars() and words() methods were passed the html=True argument, they were extremely slow to evaluate certain inputs due to a catastrophic backtracking vulnerability in a regular expression. The chars() and words() methods are used to implement the truncatechars_html and truncatewords_html template filters, which were thus vulnerable.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"n/a\"}]}], \"providerMetadata\": {\"orgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"shortName\": \"mitre\", \"dateUpdated\": \"2024-05-01T17:09:49.299848\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2019-14232\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-08-05T00:12:42.892Z\", \"dateReserved\": \"2019-07-22T00:00:00\", \"assignerOrgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"datePublished\": \"2019-08-02T00:00:00\", \"assignerShortName\": \"mitre\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.


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