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CVE-2019-5737 (GCVE-0-2019-5737)

Vulnerability from cvelistv5 – Published: 2019-03-28 16:20 – Updated: 2024-08-04 20:01
VLAI
Summary
In Node.js including 6.x before 6.17.0, 8.x before 8.15.1, 10.x before 10.15.2, and 11.x before 11.10.1, an attacker can cause a Denial of Service (DoS) by establishing an HTTP or HTTPS connection in keep-alive mode and by sending headers very slowly. This keeps the connection and associated resources alive for a long period of time. Potential attacks are mitigated by the use of a load balancer or other proxy layer. This vulnerability is an extension of CVE-2018-12121, addressed in November and impacts all active Node.js release lines including 6.x before 6.17.0, 8.x before 8.15.1, 10.x before 10.15.2, and 11.x before 11.10.1.
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 / Denial of Service
Assigner
References
Impacted products
Vendor Product Version CPE status
Node.js Node.js Affected: All versions prior to 6.17.0
Affected: All versions prior to 8.15.1
Affected: All versions prior to 10.15.2
Affected: All versions prior to 11.10.1
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Date Public
2019-02-28 00:00
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This vulnerability is an extension of CVE-2018-12121, addressed in November and impacts all active Node.js release lines including 6.x before 6.17.0, 8.x before 8.15.1, 10.x before 10.15.2, and 11.x before 11.10.1.\"},{\"lang\":\"es\",\"value\":\"En Node.js, que incluye la versi\u00f3n 6.x en versiones anteriores a la 6.17.0, 8.x en versiones anteriores a la 8.15.1, 10.x en versiones anteriores a la 10.15.2 y 11.x en versiones anteriores a la 11.10.1, un atacante puede provocar una denegaci\u00f3n de servicio (DoS) instalando una conexi\u00f3n HTTP o HTTPS en modo keep-alive y enviando encabezados muy lentamente. Esto mantiene la conexi\u00f3n y los recursos asociados activos durante un largo per\u00edodo de tiempo. Los posibles ataques se ven reducido mediante el uso de un equilibrador de carga u otra capa proxy. Esta vulnerabilidad es una extensi\u00f3n de CVE-2018-12121, abordada en noviembre y afecta a todas las l\u00edneas de versi\u00f3n activas de Node.js, incluidas 6.x en versiones anteriores a la 6.17.0, 8.x en versiones anteriores a la 8.15.1, 10.x en versiones anteriores a la 10.15.2, y 11.x en versiones anteriores a la 11.10.1.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"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}],\"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\":\"cve-request@iojs.org\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-400\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-770\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*\",\"versionStartIncluding\":\"6.0.0\",\"versionEndExcluding\":\"6.17.0\",\"matchCriteriaId\":\"2EC91F8D-516E-4BCE-848F-D3067204B6D5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*\",\"versionStartIncluding\":\"8.0.0\",\"versionEndExcluding\":\"8.15.1\",\"matchCriteriaId\":\"151F282C-7B94-4D92-9D3E-6562533D0863\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*\",\"versionStartIncluding\":\"10.0.0\",\"versionEndExcluding\":\"10.15.2\",\"matchCriteriaId\":\"1B262406-C8BB-40CA-8082-162EE67CD864\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*\",\"versionStartIncluding\":\"11.0.0\",\"versionEndExcluding\":\"11.10.1\",\"matchCriteriaId\":\"AC79D17F-2042-4153-8BD6-EC6F621123B2\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5F65DAB0-3DAD-49FF-BC73-3581CC3D5BF3\"}]}]}],\"references\":[{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00041.html\",\"source\":\"cve-request@iojs.org\",\"tags\":[\"Mailing 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    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-28T07:29:34+00:00",
      "cve": "CVE-2019-5737",
      "id": "CVE-2019-5737",
      "initial_release_date": "2019-02-28T00:00:00+00:00",
      "product_status:fixed": "233",
      "product_status:known_affected": "16",
      "product_status:known_not_affected": "2",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "nodejs: Insufficient Slowloris fix causing DoS via server.headersTimeout bypass",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-5737.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "low",
      "current_release_date": "2025-05-17T06:29:21Z",
      "cve": "CVE-2019-5737",
      "id": "CVE-2019-5737",
      "initial_release_date": "2023-02-15T04:17:12Z",
      "product_status:known_affected": "35",
      "product_status:known_not_affected": "61",
      "product_status:recommended": "419",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2019-5737",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2019-5737.json",
      "version": "13"
    }
  }
}



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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

Author Source Type Date Other

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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.