cve-2024-49769
Vulnerability from cvelistv5
Published
2024-10-29 14:18
Modified
2024-11-17 00:11
Summary
Waitress has a denial of service leading to high CPU usage/resource exhaustion
Impacted products
Vendor Product Version
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:pylons:waitress:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "waitress",
            "vendor": "pylons",
            "versions": [
              {
                "lessThan": "3.0.1",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-49769",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-29T14:56:24.506825Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-10-29T14:56:55.296Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-11-17T00:11:26.954Z",
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        "references": [
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            "url": "https://lists.debian.org/debian-lts-announce/2024/11/msg00012.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "waitress",
          "vendor": "Pylons",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 3.0.1"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Waitress is a Web Server Gateway Interface server for Python 2 and 3. When a remote client closes the connection before waitress has had the opportunity to call getpeername() waitress won\u0027t correctly clean up the connection leading to the main thread attempting to write to a socket that no longer exists, but not removing it from the list of sockets to attempt to process. This leads to a busy-loop calling the write function. A remote attacker could run waitress out of available sockets with very little resources required. Waitress 3.0.1 contains fixes that remove the race condition."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-772",
              "description": "CWE-772: Missing Release of Resource after Effective Lifetime",
              "lang": "en",
              "type": "CWE"
            }
          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2024-10-29T14:18:40.951Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/Pylons/waitress/security/advisories/GHSA-3f84-rpwh-47g6",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/Pylons/waitress/security/advisories/GHSA-3f84-rpwh-47g6"
        },
        {
          "name": "https://github.com/Pylons/waitress/issues/418",
          "tags": [
            "x_refsource_MISC"
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          "url": "https://github.com/Pylons/waitress/issues/418"
        },
        {
          "name": "https://github.com/Pylons/waitress/pull/435",
          "tags": [
            "x_refsource_MISC"
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          "url": "https://github.com/Pylons/waitress/pull/435"
        },
        {
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          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/Pylons/waitress/commit/1ae4e894c9f76543bee06584001583fc6fa8c95c"
        }
      ],
      "source": {
        "advisory": "GHSA-3f84-rpwh-47g6",
        "discovery": "UNKNOWN"
      },
      "title": "Waitress has a denial of service leading to high CPU usage/resource exhaustion"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2024-49769",
    "datePublished": "2024-10-29T14:18:40.951Z",
    "dateReserved": "2024-10-18T13:43:23.457Z",
    "dateUpdated": "2024-11-17T00:11:26.954Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-49769\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2024-10-29T15:15:12.030\",\"lastModified\":\"2024-11-21T09:41:49.443\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Waitress is a Web Server Gateway Interface server for Python 2 and 3. When a remote client closes the connection before waitress has had the opportunity to call getpeername() waitress won\u0027t correctly clean up the connection leading to the main thread attempting to write to a socket that no longer exists, but not removing it from the list of sockets to attempt to process. This leads to a busy-loop calling the write function. A remote attacker could run waitress out of available sockets with very little resources required. Waitress 3.0.1 contains fixes that remove the race condition.\"},{\"lang\":\"es\",\"value\":\"Waitress es un servidor de interfaz de puerta de enlace de servidor web para Python 2 y 3. Cuando un cliente remoto cierra la conexi\u00f3n antes de que waitress haya tenido la oportunidad de llamar a getpeername(), waitress no limpiar\u00e1 correctamente la conexi\u00f3n, lo que lleva al hilo principal a intentar escribir en un socket que ya no existe, pero no lo eliminar\u00e1 de la lista de sockets que se intentar\u00e1n procesar. Esto conduce a un bucle de actividad que llama a la funci\u00f3n de escritura. Un atacante remoto podr\u00eda dejar a waitress sin sockets disponibles y requerir muy pocos recursos. Waitress 3.0.1 contiene correcciones que eliminan la condici\u00f3n de carrera.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"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},{\"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}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-772\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:agendaless:waitress:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"3.0.1\",\"matchCriteriaId\":\"BEED9ACE-30D9-4684-B15C-FABCE120401F\"}]}]}],\"references\":[{\"url\":\"https://github.com/Pylons/waitress/commit/1ae4e894c9f76543bee06584001583fc6fa8c95c\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Patch\"]},{\"url\":\"https://github.com/Pylons/waitress/issues/418\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Issue Tracking\"]},{\"url\":\"https://github.com/Pylons/waitress/pull/435\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Patch\"]},{\"url\":\"https://github.com/Pylons/waitress/security/advisories/GHSA-3f84-rpwh-47g6\",\"source\":\"security-advisories@github.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/11/msg00012.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


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