{
  "GSD": {
    "alias": "CVE-2023-28366",
    "id": "GSD-2023-28366"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-28366"
      ],
      "details": "The broker in Eclipse Mosquitto 1.3.2 through 2.x before 2.0.16 has a memory leak that can be abused remotely when a client sends many QoS 2 messages with duplicate message IDs, and fails to respond to PUBREC commands. This occurs because of mishandling of EAGAIN from the libc send function.",
      "id": "GSD-2023-28366",
      "modified": "2023-12-13T01:20:48.493869Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2023-28366",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "The broker in Eclipse Mosquitto 1.3.2 through 2.x before 2.0.16 has a memory leak that can be abused remotely when a client sends many QoS 2 messages with duplicate message IDs, and fails to respond to PUBREC commands. This occurs because of mishandling of EAGAIN from the libc send function."
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/eclipse/mosquitto/compare/v2.0.15...v2.0.16",
            "refsource": "MISC",
            "url": "https://github.com/eclipse/mosquitto/compare/v2.0.15...v2.0.16"
          },
          {
            "name": "https://www.compass-security.com/fileadmin/Research/Advisories/2023_02_CSNC-2023-001_Eclipse_Mosquitto_Memory_Leak.txt",
            "refsource": "MISC",
            "url": "https://www.compass-security.com/fileadmin/Research/Advisories/2023_02_CSNC-2023-001_Eclipse_Mosquitto_Memory_Leak.txt"
          },
          {
            "name": "https://mosquitto.org/blog/2023/08/version-2-0-16-released/",
            "refsource": "CONFIRM",
            "url": "https://mosquitto.org/blog/2023/08/version-2-0-16-released/"
          },
          {
            "name": "https://github.com/eclipse/mosquitto/commit/6113eac95a9df634fbc858be542c4a0456bfe7b9",
            "refsource": "CONFIRM",
            "url": "https://github.com/eclipse/mosquitto/commit/6113eac95a9df634fbc858be542c4a0456bfe7b9"
          },
          {
            "name": "FEDORA-2023-9adc4be8b0",
            "refsource": "FEDORA",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KJ2FMBGVVQEQWTTQB7YLKTAHMX2UM66X/"
          },
          {
            "name": "DSA-5511",
            "refsource": "DEBIAN",
            "url": "https://www.debian.org/security/2023/dsa-5511"
          },
          {
            "name": "GLSA-202401-09",
            "refsource": "GENTOO",
            "url": "https://security.gentoo.org/glsa/202401-09"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "489726DB-BC82-41A1-AB84-800B80E459A1",
                    "versionEndExcluding": "2.0.16",
                    "versionStartIncluding": "1.3.2",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "descriptions": [
          {
            "lang": "en",
            "value": "The broker in Eclipse Mosquitto 1.3.2 through 2.x before 2.0.16 has a memory leak that can be abused remotely when a client sends many QoS 2 messages with duplicate message IDs, and fails to respond to PUBREC commands. This occurs because of mishandling of EAGAIN from the libc send function."
          },
          {
            "lang": "es",
            "value": "El intermediario en Eclipse Mosquitto 1.3.2 hasta 2.x anterior a 2.0.16 tiene una p\u00e9rdida de memoria de la que se puede abusar de forma remota cuando un cliente env\u00eda muchos mensajes QoS 2 con ID de mensajes duplicados y no responde a los comandos PUBREC. Esto ocurre debido a un mal manejo de EAGAIN desde la funci\u00f3n de env\u00edo de libc."
          }
        ],
        "id": "CVE-2023-28366",
        "lastModified": "2024-01-07T10:15:08.467",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "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"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2023-09-01T16:15:07.790",
        "references": [
          {
            "source": "cve@mitre.org",
            "tags": [
              "Patch"
            ],
            "url": "https://github.com/eclipse/mosquitto/commit/6113eac95a9df634fbc858be542c4a0456bfe7b9"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Release Notes"
            ],
            "url": "https://github.com/eclipse/mosquitto/compare/v2.0.15...v2.0.16"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KJ2FMBGVVQEQWTTQB7YLKTAHMX2UM66X/"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Release Notes"
            ],
            "url": "https://mosquitto.org/blog/2023/08/version-2-0-16-released/"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://security.gentoo.org/glsa/202401-09"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://www.compass-security.com/fileadmin/Research/Advisories/2023_02_CSNC-2023-001_Eclipse_Mosquitto_Memory_Leak.txt"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://www.debian.org/security/2023/dsa-5511"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-401"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    }
  }
}