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FKIE_CVE-2019-11779

Vulnerability from fkie_nvd - Published: 2019-09-19 14:15 - Updated: 2026-06-17 02:13
Severity
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In Eclipse Mosquitto 1.5.0 to 1.6.5 inclusive, if a malicious MQTT client sends a SUBSCRIBE packet containing a topic that consists of approximately 65400 or more '/' characters, i.e. the topic hierarchy separator, then a stack overflow will occur.
References
emo@eclipse.orghttp://lists.opensuse.org/opensuse-security-announce/2019-09/msg00077.htmlMailing List, Third Party Advisory
emo@eclipse.orghttp://lists.opensuse.org/opensuse-security-announce/2019-10/msg00008.htmlMailing List, Third Party Advisory
emo@eclipse.orghttps://bugs.eclipse.org/bugs/show_bug.cgi?id=551160Vendor Advisory
emo@eclipse.orghttps://lists.debian.org/debian-lts-announce/2019/10/msg00035.htmlMailing List, Third Party Advisory
emo@eclipse.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D4WMHIM64Q35NGTR6R3ILZUL4MA4ANB5/
emo@eclipse.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HFWQBNFTAVHPUYNGYO2TCPF5PCSWC2Z7/
emo@eclipse.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWNVTFA2CKXERXRYPYE2YFTZP4GNBGYY/
emo@eclipse.orghttps://seclists.org/bugtraq/2019/Nov/25Mailing List, Third Party Advisory
emo@eclipse.orghttps://usn.ubuntu.com/4137-1/Third Party Advisory
emo@eclipse.orghttps://www.debian.org/security/2019/dsa-4570Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00077.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00008.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugs.eclipse.org/bugs/show_bug.cgi?id=551160Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/10/msg00035.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D4WMHIM64Q35NGTR6R3ILZUL4MA4ANB5/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HFWQBNFTAVHPUYNGYO2TCPF5PCSWC2Z7/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWNVTFA2CKXERXRYPYE2YFTZP4GNBGYY/
af854a3a-2127-422b-91ae-364da2661108https://seclists.org/bugtraq/2019/Nov/25Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4137-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2019/dsa-4570Third Party Advisory
Impacted products
Vendor Product Version
eclipse mosquitto *
eclipse mosquitto *
canonical ubuntu_linux 19.04
opensuse backports_sle 15.0
opensuse leap 15.1
fedoraproject fedora 29
fedoraproject fedora 30
fedoraproject fedora 31
debian debian_linux 8.0
debian debian_linux 10.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Eclipse Mosquitto",
          "vendor": "The Eclipse Foundation",
          "versions": [
            {
              "status": "affected",
              "version": "1.5.0 to 1.6.5 inclusive"
            }
          ]
        }
      ],
      "source": "emo@eclipse.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8BD7CF7D-7571-4725-B7D8-5D696F1A2124",
              "versionEndExcluding": "1.5.9",
              "versionStartIncluding": "1.5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "EE26376A-4D05-40CF-BDFB-D71FC7BD3B36",
              "versionEndExcluding": "1.6.6",
              "versionStartIncluding": "1.6",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*",
              "matchCriteriaId": "CD783B0C-9246-47D9-A937-6144FE8BFF0F",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*",
              "matchCriteriaId": "40513095-7E6E-46B3-B604-C926F1BA3568",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*",
              "matchCriteriaId": "D100F7CE-FC64-4CC6-852A-6136D72DA419",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*",
              "matchCriteriaId": "97A4B8DF-58DA-4AB6-A1F9-331B36409BA3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
              "matchCriteriaId": "80F0FA5D-8D3B-4C0E-81E2-87998286AF33",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Eclipse Mosquitto 1.5.0 to 1.6.5 inclusive, if a malicious MQTT client sends a SUBSCRIBE packet containing a topic that consists of approximately 65400 or more \u0027/\u0027 characters, i.e. the topic hierarchy separator, then a stack overflow will occur."
    },
    {
      "lang": "es",
      "value": "En Eclipse Mosquitto versiones 1.5.0 hasta 1.6.5 incluy\u00e9ndola, si un cliente MQTT malicioso env\u00eda un paquete SUBSCRIBE que contiene un tema que consta de aproximadamente 65400 o m\u00e1s caracteres \u0027/\u0027, es decir, el separador de jerarqu\u00eda de temas, entonces ocurrir\u00e1 un desbordamiento de la pila."
    }
  ],
  "id": "CVE-2019-11779",
  "lastModified": "2026-06-17T02:13:37.660",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2019-09-19T14:15:10.573",
  "references": [
    {
      "source": "emo@eclipse.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00077.html"
    },
    {
      "source": "emo@eclipse.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00008.html"
    },
    {
      "source": "emo@eclipse.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://bugs.eclipse.org/bugs/show_bug.cgi?id=551160"
    },
    {
      "source": "emo@eclipse.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://lists.debian.org/debian-lts-announce/2019/10/msg00035.html"
    },
    {
      "source": "emo@eclipse.org",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D4WMHIM64Q35NGTR6R3ILZUL4MA4ANB5/"
    },
    {
      "source": "emo@eclipse.org",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HFWQBNFTAVHPUYNGYO2TCPF5PCSWC2Z7/"
    },
    {
      "source": "emo@eclipse.org",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWNVTFA2CKXERXRYPYE2YFTZP4GNBGYY/"
    },
    {
      "source": "emo@eclipse.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://seclists.org/bugtraq/2019/Nov/25"
    },
    {
      "source": "emo@eclipse.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://usn.ubuntu.com/4137-1/"
    },
    {
      "source": "emo@eclipse.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.debian.org/security/2019/dsa-4570"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00077.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00008.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D4WMHIM64Q35NGTR6R3ILZUL4MA4ANB5/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HFWQBNFTAVHPUYNGYO2TCPF5PCSWC2Z7/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWNVTFA2CKXERXRYPYE2YFTZP4GNBGYY/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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    },
    {
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      "url": "https://usn.ubuntu.com/4137-1/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.debian.org/security/2019/dsa-4570"
    }
  ],
  "sourceIdentifier": "emo@eclipse.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-754"
        }
      ],
      "source": "emo@eclipse.org",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-674"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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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.