FKIE_CVE-2019-18217
Vulnerability from fkie_nvd - Published: 2019-10-21 04:15 - Updated: 2026-06-17 02:24
Severity
Summary
ProFTPD before 1.3.6b and 1.3.7rc before 1.3.7rc2 allows remote unauthenticated denial-of-service due to incorrect handling of overly long commands because main.c in a child process enters an infinite loop.
References
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "cve@mitre.org"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:proftpd:proftpd:*:*:*:*:*:*:*:*",
"matchCriteriaId": "C8267809-FDF5-459D-B34D-8CFF65B03A22",
"versionEndIncluding": "1.3.5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:proftpd:proftpd:1.3.6:-:*:*:*:*:*:*",
"matchCriteriaId": "47526BA5-3955-43B3-8EA4-5C29DDA3F9C7",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:proftpd:proftpd:1.3.6:a:*:*:*:*:*:*",
"matchCriteriaId": "C8215DD3-5666-411A-A18C-E94FB5CBBB9E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:proftpd:proftpd:1.3.6:rc1:*:*:*:*:*:*",
"matchCriteriaId": "B6475817-8CC7-4C0C-A9A6-E58189852DA2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:proftpd:proftpd:1.3.6:rc2:*:*:*:*:*:*",
"matchCriteriaId": "84CB8C28-C432-4FD4-9B76-CA6C2C8824D9",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:proftpd:proftpd:1.3.6:rc3:*:*:*:*:*:*",
"matchCriteriaId": "21D053B1-AFDE-4859-ACFB-C51DC28EAA04",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:proftpd:proftpd:1.3.6:rc4:*:*:*:*:*:*",
"matchCriteriaId": "AA9A0785-FF92-4AB0-8F42-9060FB24120E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:proftpd:proftpd:1.3.7:rc1:*:*:*:*:*:*",
"matchCriteriaId": "709D5B92-0F38-46BE-8184-7BAA7BE45D0D",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "ProFTPD before 1.3.6b and 1.3.7rc before 1.3.7rc2 allows remote unauthenticated denial-of-service due to incorrect handling of overly long commands because main.c in a child process enters an infinite loop."
},
{
"lang": "es",
"value": "ProFTPD versiones anteriores a 1.3.6b y versiones 1.3.7rc anteriores a 1.3.7rc2, permite una denegaci\u00f3n de servicio remota no autenticada debido al manejo incorrecto de comandos demasiado largos porque el archivo main.c en un proceso secundario entra en un bucle infinito."
}
],
"id": "CVE-2019-18217",
"lastModified": "2026-06-17T02:24:30.160",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"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": 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": "2019-10-21T04:15:10.433",
"references": [
{
"source": "cve@mitre.org",
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00009.html"
},
{
"source": "cve@mitre.org",
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-940889.pdf"
},
{
"source": "cve@mitre.org",
"tags": [
"Release Notes",
"Third Party Advisory"
],
"url": "https://github.com/proftpd/proftpd/blob/1.3.6/NEWS"
},
{
"source": "cve@mitre.org",
"tags": [
"Release Notes",
"Third Party Advisory"
],
"url": "https://github.com/proftpd/proftpd/blob/1.3.6/RELEASE_NOTES"
},
{
"source": "cve@mitre.org",
"tags": [
"Release Notes",
"Third Party Advisory"
],
"url": "https://github.com/proftpd/proftpd/blob/master/NEWS"
},
{
"source": "cve@mitre.org",
"tags": [
"Release Notes",
"Third Party Advisory"
],
"url": "https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTES"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://github.com/proftpd/proftpd/issues/846"
},
{
"source": "cve@mitre.org",
"url": "https://lists.debian.org/debian-lts-announce/2019/10/msg00036.html"
},
{
"source": "cve@mitre.org",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NJDQRVZTILBX4BUCTIRKP2WBHDHDCJR5/"
},
{
"source": "cve@mitre.org",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RB2FPAWDWXT5ALAFIC5Y3RSEMXSFL6H2/"
},
{
"source": "cve@mitre.org",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YLRPYEEMQJVAXO2SXRGOQ4HBFEEPCNXG/"
},
{
"source": "cve@mitre.org",
"url": "https://seclists.org/bugtraq/2019/Nov/7"
},
{
"source": "cve@mitre.org",
"url": "https://security.gentoo.org/glsa/202003-35"
},
{
"source": "cve@mitre.org",
"url": "https://www.debian.org/security/2019/dsa-4559"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00009.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-940889.pdf"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Release Notes",
"Third Party Advisory"
],
"url": "https://github.com/proftpd/proftpd/blob/1.3.6/NEWS"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Release Notes",
"Third Party Advisory"
],
"url": "https://github.com/proftpd/proftpd/blob/1.3.6/RELEASE_NOTES"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Release Notes",
"Third Party Advisory"
],
"url": "https://github.com/proftpd/proftpd/blob/master/NEWS"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Release Notes",
"Third Party Advisory"
],
"url": "https://github.com/proftpd/proftpd/blob/master/RELEASE_NOTES"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://github.com/proftpd/proftpd/issues/846"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.debian.org/debian-lts-announce/2019/10/msg00036.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NJDQRVZTILBX4BUCTIRKP2WBHDHDCJR5/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RB2FPAWDWXT5ALAFIC5Y3RSEMXSFL6H2/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YLRPYEEMQJVAXO2SXRGOQ4HBFEEPCNXG/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://seclists.org/bugtraq/2019/Nov/7"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://security.gentoo.org/glsa/202003-35"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://www.debian.org/security/2019/dsa-4559"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-835"
}
],
"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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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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.
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