FKIE_CVE-2017-7478
Vulnerability from fkie_nvd - Published: 2017-05-15 18:29 - Updated: 2026-06-17 01:24
Severity
Summary
OpenVPN version 2.3.12 and newer is vulnerable to unauthenticated Denial of Service of server via received large control packet. Note that this issue is fixed in 2.3.15 and 2.4.2.
References
{
"affected": [
{
"affectedData": [
{
"product": "openvpn",
"vendor": "OpenVPN Technologies, Inc",
"versions": [
{
"status": "affected",
"version": "2.3.12 and newer"
}
]
}
],
"source": "secalert@redhat.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:openvpn:openvpn:2.3.12:*:*:*:*:*:*:*",
"matchCriteriaId": "288EE3C5-C915-4273-B1F1-D53BC028C990",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openvpn:openvpn:2.3.13:*:*:*:*:*:*:*",
"matchCriteriaId": "A21C5FE2-2FF7-481F-B128-976EBA563208",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openvpn:openvpn:2.3.14:*:*:*:*:*:*:*",
"matchCriteriaId": "FF068FA2-03A0-4C7F-97B1-9CB5A49E9E1B",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openvpn:openvpn:2.4.0:*:*:*:*:*:*:*",
"matchCriteriaId": "84F5C67A-34A4-4C7E-BCA9-AF3E5FC70AF6",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openvpn:openvpn:2.4.0:alpha2:*:*:*:*:*:*",
"matchCriteriaId": "A857CA88-60B0-4D34-87B6-770B67981501",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openvpn:openvpn:2.4.0:beta1:*:*:*:*:*:*",
"matchCriteriaId": "B42297EE-B347-4BD8-A657-BDF0AA010C06",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openvpn:openvpn:2.4.0:beta2:*:*:*:*:*:*",
"matchCriteriaId": "7C7A56E8-09C8-4DB2-9244-9E5E2BEC1821",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openvpn:openvpn:2.4.0:rc1:*:*:*:*:*:*",
"matchCriteriaId": "41ACD637-EF6B-40E4-BDE6-0EE7D6AEBAD4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openvpn:openvpn:2.4.0:rc2:*:*:*:*:*:*",
"matchCriteriaId": "1A4150AD-3F46-487D-BCF8-79D0AE2A092D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openvpn:openvpn:2.4.1:*:*:*:*:*:*:*",
"matchCriteriaId": "E7F7663E-3EB5-44F4-B7DE-294A549A12BE",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "OpenVPN version 2.3.12 and newer is vulnerable to unauthenticated Denial of Service of server via received large control packet. Note that this issue is fixed in 2.3.15 and 2.4.2."
},
{
"lang": "es",
"value": "OpenVPN versi\u00f3n 2.3.12 y m\u00e1s recientes, son vulnerables a la Denegaci\u00f3n de Servicio no autenticada del servidor por medio de un paquete de control grande recibido. Tenga en cuenta que este problema se corrige en versiones 2.3.15 y 2.4.2."
}
],
"id": "CVE-2017-7478",
"lastModified": "2026-06-17T01:24:25.720",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": true,
"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
}
],
"cvssMetricV30": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.0"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2017-05-15T18:29:00.293",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://www.securityfocus.com/bid/98444"
},
{
"source": "secalert@redhat.com",
"url": "http://www.securitytracker.com/id/1038473"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "https://community.openvpn.net/openvpn/wiki/QuarkslabAndCryptographyEngineerAudits"
},
{
"source": "secalert@redhat.com",
"url": "https://www.exploit-db.com/exploits/41993/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/98444"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securitytracker.com/id/1038473"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://community.openvpn.net/openvpn/wiki/QuarkslabAndCryptographyEngineerAudits"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://www.exploit-db.com/exploits/41993/"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-617"
}
],
"source": "secalert@redhat.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"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.
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- 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
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