fkie_cve-2017-7520
Vulnerability from fkie_nvd
Published
2017-06-27 13:29
Modified
2025-04-20 01:37
Severity ?
Summary
OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service and/or possibly sensitive memory leak triggered by man-in-the-middle attacker.
References
Impacted products
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*",
"matchCriteriaId": "216840B9-FCDB-4921-BE12-2A1FA42F8FDE",
"versionEndIncluding": "2.3.16",
"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
},
{
"criteria": "cpe:2.3:a:openvpn:openvpn:2.4.2:*:*:*:*:*:*:*",
"matchCriteriaId": "81434C3E-F992-4F29-9092-6823989B6909",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service and/or possibly sensitive memory leak triggered by man-in-the-middle attacker."
},
{
"lang": "es",
"value": "Las versiones anteriores a 2.4.3 y anterior a 2.3.17 de OpenVPN, son vulnerables a la denegaci\u00f3n de servicio y/o posiblemente a la p\u00e9rdida de memoria confidencial activada por un atacante de tipo man-in-the-middle."
}
],
"id": "CVE-2017-7520",
"lastModified": "2025-04-20T01:37:25.860",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "HIGH",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:H/Au:N/C:P/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 4.9,
"impactScore": 4.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.4,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H",
"version": "3.0"
},
"exploitabilityScore": 2.2,
"impactScore": 5.2,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2017-06-27T13:29:00.210",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://www.debian.org/security/2017/dsa-3900"
},
{
"source": "secalert@redhat.com",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/99230"
},
{
"source": "secalert@redhat.com",
"url": "http://www.securitytracker.com/id/1038768"
},
{
"source": "secalert@redhat.com",
"tags": [
"Vendor Advisory"
],
"url": "https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2017/dsa-3900"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securityfocus.com/bid/99230"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securitytracker.com/id/1038768"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-200"
}
],
"source": "secalert@redhat.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-125"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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