fkie_cve-2023-46849
Vulnerability from fkie_nvd
Published
2023-11-11 01:15
Modified
2024-11-21 08:29
Severity ?
Summary
Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6 allows an attacker to trigger a divide by zero behaviour which could cause an application crash, leading to a denial of service.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| openvpn | openvpn | * | |
| openvpn | openvpn_access_server | * | |
| openvpn | openvpn_access_server | 2.12.0 | |
| openvpn | openvpn_access_server | 2.12.1 | |
| debian | debian_linux | 12.0 | |
| fedoraproject | fedora | 39 |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:openvpn:openvpn:*:*:*:*:community:*:*:*",
"matchCriteriaId": "3A398A7A-395F-4CA8-9D72-1DDD337D5074",
"versionEndIncluding": "2.6.6",
"versionStartIncluding": "2.6.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openvpn:openvpn_access_server:*:*:*:*:*:*:*:*",
"matchCriteriaId": "54464223-5988-40E7-B94B-D7B8DE999704",
"versionEndIncluding": "2.11.3",
"versionStartIncluding": "2.11.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openvpn:openvpn_access_server:2.12.0:*:*:*:*:*:*:*",
"matchCriteriaId": "F8A71564-0966-47F0-BB81-B6BFA071E402",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:openvpn:openvpn_access_server:2.12.1:*:*:*:*:*:*:*",
"matchCriteriaId": "AC187755-A908-4CD5-8F35-869EA5D9A3B7",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*",
"matchCriteriaId": "46D69DCC-AE4D-4EA5-861C-D60951444C6C",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*",
"matchCriteriaId": "B8EDB836-4E6A-4B71-B9B2-AA3E03E0F646",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6 allows an attacker to trigger a divide by zero behaviour which could cause an application crash, leading to a denial of service."
},
{
"lang": "es",
"value": "El uso de la opci\u00f3n --fragment en ciertas configuraciones de OpenVPN versi\u00f3n 2.6.0 a 2.6.6 permite a un atacante desencadenar un comportamiento de divisi\u00f3n por cero que podr\u00eda provocar un bloqueo de la aplicaci\u00f3n y provocar una denegaci\u00f3n de servicio."
}
],
"id": "CVE-2023-46849",
"lastModified": "2024-11-21T08:29:25.337",
"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": "2023-11-11T01:15:07.270",
"references": [
{
"source": "security@openvpn.net",
"tags": [
"Vendor Advisory"
],
"url": "https://community.openvpn.net/openvpn/wiki/CVE-2023-46849"
},
{
"source": "security@openvpn.net",
"tags": [
"Mailing List"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/"
},
{
"source": "security@openvpn.net",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/"
},
{
"source": "security@openvpn.net",
"tags": [
"Vendor Advisory"
],
"url": "https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/"
},
{
"source": "security@openvpn.net",
"tags": [
"Third Party Advisory"
],
"url": "https://www.debian.org/security/2023/dsa-5555"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://community.openvpn.net/openvpn/wiki/CVE-2023-46849"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://www.debian.org/security/2023/dsa-5555"
}
],
"sourceIdentifier": "security@openvpn.net",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-369"
}
],
"source": "security@openvpn.net",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-369"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
Loading…
Loading…
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.
- 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.