CVE-2023-46849
Vulnerability from cvelistv5
Published
2023-11-11 00:05
Modified
2024-08-02 20:53
Severity ?
EPSS score ?
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 2 (Community) |
Version: 2.6.0 |
||||
|
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"OpenVPN", "versions": [ { "lessThanOrEqual": "2.6.6", "status": "affected", "version": "2.6.0", "versionType": "minor release" } ] }, { "defaultStatus": "unaffected", "platforms": [ "Linux" ], "product": "Access Server", "vendor": "OpenVPN", "versions": [ { "lessThanOrEqual": "2.11.3", "status": "affected", "version": "2.11.0", "versionType": "patch release" }, { "lessThanOrEqual": "2.12.1", "status": "affected", "version": "2.12.0", "versionType": "patch release" } ] } ], "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." } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-369", "description": "CWE-369 Divide By Zero", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2023-11-11T00:05:13.487Z", "orgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e", "shortName": "OpenVPN" }, "references": [ { "url": "https://community.openvpn.net/openvpn/wiki/CVE-2023-46849" }, { "url": "https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/" }, { "url": "https://www.debian.org/security/2023/dsa-5555" }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/" }, { "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/" } ] } }, "cveMetadata": { "assignerOrgId": "36a55730-e66d-4d39-8ca6-3c3b3017965e", "assignerShortName": "OpenVPN", "cveId": "CVE-2023-46849", "datePublished": "2023-11-11T00:05:13.487Z", "dateReserved": "2023-10-27T13:38:49.496Z", "dateUpdated": "2024-08-02T20:53:21.915Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "vulnerability-lookup:meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2023-46849\",\"sourceIdentifier\":\"security@openvpn.net\",\"published\":\"2023-11-11T01:15:07.270\",\"lastModified\":\"2024-11-21T08:29:25.337\",\"vulnStatus\":\"Modified\",\"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.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"security@openvpn.net\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-369\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-369\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openvpn:openvpn:*:*:*:*:community:*:*:*\",\"versionStartIncluding\":\"2.6.0\",\"versionEndIncluding\":\"2.6.6\",\"matchCriteriaId\":\"3A398A7A-395F-4CA8-9D72-1DDD337D5074\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:openvpn:openvpn_access_server:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.11.0\",\"versionEndIncluding\":\"2.11.3\",\"matchCriteriaId\":\"54464223-5988-40E7-B94B-D7B8DE999704\"},{\"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\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"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\"}]}]}],\"references\":[{\"url\":\"https://community.openvpn.net/openvpn/wiki/CVE-2023-46849\",\"source\":\"security@openvpn.net\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/\",\"source\":\"security@openvpn.net\",\"tags\":[\"Mailing List\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/\",\"source\":\"security@openvpn.net\"},{\"url\":\"https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/\",\"source\":\"security@openvpn.net\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.debian.org/security/2023/dsa-5555\",\"source\":\"security@openvpn.net\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://community.openvpn.net/openvpn/wiki/CVE-2023-46849\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.debian.org/security/2023/dsa-5555\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}" } }
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Sightings
Author | Source | Type | Date |
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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.