{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "In Firecracker 0.20.x before 0.20.1 and 0.21.x before 0.21.2, the network stack can freeze under heavy ingress traffic. This can result in a denial of service on the microVM when it is configured with a single network interface, and an availability problem for the microVM network interface on which the issue is triggered."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-08-13T14:06:12", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/firecracker-microvm/firecracker/issues/2057"}, {"tags": ["x_refsource_MISC"], "url": "https://www.openwall.com/lists/oss-security/2020/08/13/1"}, {"name": "[oss-security] 20200813 CVE-2020-16843: Firecracker v0.20.0, v0.21.0 and v0.21.1 network stack can freeze under heavy ingress traffic", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2020/08/13/1"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-16843", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In Firecracker 0.20.x before 0.20.1 and 0.21.x before 0.21.2, the network stack can freeze under heavy ingress traffic. This can result in a denial of service on the microVM when it is configured with a single network interface, and an availability problem for the microVM network interface on which the issue is triggered."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/firecracker-microvm/firecracker/issues/2057", "refsource": "MISC", "url": "https://github.com/firecracker-microvm/firecracker/issues/2057"}, {"name": "https://www.openwall.com/lists/oss-security/2020/08/13/1", "refsource": "MISC", "url": "https://www.openwall.com/lists/oss-security/2020/08/13/1"}, {"name": "[oss-security] 20200813 CVE-2020-16843: Firecracker v0.20.0, v0.21.0 and v0.21.1 network stack can freeze under heavy ingress traffic", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2020/08/13/1"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T13:45:33.240Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/firecracker-microvm/firecracker/issues/2057"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.openwall.com/lists/oss-security/2020/08/13/1"}, {"name": "[oss-security] 20200813 CVE-2020-16843: Firecracker v0.20.0, v0.21.0 and v0.21.1 network stack can freeze under heavy ingress traffic", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2020/08/13/1"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2020-16843", "datePublished": "2020-08-04T19:39:04", "dateReserved": "2020-08-04T00:00:00", "dateUpdated": "2024-08-04T13:45:33.240Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:amazon:firecracker:0.20.0:*:*:*:*:*:*:*", "matchCriteriaId": "2596FA38-A71A-4CFF-8F3A-943A5E7DDBBA", "vulnerable": true}, {"criteria": "cpe:2.3:a:amazon:firecracker:0.21.0:*:*:*:*:*:*:*", "matchCriteriaId": "A7BC5BDF-70BF-4E81-B0AC-FC94F0AFC8BB", "vulnerable": true}, {"criteria": "cpe:2.3:a:amazon:firecracker:0.21.1:*:*:*:*:*:*:*", "matchCriteriaId": "E005C187-CEFB-420B-B1B7-1320B8F6D10E", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In Firecracker 0.20.x before 0.20.1 and 0.21.x before 0.21.2, the network stack can freeze under heavy ingress traffic. This can result in a denial of service on the microVM when it is configured with a single network interface, and an availability problem for the microVM network interface on which the issue is triggered."}, {"lang": "es", "value": "En Firecracker versiones 0.20.x anteriores a 0.20.1 y versiones 0.21.x anteriores a 0.21.2, la pila de red puede congelarse bajo tr\u00e1fico de entrada pesado. Esto puede resultar en una denegaci\u00f3n de servicio en el microVM cuando es configurado con una \u00fanica interfaz de red, y un problema de disponibilidad para la interfaz de red de microVM en la cual el problema es desencadenado"}], "id": "CVE-2020-16843", "lastModified": "2024-11-21T05:07:15.010", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-08-04T20:15:12.430", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2020/08/13/1"}, {"source": "cve@mitre.org", "tags": ["Mitigation", "Third Party Advisory"], "url": "https://github.com/firecracker-microvm/firecracker/issues/2057"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2020/08/13/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2020/08/13/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mitigation", "Third Party Advisory"], "url": "https://github.com/firecracker-microvm/firecracker/issues/2057"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://www.openwall.com/lists/oss-security/2020/08/13/1"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}