{"containers": {"cna": {"affected": [{"product": "envoy", "vendor": "envoyproxy", "versions": [{"status": "affected", "version": ">= 1.20.0, < 1.20.2"}, {"status": "affected", "version": ">= 1.21.0, < 1.21.1"}]}], "descriptions": [{"lang": "en", "value": "Envoy is an open source edge and service proxy, designed for cloud-native applications. When a cluster is deleted via Cluster Discovery Service (CDS) all idle connections established to endpoints in that cluster are disconnected. A recursion was introduced in the procedure of disconnecting idle connections that can lead to stack exhaustion and abnormal process termination when a cluster has a large number of idle connections. This infinite recursion causes Envoy to crash. Users are advised to upgrade."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-674", "description": "CWE-674: Uncontrolled Recursion", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-02-22T22:20:12", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-9vp2-4cp7-vvxf"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/envoyproxy/envoy/commit/4b6dd3b53cd5c6d4d4df378a2fc62c1707522b31"}], "source": {"advisory": "GHSA-9vp2-4cp7-vvxf", "discovery": "UNKNOWN"}, "title": "Crash when a cluster is deleted in Envoy", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2022-23606", "STATE": "PUBLIC", "TITLE": "Crash when a cluster is deleted in Envoy"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "envoy", "version": {"version_data": [{"version_value": ">= 1.20.0, < 1.20.2"}, {"version_value": ">= 1.21.0, < 1.21.1"}]}}]}, "vendor_name": "envoyproxy"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Envoy is an open source edge and service proxy, designed for cloud-native applications. When a cluster is deleted via Cluster Discovery Service (CDS) all idle connections established to endpoints in that cluster are disconnected. A recursion was introduced in the procedure of disconnecting idle connections that can lead to stack exhaustion and abnormal process termination when a cluster has a large number of idle connections. This infinite recursion causes Envoy to crash. Users are advised to upgrade."}]}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-674: Uncontrolled Recursion"}]}]}, "references": {"reference_data": [{"name": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-9vp2-4cp7-vvxf", "refsource": "CONFIRM", "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-9vp2-4cp7-vvxf"}, {"name": "https://github.com/envoyproxy/envoy/commit/4b6dd3b53cd5c6d4d4df378a2fc62c1707522b31", "refsource": "MISC", "url": "https://github.com/envoyproxy/envoy/commit/4b6dd3b53cd5c6d4d4df378a2fc62c1707522b31"}]}, "source": {"advisory": "GHSA-9vp2-4cp7-vvxf", "discovery": "UNKNOWN"}}}}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2022-23606", "datePublished": "2022-02-22T22:20:13", "dateReserved": "2022-01-19T00:00:00", "dateUpdated": "2022-02-22T22:20:12", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

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