CVE-2020-12603

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may consume excessive amounts of memory when proxying HTTP/2 requests or responses with many small (i.e. 1 byte) data frames."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-07-01T13:53:19.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/envoyproxy/envoy-setec/issues/80"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-pc38-4q6c-85p6"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-12603", "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": "Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may consume excessive amounts of memory when proxying HTTP/2 requests or responses with many small (i.e. 1 byte) data frames."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/envoyproxy/envoy-setec/issues/80", "refsource": "MISC", "url": "https://github.com/envoyproxy/envoy-setec/issues/80"}, {"name": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-pc38-4q6c-85p6", "refsource": "CONFIRM", "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-pc38-4q6c-85p6"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T12:04:21.622Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/envoyproxy/envoy-setec/issues/80"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-pc38-4q6c-85p6"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2020-12603", "datePublished": "2020-07-01T13:53:19.000Z", "dateReserved": "2020-05-01T00:00:00.000Z", "dateUpdated": "2024-08-04T12:04:21.622Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*", "matchCriteriaId": "FA8EC70B-A398-42FC-84C1-4892D07787F5", "versionEndIncluding": "1.12.4", "vulnerable": true}, {"criteria": "cpe:2.3:a:envoyproxy:envoy:1.13.2:*:*:*:*:*:*:*", "matchCriteriaId": "6FEA6763-6AEC-4081-A4AD-7C0D9C716AE5", "vulnerable": true}, {"criteria": "cpe:2.3:a:envoyproxy:envoy:1.14.2:*:*:*:*:*:*:*", "matchCriteriaId": "AC44FC52-B495-46D3-B5FC-2B5B5D214102", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may consume excessive amounts of memory when proxying HTTP/2 requests or responses with many small (i.e. 1 byte) data frames."}, {"lang": "es", "value": "Envoy versiones 1.14.2, 1.13.2, 1.12.4 o anteriores, puede consumir cantidades excesivas de memoria al hacer proxy de peticiones o respuestas HTTP/2 con muchas tramas de datos peque\u00f1os (es decir, 1 byte)"}], "id": "CVE-2020-12603", "lastModified": "2026-06-17T02:52:00.333", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "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": "2020-07-01T14:15:14.340", "references": [{"source": "cve@mitre.org", "tags": ["Broken Link"], "url": "https://github.com/envoyproxy/envoy-setec/issues/80"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-pc38-4q6c-85p6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://github.com/envoyproxy/envoy-setec/issues/80"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-pc38-4q6c-85p6"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank the Envoy security team for reporting this issue.", "affected_release": [{"advisory": "RHSA-2020:2864", "cpe": "cpe:/a:redhat:service_mesh:1.0::el8", "package": "servicemesh-proxy-0:1.0.11-1.el8", "product_name": "OpenShift Service Mesh 1.0", "release_date": "2020-07-07T00:00:00Z"}, {"advisory": "RHSA-2020:2798", "cpe": "cpe:/a:redhat:service_mesh:1.1::el8", "package": "servicemesh-proxy-0:1.1.4-2.el8", "product_name": "OpenShift Service Mesh 1.1", "release_date": "2020-07-01T00:00:00Z"}], "bugzilla": {"description": "envoy: Resource exhaustion when proxying HTTP/2 requests or responses with small data frames", "id": "1844251", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1844251"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-400", "details": ["Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may consume excessive amounts of memory when proxying HTTP/2 requests or responses with many small (i.e. 1 byte) data frames.", "A flaw was found in Envoy in versions through 1.14.1. An excessive amount of memory may be consumed when proxying HTTP/2 requests and responses that contain many small (e.g. 1 byte) data frames. The highest threat from this vulnerability is to system availability."], "name": "CVE-2020-12603", "public_date": "2020-06-30T19:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-12603\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-12603\nhttps://istio.io/latest/news/security/istio-security-2020-007/"], "statement": "A uncontrolled resource consumption vulnerability was found in Envoy. An attacker could craft many HTTP/2 requests (or responses) with very small data frames, to cause the proxy to consume excessive amounts of memory potentially resulting in a denial of service.", "threat_severity": "Important"}

{}