CVE-2019-14243

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "headerv2.go in mastercactapus proxyprotocol before 0.0.2, as used in the mastercactapus caddy-proxyprotocol plugin through 0.0.2 for Caddy, allows remote attackers to cause a denial of service (webserver panic and daemon crash) via a crafted HAProxy PROXY v2 request with truncated source/destination address data."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2019-07-23T21:38:14.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://caddy.community/t/dos-in-http-proxyprotocol-plugin/6014"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/mastercactapus/proxyprotocol/issues/1"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/mastercactapus/caddy-proxyprotocol/issues/8"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/mastercactapus/proxyprotocol/compare/ef496d7...5c4a101"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/mastercactapus/proxyprotocol/commit/5c4a101121fc3e868026189c7a73f7f19eef90ac"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/mastercactapus/proxyprotocol/releases/tag/v0.0.2"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2019-14243", "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": "headerv2.go in mastercactapus proxyprotocol before 0.0.2, as used in the mastercactapus caddy-proxyprotocol plugin through 0.0.2 for Caddy, allows remote attackers to cause a denial of service (webserver panic and daemon crash) via a crafted HAProxy PROXY v2 request with truncated source/destination address data."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://caddy.community/t/dos-in-http-proxyprotocol-plugin/6014", "refsource": "MISC", "url": "https://caddy.community/t/dos-in-http-proxyprotocol-plugin/6014"}, {"name": "https://github.com/mastercactapus/proxyprotocol/issues/1", "refsource": "MISC", "url": "https://github.com/mastercactapus/proxyprotocol/issues/1"}, {"name": "https://github.com/mastercactapus/caddy-proxyprotocol/issues/8", "refsource": "MISC", "url": "https://github.com/mastercactapus/caddy-proxyprotocol/issues/8"}, {"name": "https://github.com/mastercactapus/proxyprotocol/compare/ef496d7...5c4a101", "refsource": "MISC", "url": "https://github.com/mastercactapus/proxyprotocol/compare/ef496d7...5c4a101"}, {"name": "https://github.com/mastercactapus/proxyprotocol/commit/5c4a101121fc3e868026189c7a73f7f19eef90ac", "refsource": "MISC", "url": "https://github.com/mastercactapus/proxyprotocol/commit/5c4a101121fc3e868026189c7a73f7f19eef90ac"}, {"name": "https://github.com/mastercactapus/proxyprotocol/releases/tag/v0.0.2", "refsource": "MISC", "url": "https://github.com/mastercactapus/proxyprotocol/releases/tag/v0.0.2"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T00:12:43.432Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://caddy.community/t/dos-in-http-proxyprotocol-plugin/6014"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/mastercactapus/proxyprotocol/issues/1"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/mastercactapus/caddy-proxyprotocol/issues/8"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/mastercactapus/proxyprotocol/compare/ef496d7...5c4a101"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/mastercactapus/proxyprotocol/commit/5c4a101121fc3e868026189c7a73f7f19eef90ac"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/mastercactapus/proxyprotocol/releases/tag/v0.0.2"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2019-14243", "datePublished": "2019-07-23T21:38:14.000Z", "dateReserved": "2019-07-23T00:00:00.000Z", "dateUpdated": "2024-08-05T00:12:43.432Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"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:haproxy:proxyprotocol:*:*:*:*:*:caddy:*:*", "matchCriteriaId": "F297AB10-B405-4C13-914E-34E69CD0106E", "versionEndExcluding": "0.0.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "headerv2.go in mastercactapus proxyprotocol before 0.0.2, as used in the mastercactapus caddy-proxyprotocol plugin through 0.0.2 for Caddy, allows remote attackers to cause a denial of service (webserver panic and daemon crash) via a crafted HAProxy PROXY v2 request with truncated source/destination address data."}, {"lang": "es", "value": "headerv2.go en mastercactapus proxyprotocol anterior a versi\u00f3n 0.0.2, tal como es usado en el plugin caddy-proxyprotocol de mastercactapus hasta versi\u00f3n 0.0.2 para Caddy, permite a los atacantes remotos causar una denegaci\u00f3n de servicio (p\u00e1nico del webserver y bloqueo del demonio) por medio de una petici\u00f3n HAProxy PROXY v2 con datos truncados de direcci\u00f3n de origen y destino."}], "id": "CVE-2019-14243", "lastModified": "2026-06-17T02:18:01.780", "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": "2019-07-23T22:15:11.643", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://caddy.community/t/dos-in-http-proxyprotocol-plugin/6014"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://github.com/mastercactapus/caddy-proxyprotocol/issues/8"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/mastercactapus/proxyprotocol/commit/5c4a101121fc3e868026189c7a73f7f19eef90ac"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/mastercactapus/proxyprotocol/compare/ef496d7...5c4a101"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/mastercactapus/proxyprotocol/issues/1"}, {"source": "cve@mitre.org", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/mastercactapus/proxyprotocol/releases/tag/v0.0.2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://caddy.community/t/dos-in-http-proxyprotocol-plugin/6014"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://github.com/mastercactapus/caddy-proxyprotocol/issues/8"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/mastercactapus/proxyprotocol/commit/5c4a101121fc3e868026189c7a73f7f19eef90ac"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/mastercactapus/proxyprotocol/compare/ef496d7...5c4a101"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/mastercactapus/proxyprotocol/issues/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/mastercactapus/proxyprotocol/releases/tag/v0.0.2"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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