CVE-2023-47124

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-47124", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2023-10-30T19:57:51.676Z", "datePublished": "2023-12-04T20:20:30.727Z", "dateUpdated": "2024-12-18T14:12:58.629Z"}, "containers": {"cna": {"title": "Denial of service whith ACME HTTPChallenge in Traefik", "problemTypes": [{"descriptions": [{"cweId": "CWE-772", "lang": "en", "description": "CWE-772: Missing Release of Resource after Effective Lifetime", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"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"}}], "references": [{"name": "https://github.com/traefik/traefik/security/advisories/GHSA-8g85-whqh-cr2f", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/traefik/traefik/security/advisories/GHSA-8g85-whqh-cr2f"}, {"name": "https://doc.traefik.io/traefik/https/acme/#dnschallenge", "tags": ["x_refsource_MISC"], "url": "https://doc.traefik.io/traefik/https/acme/#dnschallenge"}, {"name": "https://doc.traefik.io/traefik/https/acme/#httpchallenge", "tags": ["x_refsource_MISC"], "url": "https://doc.traefik.io/traefik/https/acme/#httpchallenge"}, {"name": "https://doc.traefik.io/traefik/https/acme/#tlschallenge", "tags": ["x_refsource_MISC"], "url": "https://doc.traefik.io/traefik/https/acme/#tlschallenge"}, {"name": "https://github.com/traefik/traefik/releases/tag/v2.10.6", "tags": ["x_refsource_MISC"], "url": "https://github.com/traefik/traefik/releases/tag/v2.10.6"}, {"name": "https://github.com/traefik/traefik/releases/tag/v3.0.0-beta5", "tags": ["x_refsource_MISC"], "url": "https://github.com/traefik/traefik/releases/tag/v3.0.0-beta5"}, {"name": "https://www.cloudflare.com/learning/ddos/ddos-attack-tools/slowloris", "tags": ["x_refsource_MISC"], "url": "https://www.cloudflare.com/learning/ddos/ddos-attack-tools/slowloris"}], "affected": [{"vendor": "traefik", "product": "traefik", "versions": [{"version": "< 2.10.6", "status": "affected"}, {"version": ">= 3.0.0-beta1, < 3.0.0-beta5", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2024-12-18T14:12:58.629Z"}, "descriptions": [{"lang": "en", "value": "Traefik is an open source HTTP reverse proxy and load balancer. When Traefik is configured to use the `HTTPChallenge` to generate and renew the Let's Encrypt TLS certificates, the delay authorized to solve the challenge (50 seconds) can be exploited by attackers to achieve a `slowloris attack`. This vulnerability has been patch in version 2.10.6 and 3.0.0-beta5. Users are advised to upgrade. Users unable to upgrade should replace the `HTTPChallenge` with the `TLSChallenge` or the `DNSChallenge`."}], "source": {"advisory": "GHSA-8g85-whqh-cr2f", "discovery": "UNKNOWN"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T21:01:22.848Z"}, "title": "CVE Program Container", "references": [{"name": "https://github.com/traefik/traefik/security/advisories/GHSA-8g85-whqh-cr2f", "tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/traefik/traefik/security/advisories/GHSA-8g85-whqh-cr2f"}, {"name": "https://doc.traefik.io/traefik/https/acme/#dnschallenge", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://doc.traefik.io/traefik/https/acme/#dnschallenge"}, {"name": "https://doc.traefik.io/traefik/https/acme/#httpchallenge", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://doc.traefik.io/traefik/https/acme/#httpchallenge"}, {"name": "https://doc.traefik.io/traefik/https/acme/#tlschallenge", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://doc.traefik.io/traefik/https/acme/#tlschallenge"}, {"name": "https://github.com/traefik/traefik/releases/tag/v2.10.6", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/traefik/traefik/releases/tag/v2.10.6"}, {"name": "https://github.com/traefik/traefik/releases/tag/v3.0.0-beta5", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/traefik/traefik/releases/tag/v3.0.0-beta5"}, {"name": "ttps://www.cloudflare.com/learning/ddos/ddos-attack-tools/slowloris/", "tags": ["x_refsource_MISC", "x_transferred"], "url": "ttps://www.cloudflare.com/learning/ddos/ddos-attack-tools/slowloris/"}]}]}}

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{"affected": [{"affectedData": [{"product": "traefik", "vendor": "traefik", "versions": [{"status": "affected", "version": "< 2.10.6"}, {"status": "affected", "version": ">= 3.0.0-beta1, < 3.0.0-beta5"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:*", "matchCriteriaId": "AB0C6F34-0937-44ED-B248-F7B63DDA7820", "versionEndIncluding": "2.10.5", "vulnerable": true}, {"criteria": "cpe:2.3:a:traefik:traefik:3.0.0:beta1:*:*:*:*:*:*", "matchCriteriaId": "376EAF9B-E994-4268-9704-0A45EA30270F", "vulnerable": true}, {"criteria": "cpe:2.3:a:traefik:traefik:3.0.0:beta2:*:*:*:*:*:*", "matchCriteriaId": "F3D08335-C291-4623-B80C-3B14C4D1FA32", "vulnerable": true}, {"criteria": "cpe:2.3:a:traefik:traefik:3.0.0:beta3:*:*:*:*:*:*", "matchCriteriaId": "21033CEE-CEF5-4B0D-A565-4A6FC764AA6D", "vulnerable": true}, {"criteria": "cpe:2.3:a:traefik:traefik:3.0.0:beta4:*:*:*:*:*:*", "matchCriteriaId": "4B5B7BC8-0BBF-48DC-86B1-FC3D7CB8D5AD", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Traefik is an open source HTTP reverse proxy and load balancer. When Traefik is configured to use the `HTTPChallenge` to generate and renew the Let's Encrypt TLS certificates, the delay authorized to solve the challenge (50 seconds) can be exploited by attackers to achieve a `slowloris attack`. This vulnerability has been patch in version 2.10.6 and 3.0.0-beta5. Users are advised to upgrade. Users unable to upgrade should replace the `HTTPChallenge` with the `TLSChallenge` or the `DNSChallenge`."}, {"lang": "es", "value": "Traefik es un equilibrador de carga y proxy inverso HTTP de c\u00f3digo abierto. Cuando Traefik est\u00e1 configurado para usar `HTTPChallenge` para generar y renovar los certificados TLS de Let's Encrypt, los atacantes pueden aprovechar el retraso autorizado para resolver el desaf\u00edo (50 segundos) para lograr un `ataque lento`. Esta vulnerabilidad ha sido parcheada en las versiones 2.10.6 y 3.0.0-beta5. Se recomienda a los usuarios que actualicen. Los usuarios que no puedan actualizar deben reemplazar `HTTPChallenge` con `TLSChallenge` o `DNSChallenge`."}], "id": "CVE-2023-47124", "lastModified": "2026-06-17T06:32:12.267", "metrics": {"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": "security-advisories@github.com", "type": "Secondary"}, {"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": "2023-12-04T21:15:33.850", "references": [{"source": "security-advisories@github.com", "tags": ["Product"], "url": "https://doc.traefik.io/traefik/https/acme/#dnschallenge"}, {"source": "security-advisories@github.com", "tags": ["Product"], "url": "https://doc.traefik.io/traefik/https/acme/#httpchallenge"}, {"source": "security-advisories@github.com", "tags": ["Product"], "url": "https://doc.traefik.io/traefik/https/acme/#tlschallenge"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/traefik/traefik/releases/tag/v2.10.6"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/traefik/traefik/releases/tag/v3.0.0-beta5"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/traefik/traefik/security/advisories/GHSA-8g85-whqh-cr2f"}, {"source": "security-advisories@github.com", "url": "https://www.cloudflare.com/learning/ddos/ddos-attack-tools/slowloris"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product"], "url": "https://doc.traefik.io/traefik/https/acme/#dnschallenge"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product"], "url": "https://doc.traefik.io/traefik/https/acme/#httpchallenge"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product"], "url": "https://doc.traefik.io/traefik/https/acme/#tlschallenge"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "https://github.com/traefik/traefik/releases/tag/v2.10.6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "https://github.com/traefik/traefik/releases/tag/v3.0.0-beta5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/traefik/traefik/security/advisories/GHSA-8g85-whqh-cr2f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "ttps://www.cloudflare.com/learning/ddos/ddos-attack-tools/slowloris/"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-772"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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