cve-2023-47124
Vulnerability from cvelistv5
Published
2023-12-04 20:20
Modified
2024-08-02 21:01
Severity ?
EPSS score ?
Summary
Denial of service whith ACME HTTPChallenge in Traefik
References
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When Traefik is configured to use the `HTTPChallenge` to generate and renew the Let\u0027s 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`." } ], "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" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-772", "description": "CWE-772: Missing Release of Resource after Effective Lifetime", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2023-12-04T20:20:30.727Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "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": "ttps://www.cloudflare.com/learning/ddos/ddos-attack-tools/slowloris/", "tags": [ "x_refsource_MISC" ], "url": "ttps://www.cloudflare.com/learning/ddos/ddos-attack-tools/slowloris/" } ], "source": { "advisory": "GHSA-8g85-whqh-cr2f", "discovery": "UNKNOWN" }, "title": "Denial of service whith ACME HTTPChallenge in Traefik" } }, "cveMetadata": { "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2023-47124", "datePublished": "2023-12-04T20:20:30.727Z", "dateReserved": "2023-10-30T19:57:51.676Z", "dateUpdated": "2024-08-02T21:01:22.848Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2023-47124\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2023-12-04T21:15:33.850\",\"lastModified\":\"2023-12-07T21:01:24.967\",\"vulnStatus\":\"Analyzed\",\"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\u0027s 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\u0027s 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. 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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.