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{"cveTags": [], "descriptions": [{"lang": "en", "value": "httpTokenCacheKey uses path.Base to extract the expected HTTP-01 token value to lookup in the DirCache implementation. On Windows, path.Base acts differently to filepath.Base, since Windows uses a different path separator (\\ vs. /), allowing a user to provide a relative path, i.e. .well-known/acme-challenge/..\\..\\asd becomes ..\\..\\asd. The extracted path is then suffixed with +http-01, joined with the cache directory, and opened. Since the controlled path is suffixed with +http-01 before opening, the impact of this is significantly limited, since it only allows reading arbitrary files on the system if and only if they have this suffix."}, {"lang": "es", "value": "httpTokenCacheKey usa path.Base para extraer el valor del token HTTP-01 esperado para buscarlo en la implementaci\u00f3n de DirCache. En Windows, path.Base act\u00faa de manera diferente a filepath.Base, ya que Windows usa un separador de ruta diferente (\\ vs. /), lo que permite al usuario proporcionar una ruta relativa, es decir, .well-known/acme-challenge/..\\. .\\asd se convierte en ..\\..\\asd. Luego, la ruta extra\u00edda tiene el sufijo +http-01, se une al directorio de cach\u00e9 y se abre. Dado que la ruta controlada tiene el sufijo +http-01 antes de abrirse, el impacto de esto es significativamente limitado, ya que solo permite leer archivos arbitrarios en el sistema si y solo si tienen este sufijo."}], "id": "CVE-2022-30636", "lastModified": "2026-04-15T00:35:42.020", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-07-02T20:15:05.173", "references": [{"source": "security@golang.org", "url": "https://go.dev/cl/408694"}, {"source": "security@golang.org", "url": "https://go.dev/issue/53082"}, {"source": "security@golang.org", "url": "https://pkg.go.dev/vuln/GO-2024-2961"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://go.dev/cl/408694"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://go.dev/issue/53082"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://pkg.go.dev/vuln/GO-2024-2961"}], "sourceIdentifier": "security@golang.org", "vulnStatus": "Deferred"}

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