cvelist/2022/30xxx/CVE-2022-30636.json

{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2022-30636",
        "ASSIGNER": "security@golang.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "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."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE 22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "golang.org/x/crypto",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "golang.org/x/crypto/acme/autocert",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "0",
                                            "version_value": "0.0.0-20220525230936-793ad666bf5e"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://go.dev/cl/408694",
                "refsource": "MISC",
                "name": "https://go.dev/cl/408694"
            },
            {
                "url": "https://go.dev/issue/53082",
                "refsource": "MISC",
                "name": "https://go.dev/issue/53082"
            },
            {
                "url": "https://pkg.go.dev/vuln/GO-2024-2961",
                "refsource": "MISC",
                "name": "https://pkg.go.dev/vuln/GO-2024-2961"
            }
        ]
    },
    "credits": [
        {
            "lang": "en",
            "value": "Juho Nurminen of Mattermost"
        }
    ]
}