{ "containers": { "cna": { "affected": [ { "product": "minio", "vendor": "minio", "versions": [ { "status": "affected", "version": "< RELEASE.2021-03-17T02-33-02Z" } ] } ], "descriptions": [ { "lang": "en", "value": "MinIO is an open-source high performance object storage service and it is API compatible with Amazon S3 cloud storage service. In MinIO before version RELEASE.2021-03-17T02-33-02Z, there is a vulnerability which enables MITM modification of request bodies that are meant to have integrity guaranteed by chunk signatures. In a PUT request using aws-chunked encoding, MinIO ordinarily verifies signatures at the end of a chunk. This check can be skipped if the client sends a false chunk size that is much greater than the actual data sent: the server accepts and completes the request without ever reaching the end of the chunk + thereby without ever checking the chunk signature. This is fixed in version RELEASE.2021-03-17T02-33-02Z. As a workaround one can avoid using \"aws-chunked\" encoding-based chunk signature upload requests instead use TLS. MinIO SDKs automatically disable chunked encoding signature when the server endpoint is configured with TLS." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-924", "description": "CWE-924: Improper Enforcement of Message Integrity During Transmission in a Communication Channel", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-03-19T16:00:17", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/minio/minio/security/advisories/GHSA-xr7r-7gpj-5pgp" }, { "tags": [ "x_refsource_MISC" ], "url": "https://github.com/minio/minio/pull/11801" }, { "tags": [ "x_refsource_MISC" ], "url": "https://github.com/minio/minio/commit/e197800f9055489415b53cf137e31e194aaf7ba0" } ], "source": { "advisory": "GHSA-xr7r-7gpj-5pgp", "discovery": "UNKNOWN" }, "title": "MITM modification of request bodies in MinIO", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-21390", "STATE": "PUBLIC", "TITLE": "MITM modification of request bodies in MinIO" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "minio", "version": { "version_data": [ { "version_value": "< RELEASE.2021-03-17T02-33-02Z" } ] } } ] }, "vendor_name": "minio" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "MinIO is an open-source high performance object storage service and it is API compatible with Amazon S3 cloud storage service. In MinIO before version RELEASE.2021-03-17T02-33-02Z, there is a vulnerability which enables MITM modification of request bodies that are meant to have integrity guaranteed by chunk signatures. In a PUT request using aws-chunked encoding, MinIO ordinarily verifies signatures at the end of a chunk. This check can be skipped if the client sends a false chunk size that is much greater than the actual data sent: the server accepts and completes the request without ever reaching the end of the chunk + thereby without ever checking the chunk signature. This is fixed in version RELEASE.2021-03-17T02-33-02Z. As a workaround one can avoid using \"aws-chunked\" encoding-based chunk signature upload requests instead use TLS. MinIO SDKs automatically disable chunked encoding signature when the server endpoint is configured with TLS." } ] }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-924: Improper Enforcement of Message Integrity During Transmission in a Communication Channel" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/minio/minio/security/advisories/GHSA-xr7r-7gpj-5pgp", "refsource": "CONFIRM", "url": "https://github.com/minio/minio/security/advisories/GHSA-xr7r-7gpj-5pgp" }, { "name": "https://github.com/minio/minio/pull/11801", "refsource": "MISC", "url": "https://github.com/minio/minio/pull/11801" }, { "name": "https://github.com/minio/minio/commit/e197800f9055489415b53cf137e31e194aaf7ba0", "refsource": "MISC", "url": "https://github.com/minio/minio/commit/e197800f9055489415b53cf137e31e194aaf7ba0" } ] }, "source": { "advisory": "GHSA-xr7r-7gpj-5pgp", "discovery": "UNKNOWN" } } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T18:09:16.085Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://github.com/minio/minio/security/advisories/GHSA-xr7r-7gpj-5pgp" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://github.com/minio/minio/pull/11801" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://github.com/minio/minio/commit/e197800f9055489415b53cf137e31e194aaf7ba0" } ] } ] }, "cveMetadata": { "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-21390", "datePublished": "2021-03-19T16:00:17", "dateReserved": "2020-12-22T00:00:00", "dateUpdated": "2024-08-03T18:09:16.085Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }