CVE-2021-41135

{"containers": {"cna": {"affected": [{"product": "cosmos-sdk", "vendor": "cosmos", "versions": [{"status": "affected", "version": ">= 0.43.0, < 0.44.2"}]}], "descriptions": [{"lang": "en", "value": "The Cosmos-SDK is a framework for building blockchain applications in Golang. Affected versions of the SDK were vulnerable to a consensus halt due to non-deterministic behaviour in a ValidateBasic method in the x/authz module. The MsgGrant of the x/authz module contains a Grant field which includes a user-defined expiration time for when the authorization grant expires. In Grant.ValidateBasic(), that time is compared to the node\u2019s local clock time. Any chain running an affected version of the SDK with the authz module enabled could be halted by anyone with the ability to send transactions on that chain. Recovery would require applying the patch and rolling back the latest block. Users are advised to update to version 0.44.2."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-754", "description": "CWE-754: Improper Check for Unusual or Exceptional Conditions", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-10-20T18:05:10.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/cosmos/cosmos-sdk/security/advisories/GHSA-2p6r-37p9-89p2"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/cosmos/cosmos-sdk/commit/68ab790a761e80d3674f821794cf18ccbfed45ee"}, {"tags": ["x_refsource_MISC"], "url": "https://forum.cosmos.network/t/cosmos-sdk-vulnerability-retrospective-security-advisory-jackfruit-october-12-2021/5349"}], "source": {"advisory": "GHSA-2p6r-37p9-89p2", "discovery": "UNKNOWN"}, "title": "Authz Module Non-Determinism", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-41135", "STATE": "PUBLIC", "TITLE": "Authz Module Non-Determinism"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "cosmos-sdk", "version": {"version_data": [{"version_value": ">= 0.43.0, < 0.44.2"}]}}]}, "vendor_name": "cosmos"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The Cosmos-SDK is a framework for building blockchain applications in Golang. Affected versions of the SDK were vulnerable to a consensus halt due to non-deterministic behaviour in a ValidateBasic method in the x/authz module. The MsgGrant of the x/authz module contains a Grant field which includes a user-defined expiration time for when the authorization grant expires. In Grant.ValidateBasic(), that time is compared to the node\u2019s local clock time. Any chain running an affected version of the SDK with the authz module enabled could be halted by anyone with the ability to send transactions on that chain. Recovery would require applying the patch and rolling back the latest block. Users are advised to update to version 0.44.2."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-754: Improper Check for Unusual or Exceptional Conditions"}]}]}, "references": {"reference_data": [{"name": "https://github.com/cosmos/cosmos-sdk/security/advisories/GHSA-2p6r-37p9-89p2", "refsource": "CONFIRM", "url": "https://github.com/cosmos/cosmos-sdk/security/advisories/GHSA-2p6r-37p9-89p2"}, {"name": "https://github.com/cosmos/cosmos-sdk/commit/68ab790a761e80d3674f821794cf18ccbfed45ee", "refsource": "MISC", "url": "https://github.com/cosmos/cosmos-sdk/commit/68ab790a761e80d3674f821794cf18ccbfed45ee"}, {"name": "https://forum.cosmos.network/t/cosmos-sdk-vulnerability-retrospective-security-advisory-jackfruit-october-12-2021/5349", "refsource": "MISC", "url": "https://forum.cosmos.network/t/cosmos-sdk-vulnerability-retrospective-security-advisory-jackfruit-october-12-2021/5349"}]}, "source": {"advisory": "GHSA-2p6r-37p9-89p2", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T02:59:31.625Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/cosmos/cosmos-sdk/security/advisories/GHSA-2p6r-37p9-89p2"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/cosmos/cosmos-sdk/commit/68ab790a761e80d3674f821794cf18ccbfed45ee"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://forum.cosmos.network/t/cosmos-sdk-vulnerability-retrospective-security-advisory-jackfruit-october-12-2021/5349"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-41135", "datePublished": "2021-10-20T18:05:10.000Z", "dateReserved": "2021-09-15T00:00:00.000Z", "dateUpdated": "2024-08-04T02:59:31.625Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "cosmos-sdk", "vendor": "cosmos", "versions": [{"status": "affected", "version": ">= 0.43.0, < 0.44.2"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:interchain:cosmos_sdk:*:*:*:*:*:*:*:*", "matchCriteriaId": "F574CC28-3488-4477-91CB-B934EA767B87", "versionEndExcluding": "0.44.2", "versionStartIncluding": "0.43.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Cosmos-SDK is a framework for building blockchain applications in Golang. Affected versions of the SDK were vulnerable to a consensus halt due to non-deterministic behaviour in a ValidateBasic method in the x/authz module. The MsgGrant of the x/authz module contains a Grant field which includes a user-defined expiration time for when the authorization grant expires. In Grant.ValidateBasic(), that time is compared to the node\u2019s local clock time. Any chain running an affected version of the SDK with the authz module enabled could be halted by anyone with the ability to send transactions on that chain. Recovery would require applying the patch and rolling back the latest block. Users are advised to update to version 0.44.2."}, {"lang": "es", "value": "Cosmos-SDK es un marco de trabajo para construir aplicaciones blockchain en Golang. Las versiones afectadas del SDK eran vulnerables a una interrupci\u00f3n del consenso debido a un comportamiento no determinista en un m\u00e9todo ValidateBasic del m\u00f3dulo x/authz. El MsgGrant del m\u00f3dulo x/authz contiene un campo Grant que incluye un tiempo de expiraci\u00f3n definido por el usuario para cuando la concesi\u00f3n de autorizaci\u00f3n expira. En Grant.ValidateBasic(), esa hora se compara con la hora del reloj local del nodo. Cualquier cadena que ejecute una versi\u00f3n afectada del SDK con el m\u00f3dulo authz habilitado podr\u00eda ser detenida por cualquier persona con la capacidad de enviar transacciones en esa cadena. Una recuperaci\u00f3n requerir\u00eda aplicar el parche y hacer retroceder el \u00faltimo bloque. Se recomienda usuarios actualizar a la versi\u00f3n 0.44.2"}], "id": "CVE-2021-41135", "lastModified": "2026-06-17T04:07:56.683", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2021-10-20T18:15:07.807", "references": [{"source": "security-advisories@github.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://forum.cosmos.network/t/cosmos-sdk-vulnerability-retrospective-security-advisory-jackfruit-october-12-2021/5349"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/cosmos/cosmos-sdk/commit/68ab790a761e80d3674f821794cf18ccbfed45ee"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/cosmos/cosmos-sdk/security/advisories/GHSA-2p6r-37p9-89p2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Vendor Advisory"], "url": "https://forum.cosmos.network/t/cosmos-sdk-vulnerability-retrospective-security-advisory-jackfruit-october-12-2021/5349"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/cosmos/cosmos-sdk/commit/68ab790a761e80d3674f821794cf18ccbfed45ee"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/cosmos/cosmos-sdk/security/advisories/GHSA-2p6r-37p9-89p2"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-754"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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