CVE-2021-36219

{"id": "CVE-2021-36219", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2021-09-27T14:15:08.537", "references": [{"url": "https://github.com/skalenetwork/sgxwallet/commit/4e9b5b7526db083177e81f8bafeaa4914d276a82", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/skalenetwork/sgxwallet/releases", "tags": ["Release Notes", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-824"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in SKALE sgxwallet 1.58.3. The provided input for ECALL 14 triggers a branch in trustedEcdsaSign that frees a non-initialized pointer from the stack. An attacker can chain multiple enclave calls to prepare a stack that contains a valid address. This address is then freed, resulting in compromised integrity of the enclave. This was resolved after v1.58.3 and not reproducible in sgxwallet v1.77.0."}, {"lang": "es", "value": "Se ha detectado un problema en SKALE sgxwallet versi\u00f3n 1.58.3. La entrada proporcionada para ECALL 14 desencadena una rama en trustedEcdsaSign que libera un puntero no inicializado de la pila. Un atacante puede encadenar m\u00faltiples llamadas de enclave para preparar una pila que contenga una direcci\u00f3n v\u00e1lida. Esta direcci\u00f3n es entonces liberada, resultando en una integridad comprometida del enclave. Esto se resolvi\u00f3 despu\u00e9s de la v1.58.3 y no es reproducible en sgxwallet versi\u00f3n v1.77.0"}], "lastModified": "2021-10-01T22:19:17.193", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:skale:sgxwallet:1.58.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BB490637-105D-41DF-9664-A8E5542D9D42"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}