CVE-2020-15093

{"id": "CVE-2020-15093", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.6, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 4.0, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.6, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 4.0, "exploitabilityScore": 3.9}]}, "published": "2020-07-09T19:15:11.413", "references": [{"url": "https://crates.io/crates/tough", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/awslabs/tough/security/advisories/GHSA-5q2r-92f9-4m49", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/theupdateframework/tuf/commit/2977188139d065ff3356c3cb4aec60c582b57e0e", "tags": ["Patch", "Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/theupdateframework/tuf/pull/974", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-347"}]}, {"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-347"}]}], "descriptions": [{"lang": "en", "value": "The tough library (Rust/crates.io) prior to version 0.7.1 does not properly verify the threshold of cryptographic signatures. It allows an attacker to duplicate a valid signature in order to circumvent TUF requiring a minimum threshold of unique signatures before the metadata is considered valid. A fix is available in version 0.7.1. CVE-2020-6174 is assigned to the same vulnerability in the TUF reference implementation."}, {"lang": "es", "value": "La biblioteca tough (Rust/crates.io) anterior a la versi\u00f3n 0.7.1, no verifica apropiadamente el umbral de firmas criptogr\u00e1ficas. Permite a un atacante duplicar una firma v\u00e1lida a fin de eludir TUF que requiere un umbral m\u00ednimo de firmas \u00fanicas antes de que los metadatos se consideraran v\u00e1lidos. Una correcci\u00f3n est\u00e1 disponible en la versi\u00f3n 0.7.1. El CVE-2020-6174 es asignado a la misma vulnerabilidad en la implementaci\u00f3n de la referencia TUF"}], "lastModified": "2021-10-26T19:58:35.917", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:amazon:tough:*:*:*:*:*:rust:*:*", "vulnerable": true, "matchCriteriaId": "F72751E9-9A5B-46F0-93CF-AC75DDEF1C17", "versionEndExcluding": "0.7.1"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}