CVE-2019-14318

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cryptopp:crypto\\+\\+:*:*:*:*:*:*:*:*", "matchCriteriaId": "A83A83BF-E04E-4E80-B0F8-46BB3DEF1D06", "versionEndIncluding": "8.3.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Crypto++ 8.3.0 and earlier contains a timing side channel in ECDSA signature generation. This allows a local or remote attacker, able to measure the duration of hundreds to thousands of signing operations, to compute the private key used. The issue occurs because scalar multiplication in ecp.cpp (prime field curves, small leakage) and algebra.cpp (binary field curves, large leakage) is not constant time and leaks the bit length of the scalar among other information."}, {"lang": "es", "value": "Crypto++ versi\u00f3n 8.3.0 y anterior, contiene un canal lateral de sincronizaci\u00f3n en la generaci\u00f3n de firmas ECDSA. Esto permite a un atacante local o remoto, capaz de medir la duraci\u00f3n de cientos a miles de operaciones de firma, calcular la clave privada utilizada. El problema se produce porque la multiplicaci\u00f3n de scalar en el archivo ecp.cpp (curvas del campo principal, fugas peque\u00f1as) y el archivo algebra.cpp (curvas del campo binario, fugas grandes) no son de tiempo constante y filtra la longitud de bits del scalar entre otra informaci\u00f3n."}], "id": "CVE-2019-14318", "lastModified": "2026-06-17T02:18:11.720", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.0"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-07-30T17:15:12.687", "references": [{"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00066.html"}, {"source": "cve@mitre.org", "url": "http://www.openwall.com/lists/oss-security/2019/10/02/2"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://eprint.iacr.org/2011/232.pdf"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/weidai11/cryptopp/issues/869"}, {"source": "cve@mitre.org", "url": "https://minerva.crocs.fi.muni.cz/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://tches.iacr.org/index.php/TCHES/article/view/7337"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00066.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2019/10/02/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://eprint.iacr.org/2011/232.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/weidai11/cryptopp/issues/869"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://minerva.crocs.fi.muni.cz/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://tches.iacr.org/index.php/TCHES/article/view/7337"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-417"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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