CVE-2019-13628

{"id": "CVE-2019-13628", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 1.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:H/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "HIGH", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 1.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.0}]}, "published": "2019-10-03T14:15:11.057", "references": [{"url": "http://www.openwall.com/lists/oss-security/2019/10/02/2", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://eprint.iacr.org/2011/232.pdf", "tags": ["Technical Description", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://minerva.crocs.fi.muni.cz/", "tags": ["Product"], "source": "cve@mitre.org"}, {"url": "https://tches.iacr.org/index.php/TCHES/article/view/7337", "tags": ["Technical Description", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-203"}]}], "descriptions": [{"lang": "en", "value": "wolfSSL and wolfCrypt 4.0.0 and earlier (when configured without --enable-fpecc, --enable-sp, or --enable-sp-math) contain a timing side channel in ECDSA signature generation. This allows a local attacker, able to precisely measure the duration of signature operations, to infer information about the nonces used and potentially mount a lattice attack to recover the private key used. The issue occurs because ecc.c scalar multiplication might leak the bit length."}, {"lang": "es", "value": "wolfSSL y wolfCrypt versi\u00f3n 4.0.0 y anteriores (cuando se configuran sin --enable-fpecc, --enable-sp o --enable-sp-math) contienen un canal lateral de temporizaci\u00f3n en la generaci\u00f3n de firmas ECDSA. Esto permite a un atacante local, capaz de medir con precisi\u00f3n la duraci\u00f3n de las operaciones de firma, inferir informaci\u00f3n acerca del nonces utilizado y potencialmente montar un ataque de red para recuperar la clave privada usada. El problema se presenta porque la multiplicaci\u00f3n escalar del archivo ecc.c podr\u00eda perder la longitud de bits."}], "lastModified": "2019-10-10T14:26:33.680", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FDC39E29-CA8E-4370-BBC4-332BFCCF46B1", "versionEndIncluding": "4.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}