CVE-2019-13628

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://tches.iacr.org/index.php/TCHES/article/view/7337", "name": "https://tches.iacr.org/index.php/TCHES/article/view/7337", "tags": ["Technical Description", "Third Party Advisory"], "refsource": "MISC"}, {"url": "http://www.openwall.com/lists/oss-security/2019/10/02/2", "name": "[oss-security] 20191002 Minerva: ECDSA key recovery from bit-length leakage", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "https://minerva.crocs.fi.muni.cz/", "name": "https://minerva.crocs.fi.muni.cz/", "tags": ["Product"], "refsource": "MISC"}, {"url": "https://eprint.iacr.org/2011/232.pdf", "name": "https://eprint.iacr.org/2011/232.pdf", "tags": ["Technical Description", "Third Party Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-203"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2019-13628", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"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"}, "severity": "LOW", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 1.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"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}}, "publishedDate": "2019-10-03T14:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "4.0.0"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2019-10-10T14:26Z"}