CVE-2019-11727

{"id": "CVE-2019-11727", "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}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2019-07-23T14:15:16.450", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html", "source": "security@mozilla.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html", "source": "security@mozilla.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html", "source": "security@mozilla.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html", "source": "security@mozilla.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00006.html", "source": "security@mozilla.org"}, {"url": "https://access.redhat.com/errata/RHSA-2019:1951", "source": "security@mozilla.org"}, {"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1552208", "tags": ["Issue Tracking", "Permissions Required", "Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://security.gentoo.org/glsa/201908-12", "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2019-21/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-295"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability exists where it possible to force Network Security Services (NSS) to sign CertificateVerify with PKCS#1 v1.5 signatures when those are the only ones advertised by server in CertificateRequest in TLS 1.3. PKCS#1 v1.5 signatures should not be used for TLS 1.3 messages. This vulnerability affects Firefox < 68."}, {"lang": "es", "value": "Se presenta una vulnerabilidad donde es posible forzar a Network Security Services (NSS) para firmar CertificateVerify con firmas de PKCS#1 versi\u00f3n v1.5 cuando esas son las \u00fanicas anunciadas por el servidor en CertificateRequest en TLS versi\u00f3n 1.3. Las firmas de PKCS#1 versi\u00f3n v1.5 no deben ser usadas para mensajes de TLS versi\u00f3n 1.3. Esta vulnerabilidad afecta a Firefox anterior a versi\u00f3n 68."}], "lastModified": "2019-07-30T23:15:12.467", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BB53FE62-B5D2-497B-A7E3-40FFE81A9653", "versionEndExcluding": "68.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@mozilla.org"}