CVE-2019-19269

{"id": "CVE-2019-19269", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "authentication": "SINGLE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.2}]}, "published": "2019-11-30T23:15:18.223", "references": [{"url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00009.html", "source": "cve@mitre.org"}, {"url": "https://github.com/proftpd/proftpd/issues/861", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2019/11/msg00039.html", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OGBBCPLJSDPFG5EI5P5G7P4KEX7YSD5G/", "source": "cve@mitre.org"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QR65XUHPCRU3NXTSFVF2J4GWRIHC7AHW/", "source": "cve@mitre.org"}, {"url": "https://security.gentoo.org/glsa/202003-35", "source": "cve@mitre.org"}, {"url": "https://www.oracle.com/security-alerts/cpuapr2020.html", "source": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in tls_verify_crl in ProFTPD through 1.3.6b. A dereference of a NULL pointer may occur. This pointer is returned by the OpenSSL sk_X509_REVOKED_value() function when encountering an empty CRL installed by a system administrator. The dereference occurs when validating the certificate of a client connecting to the server in a TLS client/server mutual-authentication setup."}, {"lang": "es", "value": "Se detect\u00f3 un problema en tls_verify_crl en ProFTPD versiones hasta 1.3.6b. Se puede presentar una desreferencia de un puntero NULL. Este puntero es devuelto por la funci\u00f3n sk_X509_REVOKED_value() de OpenSSL cuando encuentra una CRL vac\u00eda instalada mediante un administrador del sistema. La desreferencia se presenta cuando se comprueba el certificado de un cliente que conecta al servidor en una configuraci\u00f3n de autenticaci\u00f3n mutua cliente/servidor TLS."}], "lastModified": "2023-11-07T03:07:36.770", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:proftpd:proftpd:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9489E448-D5B8-4A38-99CE-C472EA881D69", "versionEndIncluding": "1.3.5e"}, {"criteria": "cpe:2.3:a:proftpd:proftpd:1.3.6:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "47526BA5-3955-43B3-8EA4-5C29DDA3F9C7"}, {"criteria": "cpe:2.3:a:proftpd:proftpd:1.3.6:alpha:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7FC30FC2-1DEB-4CA7-922C-EA94E895E978"}, {"criteria": "cpe:2.3:a:proftpd:proftpd:1.3.6:beta:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1F41C633-216D-4A8C-BAA6-940452751735"}, {"criteria": "cpe:2.3:a:proftpd:proftpd:1.3.6:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B6475817-8CC7-4C0C-A9A6-E58189852DA2"}, {"criteria": "cpe:2.3:a:proftpd:proftpd:1.3.6:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "84CB8C28-C432-4FD4-9B76-CA6C2C8824D9"}, {"criteria": "cpe:2.3:a:proftpd:proftpd:1.3.6:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "21D053B1-AFDE-4859-ACFB-C51DC28EAA04"}, {"criteria": "cpe:2.3:a:proftpd:proftpd:1.3.6:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AA9A0785-FF92-4AB0-8F42-9060FB24120E"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "97A4B8DF-58DA-4AB6-A1F9-331B36409BA3"}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "80F0FA5D-8D3B-4C0E-81E2-87998286AF33"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}