CVE-2019-14833

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{}

{"affected": [{"affectedData": [{"product": "samba", "vendor": "Samba", "versions": [{"status": "affected", "version": "all versions starting samba 4.5.0 before samba 4.9.15, samba 4.10.10, samba 4.11.2"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*", "matchCriteriaId": "EE0697DD-2E86-446B-97BA-239EC0269CE4", "versionEndExcluding": "4.9.15", "versionStartIncluding": "4.5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*", "matchCriteriaId": "CC76A261-FE98-42F2-A791-47FBA16AB791", "versionEndExcluding": "4.10.10", "versionStartIncluding": "4.10.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*", "matchCriteriaId": "07815BAF-7322-44A3-BE46-EC474DE07238", "versionEndExcluding": "4.11.2", "versionStartIncluding": "4.11.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*", "matchCriteriaId": "D100F7CE-FC64-4CC6-852A-6136D72DA419", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*", "matchCriteriaId": "97A4B8DF-58DA-4AB6-A1F9-331B36409BA3", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*", "matchCriteriaId": "80F0FA5D-8D3B-4C0E-81E2-87998286AF33", "vulnerable": true}, {"criteria": "cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*", "matchCriteriaId": "F1E78106-58E6-4D59-990F-75DA575BFAD9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in Samba, all versions starting samba 4.5.0 before samba 4.9.15, samba 4.10.10, samba 4.11.2, in the way it handles a user password change or a new password for a samba user. The Samba Active Directory Domain Controller can be configured to use a custom script to check for password complexity. This configuration can fail to verify password complexity when non-ASCII characters are used in the password, which could lead to weak passwords being set for samba users, making it vulnerable to dictionary attacks."}, {"lang": "es", "value": "Se encontr\u00f3 un fallo en Samba, todas las versiones iniciando samba versiones 4.5.0 anteriores a samba 4.9.15, samba versi\u00f3n 4.10.10, samba versi\u00f3n 4.11.2, en la manera en que maneja un cambio de contrase\u00f1a de usuario o una nueva contrase\u00f1a para un usuario de samba. El Controlador de Dominio Active Directory de Samba puede ser configurado para usar un script personalizado para comprobar la complejidad de la contrase\u00f1a. Esta configuraci\u00f3n puede fallar al comprobar la complejidad de la contrase\u00f1a cuando son usados caracteres no ASCII en la contrase\u00f1a, lo que podr\u00eda conllevar a que contrase\u00f1as d\u00e9biles sean establecidas para usuarios de samba, haci\u00e9ndolo vulnerable a ataques de diccionario."}], "id": "CVE-2019-14833", "lastModified": "2026-06-17T02:19:07.570", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 4.9, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.0"}, "exploitabilityScore": 1.6, "impactScore": 2.5, "source": "secalert@redhat.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.5, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-11-06T10:15:10.793", "references": [{"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00015.html"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Mitigation", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14833"}, {"source": "secalert@redhat.com", "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00023.html"}, {"source": "secalert@redhat.com", "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00013.html"}, {"source": "secalert@redhat.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OKPYHDFI7HRELVXBE5J4MTGSI35AKFBI/"}, {"source": "secalert@redhat.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UMIYCYXCPRTVCVZ3TP6ZGPJ6RZS3IX4G/"}, {"source": "secalert@redhat.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XQ3IUACPZJXSC4OM6P2V4IC4QMZQZWPD/"}, {"source": "secalert@redhat.com", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://www.samba.org/samba/security/CVE-2019-14833.html"}, {"source": "secalert@redhat.com", "url": "https://www.synology.com/security/advisory/Synology_SA_19_35"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00015.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Mitigation", "Patch", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14833"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00023.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00013.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OKPYHDFI7HRELVXBE5J4MTGSI35AKFBI/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UMIYCYXCPRTVCVZ3TP6ZGPJ6RZS3IX4G/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XQ3IUACPZJXSC4OM6P2V4IC4QMZQZWPD/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://www.samba.org/samba/security/CVE-2019-14833.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.synology.com/security/advisory/Synology_SA_19_35"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-305"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-521"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank the Samba project for reporting this issue. Upstream acknowledges Simon Fonteneau as the original reporter.", "bugzilla": {"description": "samba: AD DC check password script does not receive full password when non-ASCII characters are used", "id": "1764126", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1764126"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.2", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N", "status": "draft"}, "cwe": "CWE-305", "details": ["A flaw was found in Samba, all versions starting samba 4.5.0 before samba 4.9.15, samba 4.10.10, samba 4.11.2, in the way it handles a user password change or a new password for a samba user. The Samba Active Directory Domain Controller can be configured to use a custom script to check for password complexity. This configuration can fail to verify password complexity when non-ASCII characters are used in the password, which could lead to weak passwords being set for samba users, making it vulnerable to dictionary attacks.", "A flaw was found in Samba in the way it handles a user password change or a new password for a samba user. The Samba Active Directory Domain Controller can be configured to use a custom script to check for password complexity. This configuration can fail to verify password complexity when non-ASCII characters are used in the password, which could lead to weak passwords being set for samba users, making it vulnerable to dictionary attacks."], "mitigation": {"lang": "en:us", "value": "If the check password script parameter is not specified, Samba runs the internal password quality checks. The internal check makes sure that a password contains characters from three of five different characters categories."}, "name": "CVE-2019-14833", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "samba", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "samba3x", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "samba", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "samba4", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "samba", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "samba", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:storage:3", "fix_state": "Not affected", "package_name": "samba", "product_name": "Red Hat Storage 3"}, {"cpe": "cpe:/o:redhat:rhev_hypervisor:4", "fix_state": "Not affected", "package_name": "redhat-virtualization-host", "product_name": "Red Hat Virtualization 4"}], "public_date": "2019-10-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2019-14833\nhttps://nvd.nist.gov/vuln/detail/CVE-2019-14833\nhttps://www.samba.org/samba/security/CVE-2019-14833.html"], "statement": "This flaw does not affect the version of samba shipped with Red Hat Enterprise Linux because there is no support for samba as Active Directory Domain Controller.", "threat_severity": "Moderate"}

{}