{"affected":[{"affectedData":[{"product":"samba","vendor":"n/a","versions":[{"status":"unaffected","version":"4.19.1"},{"status":"unaffected","version":"4.18.8"},{"status":"unaffected","version":"4.17.12"}]},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"unaffected","packageName":"samba","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"unaffected","packageName":"samba4","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"unaffected","packageName":"samba","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"unaffected","packageName":"samba","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"unaffected","packageName":"samba","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:storage:3"],"defaultStatus":"unaffected","packageName":"samba","product":"Red Hat Storage 3","vendor":"Red Hat"},{"collectionURL":"https://packages.fedoraproject.org/","defaultStatus":"affected","packageName":"samba","product":"Fedora","vendor":"Fedora"}],"source":"secalert@redhat.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*","matchCriteriaId":"F1CC08E7-E96D-4475-ACB6-22CDF280913E","versionEndExcluding":"4.17.12","versionStartIncluding":"4.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*","matchCriteriaId":"8A33312F-1523-4647-83DA-6DD6231906F9","versionEndExcluding":"4.18.8","versionStartIncluding":"4.18.0","vulnerable":true},{"criteria":"cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*","matchCriteriaId":"DE496104-DDB5-4709-8026-C83E99B0C865","versionEndExcluding":"4.19.1","versionStartIncluding":"4.19.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"A design flaw was found in Samba's DirSync control implementation, which exposes passwords and secrets in Active Directory to privileged users and Read-Only Domain Controllers (RODCs). This flaw allows RODCs and users possessing the GET_CHANGES right to access all attributes, including sensitive secrets and passwords. Even in a default setup, RODC DC accounts, which should only replicate some passwords, can gain access to all domain secrets, including the vital krbtgt, effectively eliminating the RODC / DC distinction. Furthermore, the vulnerability fails to account for error conditions (fail open), like out-of-memory situations, potentially granting access to secret attributes, even under low-privileged attacker influence."},{"lang":"es","value":"Se encontró una falla de diseño en la implementación del control DirSync de Samba, que expone contraseñas y secretos en Active Directory a usuarios privilegiados y Controladores de Dominio de Solo Lectura (RODC). Esta falla permite a los RODC y a los usuarios que poseen el derecho GET_CHANGES acceder a todos los atributos, incluidos secretos y contraseñas confidenciales. Incluso en una configuración predeterminada, las cuentas RODC DC, que solo deberían replicar algunas contraseñas, pueden obtener acceso a todos los secretos del dominio, incluido el vital krbtgt, eliminando efectivamente la distinción RODC/DC. Además, la vulnerabilidad no tiene en cuenta las condiciones de error (fallo de apertura), como situaciones de falta de memoria, lo que potencialmente otorga acceso a atributos secretos, incluso bajo la influencia de un atacante con pocos privilegios."}],"id":"CVE-2023-4154","lastModified":"2026-06-17T06:37:11.603","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":1.6,"impactScore":5.9,"source":"secalert@redhat.com","type":"Secondary"},{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"exploitabilityScore":2.8,"impactScore":3.6,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2023-11-07T20:15:08.683","references":[{"source":"secalert@redhat.com","tags":["Third Party Advisory"],"url":"https://access.redhat.com/security/cve/CVE-2023-4154"},{"source":"secalert@redhat.com","tags":["Issue Tracking"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2241883"},{"source":"secalert@redhat.com","tags":["Issue Tracking","Patch"],"url":"https://bugzilla.samba.org/show_bug.cgi?id=15424"},{"source":"secalert@redhat.com","url":"https://security.netapp.com/advisory/ntap-20231124-0002/"},{"source":"secalert@redhat.com","tags":["Vendor Advisory"],"url":"https://www.samba.org/samba/security/CVE-2023-4154.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://access.redhat.com/security/cve/CVE-2023-4154"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2241883"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Patch"],"url":"https://bugzilla.samba.org/show_bug.cgi?id=15424"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"https://security.netapp.com/advisory/ntap-20231124-0002/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://www.samba.org/samba/security/CVE-2023-4154.html"}],"sourceIdentifier":"secalert@redhat.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-787"}],"source":"secalert@redhat.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-787"}],"source":"nvd@nist.gov","type":"Primary"}]}