CVE-2023-3961

{"id": "CVE-2023-3961", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "secalert@redhat.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 5.2, "exploitabilityScore": 3.9}]}, "published": "2023-11-03T13:15:08.723", "references": [{"url": "https://access.redhat.com/errata/RHSA-2023:6209", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2023:6744", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2023:7371", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2023:7408", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2023:7464", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2023:7467", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/security/cve/CVE-2023-3961", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2241881", "tags": ["Issue Tracking"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.samba.org/show_bug.cgi?id=15422", "tags": ["Exploit", "Issue Tracking"], "source": "secalert@redhat.com"}, {"url": "https://www.samba.org/samba/security/CVE-2023-3961.html", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-22"}]}, {"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-22"}]}], "descriptions": [{"lang": "en", "value": "A path traversal vulnerability was identified in Samba when processing client pipe names connecting to Unix domain sockets within a private directory. Samba typically uses this mechanism to connect SMB clients to remote procedure call (RPC) services like SAMR LSA or SPOOLSS, which Samba initiates on demand. However, due to inadequate sanitization of incoming client pipe names, allowing a client to send a pipe name containing Unix directory traversal characters (../). This could result in SMB clients connecting as root to Unix domain sockets outside the private directory. If an attacker or client managed to send a pipe name resolving to an external service using an existing Unix domain socket, it could potentially lead to unauthorized access to the service and consequential adverse events, including compromise or service crashes."}, {"lang": "es", "value": "Se identific\u00f3 una vulnerabilidad de path traversal en Samba al procesar nombres de canalizaciones de clientes que se conectan a sockets de dominio Unix dentro de un directorio privado. Samba normalmente usa este mecanismo para conectar clientes SMB a servicios de Remote Procedure Call (RPC) como SAMR LSA o SPOOLSS, que Samba inicia bajo demanda. Sin embargo, debido a una sanitizaci\u00f3n inadecuada de los nombres de canalizaci\u00f3n del cliente entrante, se permite que un cliente env\u00ede un nombre de canalizaci\u00f3n que contenga caracteres transversales del directorio Unix (../). Esto podr\u00eda provocar que los clientes SMB se conecten como root a sockets de dominio Unix fuera del directorio privado. Si un atacante o cliente lograra enviar un nombre de canalizaci\u00f3n a un servicio externo utilizando un socket de dominio Unix existente, podr\u00eda provocar un acceso no autorizado al servicio y los consiguientes eventos adversos, incluido el compromiso o la ca\u00edda del servicio."}], "lastModified": "2024-09-16T15:15:13.740", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1C9913F9-D46D-4CE3-AA78-E50D32779971", "versionEndExcluding": "4.17.12"}, {"criteria": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8A33312F-1523-4647-83DA-6DD6231906F9", "versionEndExcluding": "4.18.8", "versionStartIncluding": "4.18.0"}, {"criteria": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DE496104-DDB5-4709-8026-C83E99B0C865", "versionEndExcluding": "4.19.1", "versionStartIncluding": "4.19.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:redhat:storage:3.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "379A5883-F6DF-41F5-9403-8D17F6605737"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4DDA3E5A-8754-4C48-9A27-E2415F8A6000"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B8EDB836-4E6A-4B71-B9B2-AA3E03E0F646"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}