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ESXi600-201711101-SG, 5.5 ESXi550-201709101-SG), Workstation (12.x before 12.5.8), and Fusion (8.x before 8.5.9) contain a vulnerability that could allow an authenticated VNC session to cause a stack overflow via a specific set of VNC packets. Successful exploitation of this issue could result in remote code execution in a virtual machine via the authenticated VNC session. Note: In order for exploitation to be possible in ESXi, VNC must be manually enabled in a virtual machine's .vmx configuration file. In addition, ESXi must be configured to allow VNC traffic through the built-in firewall."}, {"lang": "es", "value": "VMware ESXi (6.0 anteriores a ESXi600-201711101-SG, 5.5 ESXi550-201709101-SG), Workstation (12.x anteriores a la 12.5.8) y Fusion (8.x anteriores a la 8.5.9) contienen una vulnerabilidad que podr\u00eda permitir que una sesi\u00f3n VNC autenticada provoque un desbordamiento de pila mediante una serie espec\u00edfica de paquetes VNC. La explotaci\u00f3n exitosa de esta vulnerabilidad podr\u00eda resultar en la ejecuci\u00f3n remota de c\u00f3digo en una m\u00e1quina virtual mediante la sesi\u00f3n VNC autenticada. Nota: Para que sea posible la explotaci\u00f3n en ESXi, VNC debe estar habilitado manualmente en un archivo de configuraci\u00f3n .vmx de la m\u00e1quina virtual. Adem\u00e1s, ESXi se debe configurar para permitir el tr\u00e1fico VNC a trav\u00e9s del firewall incorporado."}], "id": "CVE-2017-4941", "lastModified": "2026-05-13T00:24:29.033", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-12-20T15:29:00.297", "references": [{"source": "security@vmware.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1040024"}, {"source": "security@vmware.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1040025"}, {"source": "security@vmware.com", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://www.vmware.com/security/advisories/VMSA-2017-0021.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1040024"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1040025"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://www.vmware.com/security/advisories/VMSA-2017-0021.html"}], "sourceIdentifier": "security@vmware.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

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