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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:cisco:webex_meetings:*:*:*:*:*:*:*:*", "matchCriteriaId": "0274B4FE-AB78-412C-A837-DB9C9E7F51A1", "vulnerable": true}, {"criteria": "cpe:2.3:a:cisco:webex_teams:*:*:*:*:*:*:*:*", "matchCriteriaId": "3D78AB0F-AD39-46DE-AE43-D9DABE24DF8C", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "A vulnerability in the loading mechanism of specific dynamic link libraries in Cisco Webex Teams for Windows could allow an authenticated, local attacker to perform a DLL hijacking attack. To exploit this vulnerability, the attacker would need to have valid credentials on the Windows system. The vulnerability is due to insufficient validation of the resources loaded by the application at run time. An attacker could exploit this vulnerability by crafting a malicious DLL file and placing it in a specific location on the targeted system. The malicious DLL file would execute when the vulnerable application is launched. A successful exploit could allow the attacker to execute arbitrary code on the target machine with the privileges of another user account."}, {"lang": "es", "value": "Una vulnerabilidad en el mecanismo de carga de bibliotecas de enlaces din\u00e1micos espec\u00edficos en Cisco Webex Teams para Windows, podr\u00eda permitir a un atacante local autenticado realizar un ataque de secuestro de DLL. Para explotar esta vulnerabilidad, el atacante deber\u00eda tener credenciales v\u00e1lidas en el sistema Windows. La vulnerabilidad es debido a una comprobaci\u00f3n insuficiente de los recursos cargados por parte de la aplicaci\u00f3n durante el tiempo de ejecuci\u00f3n. Un atacante podr\u00eda explotar esta vulnerabilidad al crear un archivo DLL malicioso y coloc\u00e1ndolo en una ubicaci\u00f3n espec\u00edfica sobre el sistema destino. El archivo DLL malicioso se ejecutar\u00e1 cuando la aplicaci\u00f3n vulnerable sea iniciada. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante ejecutar c\u00f3digo arbitrario sobre la m\u00e1quina de destino con los privilegios de otra cuenta de usuario."}], "id": "CVE-2019-16001", "lastModified": "2019-12-11T18:00:15.680", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.4, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 3.4, "source": "ykramarz@cisco.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-11-26T04:15:12.623", "references": [{"source": "ykramarz@cisco.com", "tags": ["Vendor Advisory"], "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191120-webex-teams-dll"}], "sourceIdentifier": "ykramarz@cisco.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-427"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-427"}], "source": "ykramarz@cisco.com", "type": "Secondary"}]}

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