CVE-2019-12789

{"id": "CVE-2019-12789", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "[email protected]", "cvssData": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 6.8, "attackVector": "PHYSICAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:P/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": 0.9}]}, "published": "2019-06-17T17:15:11.193", "references": [{"url": "http://seclists.org/fulldisclosure/2019/Jun/10", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "source": "[email protected]"}, {"url": "https://www.actiontec.com/blog/", "tags": ["Third Party Advisory"], "source": "[email protected]"}, {"url": "http://seclists.org/fulldisclosure/2019/Jun/10", "tags": ["Exploit", "Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.actiontec.com/blog/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered on Actiontec T2200H T2200H-31.128L.08 devices, as distributed by Telus. By attaching a UART adapter to the UART pins on the system board, an attacker can use a special key sequence (Ctrl-\\) to obtain a shell with root privileges. After gaining root access, the attacker can mount the filesystem read-write and make permanent modifications to the device including bricking of the device, disabling vendor management of the device, preventing automatic upgrades, and permanently installing malicious code on the device."}, {"lang": "es", "value": "Se detecto un problema en los dispositivos Actiontec T2200H T2200H-31.128L.08, distribuidos por Telus. Mediante la fijaci\u00f3n de un adaptador UART a los pines UART en la placa base, un atacante puede utilizar una secuencia de teclas especial (Ctrl- ) para obtener un shell con privilegios root. Despu\u00e9s de obtener acceso root, el atacante puede montar el sistema de archivos de lectura y escritura y realizar modificaciones permanentes en el dispositivo, incluido el bloqueo del dispositivo, deshabilitar la administraci\u00f3n del proveedor del dispositivo, evitar actualizaciones autom\u00e1ticas e instalar permanentemente c\u00f3digo malicioso en el dispositivo."}], "lastModified": "2024-11-21T04:23:35.060", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:actiontec:t2200h_firmware:t2200h-31.1238l.08:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A9A1B06F-9A99-4BF8-851D-8CF744C84710"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:actiontec:t2200h:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "BEEE269C-3831-413E-9D48-6FD09A1A30CC"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "[email protected]"}