{"id": "CVE-2022-29958", "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}]}, "published": "2022-07-26T22:15:10.963", "references": [{"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-172-02", "tags": ["Third Party Advisory", "US Government Resource"], "source": "cve@mitre.org"}, {"url": "https://www.forescout.com/blog/", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-172-02", "tags": ["Third Party Advisory", "US Government Resource"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.forescout.com/blog/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-345"}]}], "descriptions": [{"lang": "en", "value": "JTEKT TOYOPUC PLCs through 2022-04-29 do not ensure data integrity. They utilize the unauthenticated CMPLink/TCP protocol for engineering purposes, including downloading projects and control logic to the PLC. Control logic is downloaded to the PLC on a block-by-block basis with a given memory address and a blob of machine code. The logic that is downloaded to the PLC is not cryptographically authenticated, allowing an attacker to execute arbitrary machine code on the PLC's CPU module in the context of the runtime. In the case of the PC10G-CPU, and likely for other CPU modules of the TOYOPUC family, a processor without MPU or MMU is used and this no memory protection or privilege-separation capabilities are available, giving an attacker full control over the CPU."}, {"lang": "es", "value": "JTEKT TOYOPUC PLC versiones hasta 29-04-2022, no aseguran la integridad de los datos. Usan el protocolo CMPLink/TCP no autenticado para fines de ingenier\u00eda, incluyendo la descarga de proyectos y l\u00f3gica de control al PLC. La l\u00f3gica de control es descargada en el PLC bloque por bloque con una direcci\u00f3n de memoria determinada y un bloque de c\u00f3digo de m\u00e1quina. La l\u00f3gica que es descargada en el PLC no est\u00e1 autenticada criptogr\u00e1ficamente, lo que permite a un atacante ejecutar c\u00f3digo m\u00e1quina arbitrario en el m\u00f3dulo CPU del PLC en el contexto del tiempo de ejecuci\u00f3n. En el caso de la PC10G-CPU, y probablemente para otros m\u00f3dulos de CPU de la familia TOYOPUC, Es usado un procesador sin MPU o MMU y esto sin protecci\u00f3n de memoria o capacidades de separaci\u00f3n de privilegios, dando a un atacante el control total sobre la CPU."}], "lastModified": "2024-11-21T07:00:03.713", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:jtekt:pc10g-cpu_tcc-6353_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C91AC65C-2D29-4BA0-911F-4D42E1A1AE28"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:jtekt:pc10g-cpu_tcc-6353:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "F04AF876-5E55-4C88-838B-DD5DDD1552C6"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:jtekt:pc10ge_tcc-6464_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3543E5E2-52C9-4E2F-96E4-7BBFA045EDB4"}], "operator": "OR"}, 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