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The DHCP client application assumes that the data supplied with the \u201cHostname\u201d DHCP option is NULL terminated. In cases when global hostname variable is not defined, this may lead to Out-of-bound reads, writes, and Denial-of-service conditions. (FSMD-2021-0014)"}, {"lang": "es", "value": "Se ha identificado una vulnerabilidad en APOGEE MBC (PPC) (BACnet) (Todas las versiones), APOGEE MBC (PPC) (P2 Ethernet) (Todas las versiones), APOGEE MEC (PPC) (BACnet) (Todas las versiones), APOGEE MEC (PPC) (P2 Ethernet) (Todas las versiones), APOGEE PXC Compact (BACnet) (Todas las versiones anteriores a V3. 5.4), APOGEE PXC Compact (P2 Ethernet) (Todas las versiones anteriores a V2.8.19), APOGEE PXC Modular (BACnet) (Todas las versiones anteriores a V3. 5.4), APOGEE PXC Modular (P2 Ethernet) (Todas las versiones anteriores a V2.8.19), Capital VSTAR (Todas las versiones con opciones de Ethernet habilitadas), Desigo PXC00-E.D (Todas las versiones posteriores o iguales a V2.3 y anteriores a V6. 30.016), Desigo PXC00-U (Todas las versiones posteriores o iguales a V2.3 y anteriores a V6.30.016), Desigo PXC001-E.D (Todas las versiones posteriores o iguales a V2.3 y anteriores a V6.30.016), Desigo PXC100-E.D (Todas las versiones posteriores o iguales a V2.3 y anteriores a V6.30. 016), Desigo PXC12-E.D (Todas las versiones posteriores o iguales a V2.3 y anteriores a V6.30.016), Desigo PXC128-U (Todas las versiones posteriores o iguales a V2.3 y anteriores a V6.30.016), Desigo PXC200-E.D (Todas las versiones posteriores o iguales a V2.3 y anteriores a V6.30.016), Desigo PXC22-E. D (Todas las versiones posteriores o iguales a V2.3 y anteriores a V6.30.016), Desigo PXC22.1-E.D (Todas las versiones posteriores o iguales a V2.3 y anteriores a V6.30.016), Desigo PXC36.1-E.D (Todas las versiones posteriores o iguales a V2.3 y anteriores a V6.30.016), Desigo PXC50-E. D (Todas las versiones posteriores o iguales a V2.3 y anteriores a V6.30.016), Desigo PXC64-U (Todas las versiones posteriores o iguales a V2.3 y anteriores a V6.30.016), Desigo PXM20-E (Todas las versiones posteriores o iguales a V2.3 y anteriores a V6.30. 016), Nucleus NET (Todas las versiones), Nucleus ReadyStart V3 (Todas las versiones anteriores a V2017.02.4), Nucleus Source Code (Todas las versiones), TALON TC Compact (BACnet) (Todas las versiones anteriores a V3.5.4), TALON TC Modular (BACnet) (Todas las versiones anteriores a V3.5.4). La aplicaci\u00f3n cliente DHCP asume que los datos suministrados con la opci\u00f3n DHCP \"Hostname\" est\u00e1n terminados en NULL. En los casos en los que la variable global de nombre de host no est\u00e1 definida, esto puede llevar a lecturas y escrituras fuera de los l\u00edmites y a condiciones de denegaci\u00f3n de servicio. (FSMD-2021-0014)"}], "id": "CVE-2021-31884", "lastModified": "2024-11-21T06:06:25.570", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "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": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-11-09T12:15:09.437", "references": [{"source": "productcert@siemens.com", "tags": ["Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf"}, {"source": "productcert@siemens.com", "tags": ["Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-114589.pdf"}, {"source": "productcert@siemens.com", "tags": ["Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-620288.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-114589.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-620288.pdf"}], "sourceIdentifier": "productcert@siemens.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-170"}], "source": "productcert@siemens.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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