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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:wago:pfc200_firmware:03.02.02\\(14\\):*:*:*:*:*:*:*", "matchCriteriaId": "6274B67D-C65B-4834-9DB5-6FB3D0ADD3A9", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:wago:pfc200:-:*:*:*:*:*:*:*", "matchCriteriaId": "688A3248-7EAA-499D-A47C-A4D4900CDBD1", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An exploitable stack buffer overflow vulnerability vulnerability exists in the iocheckd service \u2018I/O-Check\u2019 functionality of WAGO PFC 200 Firmware version 03.02.02(14). A specially crafted XML cache file written to a specific location on the device can cause a stack buffer overflow, resulting in code execution. An attacker can send a specially crafted packet to trigger the parsing of this cache file. The destination buffer sp+0x440 is overflowed with the call to sprintf() for any subnetmask values that are greater than 1024-len(\u2018/etc/config-tools/config_interfaces interface=X1 state=enabled subnet-mask=\u2018) in length. A subnetmask value of length 0x3d9 will cause the service to crash."}, {"lang": "es", "value": "Se presenta una vulnerabilidad de desbordamiento del b\u00fafer de la pila explotable en la funcionalidad \"I-O-Check\" del servicio iocheckd de WAGO PFC 200, versiones de Firmware 03.02.02(14). Un archivo cache XML especialmente dise\u00f1ado escrito en una ubicaci\u00f3n espec\u00edfica en el dispositivo puede causar un desbordamiento del b\u00fafer de la pila, resultando en una ejecuci\u00f3n de c\u00f3digo. Un atacante puede enviar un paquete especialmente dise\u00f1ado para activar el an\u00e1lisis de este archivo cache. El b\u00fafer destino p+0x440 es desbordado con la llamada a la funci\u00f3n sprintf() para cualquier valor de mascara de subred que sea mayor que 11024-len(\u2018/etc/config-tools/config_interfaces interface=X1 state=enabled subnet-mask=\u2018) en longitud. Un valor de mascara de subred de longitud 0x3d9 causar\u00e1 que el servicio se bloquee."}], "id": "CVE-2019-5181", "lastModified": "2020-03-17T13:35:47.377", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-03-12T00:15:18.493", "references": [{"source": "talos-cna@cisco.com", "tags": ["Exploit", "Technical Description", "Third Party Advisory"], "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2019-0963"}], "sourceIdentifier": "talos-cna@cisco.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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