CVE-2021-31226

{"id": "CVE-2021-31226", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "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": "2021-08-19T11:15:07.563", "references": [{"url": "https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/", "tags": ["Mitigation", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.kb.cert.org/vuls/id/608209", "tags": ["Third Party Advisory", "US Government Resource"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in HCC embedded InterNiche 4.0.1. A potential heap buffer overflow exists in the code that parses the HTTP POST request, due to lack of size validation. This vulnerability requires the attacker to send a crafted HTTP POST request with a URI longer than 50 bytes. This leads to a heap overflow in wbs_post() via an strcpy() call."}, {"lang": "es", "value": "Se ha detectado un problema en HCC embedded InterNiche versi\u00f3n 4.0.1. Se presenta un potencial desbordamiento del b\u00fafer de la pila en el c\u00f3digo que analiza la petici\u00f3n HTTP POST, debido a una falta de comprobaci\u00f3n del tama\u00f1o. Esta vulnerabilidad requiere que el atacante env\u00ede una petici\u00f3n HTTP POST dise\u00f1ada con un URI de m\u00e1s de 50 bytes. Esto conlleva a un desbordamiento de pila en la funci\u00f3n wbs_post() por medio de una llamada a la funci\u00f3n strcpy()."}], "lastModified": "2021-08-26T02:26:46.877", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:hcc-embedded:interniche:4.0.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "30C4D75D-BA85-4C30-BB57-D0F9E8D56688"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}