CVE-2021-36762

{"id": "CVE-2021-36762", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:C/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 6.9, "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": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2021-08-19T12:15:09.133", "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.hcc-embedded.com/about/about-interniche", "tags": ["Product"], "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": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in HCC Embedded InterNiche NicheStack through 4.3. The tfshnd():tftpsrv.c TFTP packet processing function doesn't ensure that a filename is adequately '\\0' terminated; therefore, a subsequent call to strlen for the filename might read out of bounds of the protocol packet buffer (if no '\\0' byte exists within a reasonable range)."}, {"lang": "es", "value": "Se ha detectado un problema en HCC Embedded InterNicheStack versiones hasta 4.3. La funci\u00f3n packet processing TFTP tfshnd():tftpsrv.c no asegura que un nombre de archivo est\u00e9 apropiadamente terminado en \"\\0\"; por lo tanto, una llamada posterior a strlen para el nombre de archivo podr\u00eda leer fuera de l\u00edmites del b\u00fafer de paquetes del protocolo (si no presenta ning\u00fan byte \"\\0\" dentro de un rango razonable)."}], "lastModified": "2023-08-08T14:21:49.707", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:hcc-embedded:nichestack:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "36A27EF5-D19C-4126-850C-89387A7A1410", "versionEndExcluding": "4.3"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}