{ "id": "CVE-2018-10238", "sourceIdentifier": "cve@mitre.org", "published": "2018-04-20T07:29:00.227", "lastModified": "2019-10-07T21:15:10.893", "vulnStatus": "Modified", "descriptions": [ { "lang": "en", "value": "bvlc.c in skarg BACnet Protocol Stack bacserv 0.9.1 and 0.8.5 is affected by a Buffer Overflow because of a lack of packet-size validation. The affected component is bacserv BACnet/IP BVLC forwarded NPDU. The function bvlc_bdt_forward_npdu() calls bvlc_encode_forwarded_npdu() which copies the content from the request into a local in the bvlc_bdt_forward_npdu() stack frame and clobbers the canary. The attack vector is: A BACnet/IP device with BBMD enabled based on this library connected to IP network. The fixed version is: 0.8.6." }, { "lang": "es", "value": "vlc.c en skarg BACnet Protocol Stack versi\u00f3n 0.9.1 y versi\u00f3n 0.8.5 se ve afectado por una vulnerabilidad de desbordamiento de b\u00fafer debido a la falta de validaci\u00f3n del tama\u00f1o del paquete. El componente afectado es bacserv BACnet/IP BVLC reenviado NPDU. La funci\u00f3n bvlc_bdt_forward_npdu() llama a bvlc_encode_forwards_npdu(), que copia el contenido de la solicitud en un local en el marco de la pila bvlc_bdt_forward_npdu() y activa el canary. El vector de ataque es: Un dispositivo BACnet/IP con BBMD habilitado basado en esta biblioteca conectada a la red IP. La versi\u00f3n corregida es: 0.8.6." } ], "metrics": { "cvssMetricV30": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL" }, "exploitabilityScore": 3.9, "impactScore": 5.9 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "baseScore": 7.5 }, "baseSeverity": "HIGH", "exploitabilityScore": 10.0, "impactScore": 6.4, "acInsufInfo": true, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-119" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:bacnet_protocol_stack_project:bacnet_protocol_stack:0.8.5:*:*:*:*:*:*:*", "matchCriteriaId": "90787372-969B-4AB5-B397-C8E114D74021" } ] } ] } ], "references": [ { "url": "https://sourceforge.net/p/bacnet/bugs/55/", "source": "cve@mitre.org" }, { "url": "https://sourceforge.net/p/bacnet/code/3168/", "source": "cve@mitre.org", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "https://sourceforge.net/p/bacnet/code/3169/", "source": "cve@mitre.org" } ] }