{ "id": "CVE-2017-9478", "sourceIdentifier": "cve@mitre.org", "published": "2017-07-31T03:29:00.300", "lastModified": "2024-11-21T03:36:13.563", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "The Comcast firmware on Cisco DPC3939 (firmware version dpc3939-P20-18-v303r20421733-160420a-CMCST) and DPC3939 (firmware version dpc3939-P20-18-v303r20421746-170221a-CMCST) devices sets the CM MAC address to a value with a two-byte offset from the MTA/VoIP MAC address, which indirectly allows remote attackers to discover hidden Home Security Wi-Fi networks by leveraging the embedding of the MTA/VoIP MAC address into the DNS hostname." }, { "lang": "es", "value": "El firmware de Comcast en Cisco DPC3939 (versi\u00f3n de firmware dpc3939-P20-18-v303r20421733-160420a-CMCST) y DPC3939 (DPC3939 (DPC3939 ( versi\u00f3n de firmware dpc3939-P20-18-v303r20421746-170221a-CMCST), establece la direcci\u00f3n MAC CM en un valor con un offset de dos bytes de la Direcci\u00f3n MAC MTA/VoIP, que indirectamente permite a los atacantes remotos detectar redes Wi-Fi ocultas de Home Security mediante el aprovechamiento de la inserci\u00f3n de la direcci\u00f3n MAC MTA/VoIP en el nombre de host DNS." } ], "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:N/A:N", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "baseScore": 5.0, "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "availabilityImpact": "NONE" }, "baseSeverity": "MEDIUM", "exploitabilityScore": 10.0, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-200" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:cisco:dpc3939_firmware:dpc3939-p20-18-v303r20421746-170221a-cmcst:*:*:*:*:*:*:*", "matchCriteriaId": "C881B07A-9652-465E-A804-1B5ED959E1C4" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:cisco:dpc3939:-:*:*:*:*:*:*:*", "matchCriteriaId": "F4E96E97-FA9D-446C-A5D7-1B4C2DD939D4" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:cisco:dpc3939_firmware:dpc3939-p20-18-v303r20421733-160420a-cmcst:*:*:*:*:*:*:*", "matchCriteriaId": "76A1B99C-3219-4AED-85CE-18B979634B08" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:cisco:dpc3939:-:*:*:*:*:*:*:*", "matchCriteriaId": "F4E96E97-FA9D-446C-A5D7-1B4C2DD939D4" } ] } ] } ], "references": [ { "url": "https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-20.emta-reverse-dns.txt", "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ] }, { "url": "https://github.com/BastilleResearch/CableTap/blob/master/doc/advisories/bastille-20.emta-reverse-dns.txt", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Third Party Advisory" ] } ] }