CVE-2019-9747

{"id": "CVE-2019-9747", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2019-03-13T19:29:00.207", "references": [{"url": "https://bitbucket.org/geekman/tinysvcmdns/issues/11/denial-of-service-vulnerability-infinite", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://bitbucket.org/geekman/tinysvcmdns/issues/11/denial-of-service-vulnerability-infinite", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-835"}]}], "descriptions": [{"lang": "en", "value": "In tinysvcmdns through 2018-01-16, a maliciously crafted mDNS (Multicast DNS) packet triggers an infinite loop while parsing an mDNS query. When mDNS compressed labels point to each other, the function uncompress_nlabel goes into an infinite loop trying to analyze the packet with an mDNS query. As a result, the mDNS server hangs after receiving the malicious mDNS packet. NOTE: the product's web site states \"This project is un-maintained, and has been since 2013. ... There are known vulnerabilities ... You are advised to NOT use this library for any new projects / products.\""}, {"lang": "es", "value": "En tinysvcmdns, hasta el 16/01/2018, un paquete mDNS (Multicast DNS) maliciosamente manipulado desencadena un bucle infinito al analizar una consulta mDNS. Cuando mDNS comprim\u00eda etiquetas que se se\u00f1alaban mutuamente, la funci\u00f3n uncompress_nlabel entrar\u00e1 en un bucle infinito, intentando analizar el paquete con una consulta mDNS. Como resultado, el servidor mDNS se cuelga tras recibir el paquete mDNS malicioso. NOTA: el sitio web del producto indica que \"el proyecto no se est\u00e1 manteniendo desde 2013. ... Hay vulnerabilidades conocidas ... Se recomienda NO emplear esta biblioteca para cualquier producto/proyecto nuevo\"."}], "lastModified": "2024-11-21T04:52:13.700", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:tinysvcmdns_project:tinysvcmdns:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4CCD4237-B11D-455D-83C3-E4EAFA481ED7", "versionEndIncluding": "2018-01-16"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}