CVE-2019-9748

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:tinysvcmdns_project:tinysvcmdns:*:*:*:*:*:*:*:*", "matchCriteriaId": "4CCD4237-B11D-455D-83C3-E4EAFA481ED7", "versionEndIncluding": "2018-01-16", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In tinysvcmdns through 2018-01-16, an mDNS server processing a crafted packet can perform arbitrary data read operations up to 16383 bytes from the start of the buffer. This can lead to a segmentation fault in uncompress_nlabel in mdns.c and a crash of the server (depending on the memory protection of the CPU and the operating system), or disclosure of memory content via error messages or a server response. 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 servidor mDNS que procesa un paquete manipulado puede realizar operaciones arbitrarias de lectura de datos de hasta 16383 bytes desde el comienzo del b\u00fafer. Esto puede conducir a un fallo de segmentaci\u00f3n en uncompress_nlabel en mdns.c y un cierre inesperado del servidor (dependiendo de la protecci\u00f3n de memoria de la CPU y el sistema operativo) o la divulgaci\u00f3n de contenido de la memoria mediante mensajes de error en una respuesta del servidor. 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\"."}], "id": "CVE-2019-9748", "lastModified": "2026-06-17T02:44:16.780", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 9.4, "confidentialityImpact": "COMPLETE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 9.2, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-03-13T19:29:00.250", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://bitbucket.org/geekman/tinysvcmdns/issues/10/arbitrary-memory-read-while-parsing"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://bitbucket.org/geekman/tinysvcmdns/issues/10/arbitrary-memory-read-while-parsing"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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