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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:atftp_project:atftp:0.7.1:*:*:*:*:*:*:*", "matchCriteriaId": "EFC2D623-17BA-4A65-AF44-9A2E0B299419", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in atftpd in atftp 0.7.1. It does not lock the thread_list_mutex mutex before assigning the current thread data structure. As a result, the daemon is vulnerable to a denial of service attack due to a NULL pointer dereference. If thread_data is NULL when assigned to current, and modified by another thread before a certain tftpd_list.c check, there is a crash when dereferencing current->next."}, {"lang": "es", "value": "Fue encontrado un problema en atftpd en atftp versi\u00f3n 0.7.1. No bloquea el mutex thread_list_mutex anterior de asignar la estructura de datos del hilo actual. Como resultado, el dominio es vulnerable a un ataque de Denegaci\u00f3n de Servicio (DoS) debido a una desreferencia de puntero NULL. Si thread_data es NULL cuando se asigna a actual, y se modifica por otro hilo anterior de una cierta comprobaci\u00f3n del archivo tftpd_list.c, se produce un bloqueo al eliminar la referencia current->next."}], "id": "CVE-2019-11366", "lastModified": "2024-11-21T04:20:57.680", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-04-20T13:29:00.637", "references": [{"source": "cve@mitre.org", "url": "https://lists.debian.org/debian-lts-announce/2019/05/msg00012.html"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://pulsesecurity.co.nz/advisories/atftpd-multiple-vulnerabilities"}, {"source": "cve@mitre.org", "url": "https://seclists.org/bugtraq/2019/May/16"}, {"source": "cve@mitre.org", "url": "https://security.gentoo.org/glsa/202003-14"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://sourceforge.net/p/atftp/code/ci/382f76a90b44f81fec00e2f609a94def4a5d3580/"}, {"source": "cve@mitre.org", "url": "https://usn.ubuntu.com/4540-1/"}, {"source": "cve@mitre.org", "url": "https://www.debian.org/security/2019/dsa-4438"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2019/05/msg00012.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://pulsesecurity.co.nz/advisories/atftpd-multiple-vulnerabilities"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://seclists.org/bugtraq/2019/May/16"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/202003-14"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://sourceforge.net/p/atftp/code/ci/382f76a90b44f81fec00e2f609a94def4a5d3580/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://usn.ubuntu.com/4540-1/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.debian.org/security/2019/dsa-4438"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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