CVE-2019-11366

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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."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-09-28T17:06:23.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://pulsesecurity.co.nz/advisories/atftpd-multiple-vulnerabilities"}, {"tags": ["x_refsource_MISC"], "url": "https://sourceforge.net/p/atftp/code/ci/382f76a90b44f81fec00e2f609a94def4a5d3580/"}, {"name": "DSA-4438", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "https://www.debian.org/security/2019/dsa-4438"}, {"name": "20190508 [SECURITY] [DSA 4438-1] atftp security update", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "https://seclists.org/bugtraq/2019/May/16"}, {"name": "[debian-lts-announce] 20190512 [SECURITY] [DLA 1783-1] atftp security update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2019/05/msg00012.html"}, {"name": "GLSA-202003-14", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/202003-14"}, {"name": "USN-4540-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "https://usn.ubuntu.com/4540-1/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2019-11366", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://pulsesecurity.co.nz/advisories/atftpd-multiple-vulnerabilities", "refsource": "MISC", "url": "https://pulsesecurity.co.nz/advisories/atftpd-multiple-vulnerabilities"}, {"name": "https://sourceforge.net/p/atftp/code/ci/382f76a90b44f81fec00e2f609a94def4a5d3580/", "refsource": "MISC", "url": "https://sourceforge.net/p/atftp/code/ci/382f76a90b44f81fec00e2f609a94def4a5d3580/"}, {"name": "DSA-4438", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2019/dsa-4438"}, {"name": "20190508 [SECURITY] [DSA 4438-1] atftp security update", "refsource": "BUGTRAQ", "url": "https://seclists.org/bugtraq/2019/May/16"}, {"name": "[debian-lts-announce] 20190512 [SECURITY] [DLA 1783-1] atftp security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2019/05/msg00012.html"}, {"name": "GLSA-202003-14", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/202003-14"}, {"name": "USN-4540-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4540-1/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T22:48:09.221Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://pulsesecurity.co.nz/advisories/atftpd-multiple-vulnerabilities"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://sourceforge.net/p/atftp/code/ci/382f76a90b44f81fec00e2f609a94def4a5d3580/"}, {"name": "DSA-4438", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "https://www.debian.org/security/2019/dsa-4438"}, {"name": "20190508 [SECURITY] [DSA 4438-1] atftp security update", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "https://seclists.org/bugtraq/2019/May/16"}, {"name": "[debian-lts-announce] 20190512 [SECURITY] [DLA 1783-1] atftp security update", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2019/05/msg00012.html"}, {"name": "GLSA-202003-14", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "https://security.gentoo.org/glsa/202003-14"}, {"name": "USN-4540-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "https://usn.ubuntu.com/4540-1/"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2019-11366", "datePublished": "2019-04-20T12:58:09.000Z", "dateReserved": "2019-04-20T00:00:00.000Z", "dateUpdated": "2024-08-04T22:48:09.221Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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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:atftp_project:atftp:0.7.1:*:*:*:*:*:*:*", "matchCriteriaId": "EFC2D623-17BA-4A65-AF44-9A2E0B299419", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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": "2026-06-17T02:12:47.383", "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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