{"id":"CVE-2022-43634","details":"This vulnerability allows remote attackers to execute arbitrary code on affected installations of Netatalk. Authentication is not required to exploit this vulnerability. The specific flaw exists within the dsi_writeinit function. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-17646.","modified":"2026-04-10T04:52:08.539520Z","published":"2023-03-29T19:15:20.273Z","related":["SUSE-SU-2023:0316-1"],"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2023/05/msg00018.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZYWSGVA6WXREMB6PV56HAHKU7R6KPOP/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GEAFLA5L2SHOUFBAGUXIF2TZLGBXGJKT/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SG6WZW5LXFVH3P7ZVZRGHUVJEMEFKQLI/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2023/dsa-5503"},{"type":"ADVISORY","url":"https://www.zerodayinitiative.com/advisories/ZDI-23-094/"},{"type":"FIX","url":"https://github.com/Netatalk/Netatalk/pull/186"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/netatalk/netatalk","events":[{"introduced":"0"},{"last_affected":"8965445d8439dbe1b2821b783ae644da3ef600a1"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"3.1.13"}]}}],"versions":["netatalk-3-1-10","netatalk-3-1-11","netatalk-3-1-12","netatalk-3-1-13","netatalk-3-1-4","netatalk-3-1-5","netatalk-3-1-6","netatalk-3-1-7","netatalk-3-1-8","netatalk-3-1-9"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-43634.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}