{"api_version":"1","generated_at":"2026-04-25T03:05:39+00:00","cve":"CVE-2022-43634","urls":{"html":"https://cve.report/CVE-2022-43634","api":"https://cve.report/api/cve/CVE-2022-43634.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-43634","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-43634"},"summary":{"title":"CVE-2022-43634","description":"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.","state":"PUBLIC","assigner":"zdi-disclosures@trendmicro.com","published_at":"2023-03-29 19:15:00","updated_at":"2023-11-07 03:54:00"},"problem_types":["CWE-122"],"metrics":[],"references":[{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SG6WZW5LXFVH3P7ZVZRGHUVJEMEFKQLI/","name":"FEDORA-2023-e714897e70","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 36 Update: netatalk-3.1.14-3.fc36 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GEAFLA5L2SHOUFBAGUXIF2TZLGBXGJKT/","name":"FEDORA-2023-599faf1b1c","refsource":"","tags":[],"title":"[SECURITY] Fedora 38 Update: netatalk-3.1.14-3.fc38 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/Netatalk/Netatalk/pull/186","name":"https://github.com/Netatalk/Netatalk/pull/186","refsource":"MISC","tags":[],"title":"fix CVE-2022-43634 by eh-syn · Pull Request #186 · Netatalk/Netatalk · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EZYWSGVA6WXREMB6PV56HAHKU7R6KPOP/","name":"FEDORA-2023-aaeb45fb73","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 37 Update: netatalk-3.1.14-3.fc37 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZYWSGVA6WXREMB6PV56HAHKU7R6KPOP/","name":"FEDORA-2023-aaeb45fb73","refsource":"","tags":[],"title":"[SECURITY] Fedora 37 Update: netatalk-3.1.14-3.fc37 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GEAFLA5L2SHOUFBAGUXIF2TZLGBXGJKT/","name":"FEDORA-2023-599faf1b1c","refsource":"FEDORA","tags":[],"title":"[SECURITY] Fedora 38 Update: netatalk-3.1.14-3.fc38 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.debian.org/security/2023/dsa-5503","name":"DSA-5503","refsource":"DEBIAN","tags":[],"title":"Debian -- Security Information -- DSA-5503-1 netatalk","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.debian.org/debian-lts-announce/2023/05/msg00018.html","name":"[debian-lts-announce] 20230516 [SECURITY] [DLA 3426-1] netatalk security update","refsource":"MLIST","tags":[],"title":"[SECURITY] [DLA 3426-1] netatalk security update","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SG6WZW5LXFVH3P7ZVZRGHUVJEMEFKQLI/","name":"FEDORA-2023-e714897e70","refsource":"","tags":[],"title":"[SECURITY] Fedora 36 Update: netatalk-3.1.14-3.fc36 - package-announce - Fedora Mailing-Lists","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-23-094/","name":"https://www.zerodayinitiative.com/advisories/ZDI-23-094/","refsource":"MISC","tags":[],"title":"ZDI-23-094 | Zero Day Initiative","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-43634","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-43634","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2022","cve_id":"43634","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"netatalk","cpe5":"netatalk","cpe6":"3.1.13","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"43634","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"netatalk_project","cpe5":"netatalk","cpe6":"3.1.13","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2022-43634","qid":"181789","title":"Debian Security Update for netatalk (DLA 3426-1)"},{"cve":"CVE-2022-43634","qid":"199403","title":"Ubuntu Security Notification for Netatalk Vulnerabilities (USN-6146-1)"},{"cve":"CVE-2022-43634","qid":"283871","title":"Fedora Security Update for netatalk (FEDORA-2023-e714897e70)"},{"cve":"CVE-2022-43634","qid":"283872","title":"Fedora Security Update for netatalk (FEDORA-2023-aaeb45fb73)"},{"cve":"CVE-2022-43634","qid":"284201","title":"Fedora Security Update for netatalk (FEDORA-2023-599faf1b1c)"},{"cve":"CVE-2022-43634","qid":"502991","title":"Alpine Linux Security Update for netatalk"},{"cve":"CVE-2022-43634","qid":"505769","title":"Alpine Linux Security Update for netatalk"},{"cve":"CVE-2022-43634","qid":"6000181","title":"Debian Security Update for netatalk (DSA 5503-1)"},{"cve":"CVE-2022-43634","qid":"753650","title":"SUSE Enterprise Linux Security Update for netatalk (SUSE-SU-2023:0316-1)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"zdi-disclosures@trendmicro.com","ID":"CVE-2022-43634","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Netatalk","version":{"version_data":[{"version_value":"3.1.13"}]}}]},"vendor_name":"Netatalk"}]}},"credit":"Corentin BAYET (@OnlyTheDuck), Etienne HELLUY-LAFONT and Luca MORO (@johncool__) from Synacktiv","data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"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."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-122: Heap-based Buffer Overflow"}]}]},"references":{"reference_data":[{"url":"https://www.zerodayinitiative.com/advisories/ZDI-23-094/","refsource":"MISC","name":"https://www.zerodayinitiative.com/advisories/ZDI-23-094/"},{"url":"https://github.com/Netatalk/Netatalk/pull/186","refsource":"MISC","name":"https://github.com/Netatalk/Netatalk/pull/186"},{"refsource":"FEDORA","name":"FEDORA-2023-aaeb45fb73","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EZYWSGVA6WXREMB6PV56HAHKU7R6KPOP/"},{"refsource":"FEDORA","name":"FEDORA-2023-e714897e70","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SG6WZW5LXFVH3P7ZVZRGHUVJEMEFKQLI/"},{"refsource":"FEDORA","name":"FEDORA-2023-599faf1b1c","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GEAFLA5L2SHOUFBAGUXIF2TZLGBXGJKT/"},{"refsource":"MLIST","name":"[debian-lts-announce] 20230516 [SECURITY] [DLA 3426-1] netatalk security update","url":"https://lists.debian.org/debian-lts-announce/2023/05/msg00018.html"},{"refsource":"DEBIAN","name":"DSA-5503","url":"https://www.debian.org/security/2023/dsa-5503"}]},"impact":{"cvss":{"vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.0"}}},"nvd":{"publishedDate":"2023-03-29 19:15:00","lastModifiedDate":"2023-11-07 03:54:00","problem_types":["CWE-122"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL"},"exploitabilityScore":3.9,"impactScore":5.9}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:netatalk:netatalk:3.1.13:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}