{
    "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"
        }
    }
}