Security advisory
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 parse_entries function. The issue results from the lack of proper error handling when parsing AppleDouble entries. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15819.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2022-23121
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 16:04 UTC · Revision 1
Source evidence
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 parse_entries function. The issue results from the lack of proper error handling when parsing AppleDouble entries. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15819.
osv:CVE-2022-23121
Complete source record
{
"id": "58b96bbba6f4ac0603aa1af25895a0c34bef9bd4d65a565b2db1c2a965279600",
"url": "https://osv.dev/vulnerability/CVE-2022-23121",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2022-23121",
"summary": "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 parse_entries function. The issue results from the lack of proper error handling when parsing AppleDouble entries. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15819.",
"evidence": "osv:CVE-2022-23121",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2022-23121",
"aliases": [
"CVE-2022-23121"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/netatalk/netatalk",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "8965445d8439dbe1b2821b783ae644da3ef600a1"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:netatalk:netatalk:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "3.1.13"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"netatalk-3-1-12",
"netatalk-3-1-11",
"netatalk-3-1-10",
"netatalk-3-1-9",
"netatalk-3-1-8",
"netatalk-3-1-7",
"netatalk-3-1-6",
"netatalk-3-1-5",
"netatalk-3-1-4"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-23121.json"
}
}
],
"modified": "2026-10-28T02:30:37.190512284Z",
"provider": "osv",
"references": [
"https://netatalk.sourceforge.io/3.1/ReleaseNotes3.1.13.html",
"https://www.kb.cert.org/vuls/id/709991",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/23xxx/CVE-2022-23121.json",
"https://nvd.nist.gov/vuln/detail/CVE-2022-23121",
"https://security.gentoo.org/glsa/202311-02",
"https://www.debian.org/security/2023/dsa-5503",
"https://www.zerodayinitiative.com/advisories/ZDI-22-527/",
"https://lists.debian.org/debian-lts-announce/2023/05/msg00018.html",
"https://lists.debian.org/debian-lts-announce/2023/06/msg00000.html"
],
"provider_metadata": {
"cwe_ids": [
"CWE-755"
],
"cna_assigner": "zdi",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"introduced": "3.1.12"
},
{
"last_affected": "3.1.12"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/23xxx/CVE-2022-23121.json"
}
},
"related_cves": [
{
"value": "CVE-2022-23121",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 504483,
"published_at": "2023-03-28T00:00:00+00:00"
}