---
cve: "CVE-2022-23121"
severity: "CRITICAL"
cvss: 9.8
epss: "8.6%"
vendor: "Netatalk"
kev: false
exploited: false
published: "2023-03-28 00:00:00"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-20T00:02:57+02:00"
---

# CVE-2022-23121

> 9.8 CRITICAL

## Beschreibung

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.

## CVSS-Vektor

```
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Patch verfügbar (OSV)

- 8965445d8439dbe1b2821b783ae644da3ef600a1 (Commit)

## Referenzen

- <https://netatalk.sourceforge.io/3.1/ReleaseNotes3.1.13.html>
- <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>
- <https://www.debian.org/security/2023/dsa-5503>
- <https://security.gentoo.org/glsa/202311-02>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2022-23121) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_