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Vulnerability · Published Mar 28, 2023 · Assigned by zdi

CVE-2022-23121

Critical 9.8

In plain English

A critical-severity security flaw in Netatalk from Netatalk. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 8.5% (higher than 95% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.0)9.8Critical
Exploit odds (30 days)8.5%top 4.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20netatalk3.1.13-r0ALPINE-CVE-2022-23121
Alpine:v3.21netatalk3.1.13-r0ALPINE-CVE-2022-23121
Alpine:v3.22netatalk3.1.13-r0ALPINE-CVE-2022-23121
Alpine:v3.23netatalk3.1.13-r0ALPINE-CVE-2022-23121
Alpine:v3.24netatalk3.1.13-r0ALPINE-CVE-2022-23121
Debian:13netatalk3.1.13~ds-1DEBIAN-CVE-2022-23121
Debian:14netatalk3.1.13~ds-1DEBIAN-CVE-2022-23121
Ubuntu:22.04:LTSnetatalk3.1.12~ds-9ubuntu0.22.04.1UBUNTU-CVE-2022-23121
Ubuntu:22.04:LTSnetatalk3.1.12~ds-9ubuntu0.22.04.1USN-6146-1

Affected products (as reported)

VendorProductVersions
Netatalk Netatalk 3.1.12

Weakness: CWE-755 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References