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Vulnerability · Published Mar 28, 2023 · Assigned by zdi

CVE-2022-0194

Critical 9.8

In plain English

A critical-severity stack buffer overflow 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 4.4% (higher than 91% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.0)9.8Critical
Exploit odds (30 days)4.4%top 8.6% 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 ad_addcomment 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 stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15876.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20netatalk3.1.13-r0ALPINE-CVE-2022-0194
Alpine:v3.21netatalk3.1.13-r0ALPINE-CVE-2022-0194
Alpine:v3.22netatalk3.1.13-r0ALPINE-CVE-2022-0194
Alpine:v3.23netatalk3.1.13-r0ALPINE-CVE-2022-0194
Alpine:v3.24netatalk3.1.13-r0ALPINE-CVE-2022-0194
Debian:13netatalk3.1.13~ds-1DEBIAN-CVE-2022-0194
Debian:14netatalk3.1.13~ds-1DEBIAN-CVE-2022-0194
Ubuntu:22.04:LTSnetatalk3.1.12~ds-9ubuntu0.22.04.1UBUNTU-CVE-2022-0194
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-121 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References