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Fencer Intel
critical 9.8

CVE-2022-0194 json

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Netatalk.

published 3y ago modified 4mo ago also EUVD-2022-15398

cvss
9.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
4.4%
EPSS 4.4% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

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 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.

Patch / fix

  • netatalk netatalk 3.1.13
  • netatalk Debian 14, Debian 13 3.1.13~ds-1

debian advisories DEBIAN-CVE-2022-0194

  • netatalk Ubuntu 20.04 LTS 3.1.12~ds-4ubuntu0.20.04.1
  • netatalk Ubuntu 22.04 LTS 3.1.12~ds-9ubuntu0.22.04.1

ubuntu advisories UBUNTU-CVE-2022-0194

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • netatalk Alpine 3.24, Alpine 3.23, Alpine 3.22 +6 more 3.1.13-r0

alpine advisories ALPINE-CVE-2022-0194

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Is CVE-2022-0194 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

4.41% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Netatalk Netatalk

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.