CWE
121 787
Advisory Published
Updated
Advisory Published

CVE-2022-0194: (Pwn2Own) Netatalk ad_addcomment Stack-based Buffer Overflow Remote Code Execution Vulnerability

First published: Tue Mar 28 2023(Updated: )

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.

Credit: zdi-disclosures@trendmicro.com zdi-disclosures@trendmicro.com

Affected SoftwareAffected VersionHow to fix
debian/netatalk<=3.1.12~ds-3
3.1.12~ds-3+deb10u4
3.1.12~ds-8+deb11u1
3.1.18~ds-1
Netatalk Netatalk<3.1.13
Debian Debian Linux=10.0
Debian Debian Linux=11.0

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Frequently Asked Questions

  • What is CVE-2022-0194?

    CVE-2022-0194 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Netatalk.

  • Is authentication required to exploit CVE-2022-0194?

    No, authentication is not required to exploit CVE-2022-0194.

  • What is the severity of CVE-2022-0194?

    CVE-2022-0194 has a severity rating of 9.8 (Critical).

  • How can I fix CVE-2022-0194?

    To fix CVE-2022-0194, it is recommended to update to Netatalk version 3.1.13 or later.

  • Where can I find more information about CVE-2022-0194?

    You can find more information about CVE-2022-0194 at the following references: [Link 1](https://lists.debian.org/debian-lts-announce/2023/05/msg00018.html), [Link 2](https://netatalk.sourceforge.io/3.1/ReleaseNotes3.1.13.html), [Link 3](https://www.debian.org/security/2023/dsa-5503).

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