CWE
121 787
Advisory Published
Updated
Advisory Published

CVE-2022-23122: (Pwn2Own) Netatalk setfilparams 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 setfilparams 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
Netatalk Netatalk<3.1.13
Debian Debian Linux=10.0
Debian Debian Linux=11.0
debian/netatalk<=3.1.12~ds-3
3.1.12~ds-3+deb10u4
3.1.12~ds-8+deb11u1
3.1.18~ds-1

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Frequently Asked Questions

  • What is CVE-2022-23122?

    CVE-2022-23122 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Netatalk.

  • How severe is CVE-2022-23122?

    CVE-2022-23122 has a severity rating of 9.8, which is classified as critical.

  • Is authentication required to exploit CVE-2022-23122?

    No, authentication is not required to exploit CVE-2022-23122.

  • Which software versions are affected by CVE-2022-23122?

    Netatalk versions up to and excluding 3.1.13 are affected by CVE-2022-23122.

  • How can I fix CVE-2022-23122?

    To fix CVE-2022-23122, it is recommended to update Netatalk to version 3.1.13 or later.

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