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Vulnerability record · CVE-2022-23123 · published 28 March 2023

CVE-2022-23123: Netatalk out-of-bounds read vulnerability

Netatalk · Netatalk

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Netatalk. Authentication is not required to exploit this vulnerability. The specific flaw exists within the getdirparams method. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-15830.

9.8 CVSS 3.1 Critical EPSS 3.8% · top 10.3% CWE-125 · Out-of-bounds read
9.8CVSS 3.1 base score
3.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
13References
17 Jun 2026Last modified by NVD

Description

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Netatalk. Authentication is not required to exploit this vulnerability. The specific flaw exists within the getdirparams method. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-15830.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://lists.debian.org/debian-lts-announce/2023/05/msg00018.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/08/msg00016.html Mailing ListThird Party Advisory
https://netatalk.sourceforge.io/3.1/ReleaseNotes3.1.13.html Release Notes
https://security.gentoo.org/glsa/202311-02 Issue TrackingThird Party Advisory
https://www.debian.org/security/2023/dsa-5503 Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-528/ Third Party AdvisoryVDB Entry
https://lists.debian.org/debian-lts-announce/2023/05/msg00018.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/08/msg00016.html Mailing ListThird Party Advisory
https://netatalk.sourceforge.io/3.1/ReleaseNotes3.1.13.html Release Notes
https://security.gentoo.org/glsa/202311-02 Issue TrackingThird Party Advisory
https://www.debian.org/security/2023/dsa-5503 Third Party Advisory
https://www.kb.cert.org/vuls/id/709991
https://www.zerodayinitiative.com/advisories/ZDI-22-528/ Third Party AdvisoryVDB Entry

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Source: NIST National Vulnerability Database (record CVE-2022-23123), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.