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CVE-2022-23121

Date: March 28, 2023

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 parse_entries function. The issue results from the lack of proper error handling when parsing AppleDouble entries. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-15819.

Severity Score

Related Resources (10)

https://people.canonical.com/~ubuntu-security/cve/CVE-2022-23121
https://www.zerodayinitiative.com/advisories/ZDI-22-527/
https://lists.debian.org/debian-lts-announce/2023/05/msg00018.html
https://security-tracker.debian.org/tracker/CVE-2022-23121
https://lists.debian.org/debian-lts-announce/2023/06/msg00000.html
https://netatalk.sourceforge.io/3.1/ReleaseNotes3.1.13.html
https://nvd.nist.gov/vuln/detail/CVE-2022-23121
https://www.debian.org/security/2023/dsa-5503
https://security.gentoo.org/glsa/202311-02
https://www.mend.io/vulnerability-database/CVE-2022-23121

Severity Score

Weakness Type (CWE)

Improper Handling of Exceptional Conditions

CWE-755

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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