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Access of Resource Using Incompatible Type ('Type Confusion') The advisory has been revoked - it doesn't affect any version of package netatalk  (opens in a new tab)

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EPSS
2.1% (81st percentile)

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  • Snyk IDSNYK-UBUNTU2310-NETATALK-5972419
  • published18 Sept 2023
  • disclosed20 Sept 2023
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Introduced: 18 Sep 2023

CVE-2023-42464  (opens in a new tab)
CWE-843  (opens in a new tab)

Amendment

The Ubuntu security team deemed this advisory irrelevant for Ubuntu:23.10.

NVD Description

Note: Versions mentioned in the description apply only to the upstream netatalk package and not the netatalk package as distributed by Ubuntu.

A Type Confusion vulnerability was found in the Spotlight RPC functions in afpd in Netatalk 3.1.x before 3.1.17. When parsing Spotlight RPC packets, one encoded data structure is a key-value style dictionary where the keys are character strings, and the values can be any of the supported types in the underlying protocol. Due to a lack of type checking in callers of the dalloc_value_for_key() function, which returns the object associated with a key, a malicious actor may be able to fully control the value of the pointer and theoretically achieve Remote Code Execution on the host. This issue is similar to CVE-2023-34967.