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CVE-2023-42464

Publication date 16 September 2023

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
netatalk 24.10 oracular
Not affected
24.04 LTS noble
Vulnerable
23.10 mantic Ignored end of life, was needed
23.04 lunar
Fixed 3.1.14~ds-1ubuntu0.1
22.04 LTS jammy
Fixed 3.1.12~ds-9ubuntu0.22.04.3
20.04 LTS focal
Fixed 3.1.12~ds-4ubuntu0.20.04.3
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

Notes

sbeattie

2.x versions and older do not support the spotlight protocol, support introduced in 3.1.0 code affected shares origin with samba's mdssvc.c; this issue is the netatalk version of the samba CVE-2023-34967

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
netatalk

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H