netatalk: A Type Confusion vulnerability was found in the Spotlight RPC functions in afpd in Netatalk 3.1.x before 3.1.17
CVE-2023-42464 is fixed in netatalk on 1 platform, first by netatalk 3.1.12~ds-4ubuntu0.20.04.3, released September 16, 2023. It is not reported as exploited. Patch Radar priority: High.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| netatalk · Debian 13.5 (trixie) | 3.1.17~ds-1 | DEBIAN-CVE-2023-42464 | Sep 20, 2023 |
| netatalk · Debian 14 | 3.1.17~ds-1 | DEBIAN-CVE-2023-42464 | Sep 20, 2023 |
| netatalk · Ubuntu 20.04 LTS (focal) | 3.1.12~ds-4ubuntu0.20.04.3 | netatalk 3.1.12~ds-4ubuntu0.20.04.3 | Sep 16, 2023 |
| netatalk · Ubuntu 22.04.1 LTS (jammy) | 3.1.12~ds-9ubuntu0.22.04.3 | netatalk 3.1.12~ds-9ubuntu0.22.04.3 | Sep 16, 2023 |
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