Etienne Helluy-Lafont

This issue allows remote attackers to execute arbitrary code on affected installations of Netatalk. Authentication is not required to exploit this issue. The specific flaw exists within the `dsi writeinit` function. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this issue to execute code in the context of root.

The combination of primitives offered by SMB and AFP in their default configuration allows the arbitrary writing of files. By exploiting this combination of primitives, an attacker can execute arbitrary code.