ZDI-23-1812: BlueZ Phone Book Access Profile Heap-based Buffer Overflow Remote Code Execution Vulnerability

First published: Wed Dec 20 2023(Updated: )

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of BlueZ. User interaction is required to exploit this vulnerability in that the target must connect to a malicious Bluetooth device. The specific flaw exists within the handling of the Phone Book Access profile. 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 vulnerability to execute code in the context of root.

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