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zdiMichael Randrianantenaina (https://elkamika.blogspot.com/)ZDI-23-386
HistoryApr 12, 2023 - 12:00 a.m.

BlueZ Audio Profile AVRCP Improper Validation of Array Index Remote Code Execution Vulnerability

2023-04-1200:00:00
Michael Randrianantenaina (https://elkamika.blogspot.com/)
www.zerodayinitiative.com
15
bluetooth
network-adjacent
user interaction
malicious device
avrcp protocol
validation
user-supplied data
allocated buffer
root context

0.001 Low

EPSS

Percentile

20.8%

This vulnerability allows network-adjacent attackers to execute arbitrary code via Bluetooth on affected installations of BlueZ. User interaction is required to exploit this vulnerability in that the target must connect to a malicious device. The specific flaw exists within the handling of the AVRCP protocol. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of root.