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zdiLucas Leong (@_wmliang_) of Trend Micro Zero Day InitiativeZDI-23-1903
HistoryDec 21, 2023 - 12:00 a.m.

(0Day) BlueZ Audio Profile AVRCP avrcp_parse_attribute_list Out-Of-Bounds Read Information Disclosure Vulnerability

2023-12-2100:00:00
Lucas Leong (@_wmliang_) of Trend Micro Zero Day Initiative
www.zerodayinitiative.com
8
(network-adjacent
bluetooth
user interaction
avrcp protocol
validation
allocated buffer
arbitrary code
root context)

6.5 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

29.0%

This vulnerability allows network-adjacent attackers to disclose sensitive information 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 read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root.

6.5 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

29.0%