ZDI-23-1902: (0Day) BlueZ Phone Book Access Profile Heap-based Buffer Overflow Remote Code Execution Vulnerability
First published: Thu Dec 21 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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| BlueZ |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-23-1902?
The severity of ZDI-23-1902 is critical due to the ability for network-adjacent attackers to execute arbitrary code.
How do I fix ZDI-23-1902?
To fix ZDI-23-1902, update your BlueZ installation to the latest version specified by the vendor.
Who is affected by ZDI-23-1902?
ZDI-23-1902 affects installations of BlueZ that are configured to connect to Bluetooth devices.
Is user interaction required to exploit ZDI-23-1902?
Yes, user interaction is required as the target must connect to a malicious Bluetooth device.
What kind of attacks can ZDI-23-1902 enable?
ZDI-23-1902 can enable arbitrary code execution by an attacker in proximity.
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- alias/ZDI-CAN-20939
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