ZDI-23-1901: (0Day) BlueZ OBEX Library Out-Of-Bounds Read Information Disclosure Vulnerability
First published: Thu Dec 21 2023(Updated: )
This vulnerability allows network-adjacent attackers to disclose sensitive information 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 OBEX protocol parameters. 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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| SUSE BlueZ |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-23-1901?
The severity of ZDI-23-1901 is considered medium due to the requirement of user interaction for exploitation.
How do I fix ZDI-23-1901?
To fix ZDI-23-1901, update to the latest version of BlueZ that addresses this vulnerability.
Who is affected by ZDI-23-1901?
ZDI-23-1901 affects installations of BlueZ that allow connections to malicious Bluetooth devices.
What is the impact of ZDI-23-1901?
The impact of ZDI-23-1901 is the potential disclosure of sensitive information to network-adjacent attackers.
Is user interaction required to exploit ZDI-23-1901?
Yes, user interaction is required to exploit ZDI-23-1901, as the target must connect to a malicious Bluetooth device.
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- alias/ZDI-CAN-20937
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- alias/ZDI-23-1901
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- canonical/suse bluez