ZDI-CAN-20852: ZDI-23-1903: (0Day) BlueZ Audio Profile AVRCP avrcp_parse_attribute_list Out-Of-Bounds Read Information Disclosure Vulnerability
First published: Thu Dec 21 2023(Updated: )
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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| SUSE BlueZ |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-20852?
The severity of ZDI-CAN-20852 is considered to be critical due to the potential for sensitive information disclosure.
How do I fix ZDI-CAN-20852?
To fix ZDI-CAN-20852, update to the latest version of BlueZ that addresses this vulnerability.
Who is affected by ZDI-CAN-20852?
ZDI-CAN-20852 affects installations of BlueZ with exposed Bluetooth functionality.
What kind of attacks can ZDI-CAN-20852 enable?
ZDI-CAN-20852 can enable network-adjacent attackers to exploit the vulnerability to disclose sensitive information.
Is user interaction required to exploit ZDI-CAN-20852?
Yes, user interaction is required as the target must connect to a malicious Bluetooth device.
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