ZDI-CAN-20937: 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 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-20937?
The severity of ZDI-CAN-20937 is characterized as moderate due to the potential for sensitive information disclosure if exploited.
How do I fix ZDI-CAN-20937?
To fix ZDI-CAN-20937, ensure that you update your BlueZ installation to the latest version provided by the vendor.
Who is affected by ZDI-CAN-20937?
ZDI-CAN-20937 affects installations of BlueZ that allow user interaction with malicious Bluetooth devices.
What type of attacker can exploit ZDI-CAN-20937?
Network-adjacent attackers can exploit ZDI-CAN-20937, requiring physical proximity to the target device.
What kind of information can be disclosed by ZDI-CAN-20937?
ZDI-CAN-20937 can potentially lead to the disclosure of sensitive information from the affected BlueZ installations.
- collector/zdi-published
- alias/ZDI-CAN-20937
- agent/last-modified-date
- agent/first-publish-date
- agent/severity
- agent/references
- agent/title
- agent/description
- agent/source
- agent/type
- agent/softwarecombine
- agent/tags
- agent/event
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-23-1901
- alias/CVE-2023-51594
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/bluez
- canonical/suse bluez