CVE-2023-51594 BlueZ OBEX Library Out-Of-Bounds Read Information Disclosure Vulnerability

Low 2.6 Published Updated

Network-adjacent attackers can disclose sensitive information via a Bluetooth connection due to an out-of-bounds read in the BlueZ OBEX library.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2023-51594?

CVE-2023-51594 is a low-severity vulnerability in BlueZ, published on 3 May 2024. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

BlueZ OBEX Library Out-Of-Bounds Read Information Disclosure Vulnerability. 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. Was ZDI-CAN-20937.

Weakness: CWE-125

Which versions are affected by CVE-2023-51594?

It affects 1 product.

Products include Bluez Bluez.

How do I fix CVE-2023-51594?

Apply the vendor's patch.

Is CVE-2023-51594 being exploited?

There is no known exploitation of CVE-2023-51594 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2023-51594, GHSA-jh7h-h9f3-3339, ROOT-OS-DEBIAN-11-CVE-2023-51594, ROOT-OS-DEBIAN-12-CVE-2023-51594, ROOT-OS-DEBIAN-13-CVE-2023-51594, UBUNTU-CVE-2023-51594.

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