Vulnerability identifier: #VU84667

Vulnerability risk: Medium

CVSSv3.1: 6.2 [CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-51596

CWE-ID: CWE-122

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
BlueZ
Universal components / Libraries / Libraries used by multiple products

Vendor: BlueZ Project

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when handling the Phone Book Access profile. A remote attacker can trick the victim into connection to a malicious Bluetooth device, trigger a heap-based buffer overflow and execute arbitrary code on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

BlueZ: 4.0 - 5.70

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External links
http://www.zerodayinitiative.com/advisories/ZDI-23-1902/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.