#VU84666 Out-of-bounds read in BlueZ - CVE-2023-51580

Vulnerability identifier: #VU84666

Vulnerability risk: Low

CVSSv4.0: 0.4 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-51580

CWE-ID: CWE-125

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 gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when handling AVRCP protocol within the avrcp_parse_attribute_list() function. A remote attacker can trick the victim into connecting to a malicious device, trigger an out-of-bounds read and gain access to sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

BlueZ: 4.0 - 5.70

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External links
https://www.zerodayinitiative.com/advisories/ZDI-23-1903/

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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.