Vulnerability identifier: #VU64523

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-39177

CWE-ID: CWE-20

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.

The vulnerability exists due to insufficient validation of user-supplied input when handling the A2DP profile in profiles/audio/avdtp.c. A remote attacker can pass specially crafted data to the system and execute arbitrary code.

Mitigation
Install update from vendor's website.

Vulnerable software versions

BlueZ: 5.40 - 5.58

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External links
http://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1977968

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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.