CVE-2023-27349
bluez - security update
Description
BlueZ Audio Profile AVRCP Improper Validation of Array Index Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code via Bluetooth on affected installations of BlueZ. User interaction is required to exploit this vulnerability in that the target must connect to a malicious device. The specific flaw exists within the handling of the AVRCP protocol. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-19908.
How to fix CVE-2023-27349
To remediate CVE-2023-27349, upgrade the affected package to a fixed version below.
- —upgrade to 5.55-3.1+deb11u2 or later
- —upgrade to 5.50-1.2~deb10u5 or later
Is CVE-2023-27349 being exploited?
Low — EPSS is 3.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 5.55-3.1+deb11u2
- from 0, < 5.50-1.2~deb10u5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.0 | CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |