[USN-7222-1] BlueZ vulnerabilities

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Ubuntu Security Notice USN-7222-1
January 22, 2025

bluez vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

BlueZ could be made to run programs as an administrator if it connected to
a malicious Bluetooth device.

Software Description:
- bluez: Bluetooth tools and daemons

Details:

Lucas Leong discovered that BlueZ incorrectly handled the Phone Book Access
profile. If a user were tricked into connecting to a malicious Bluetooth
device, a remote attacker could possibly use this issue to execute
arbitrary code.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.04 LTS
bluez 5.64-0ubuntu1.4
libbluetooth3 5.64-0ubuntu1.4

Ubuntu 20.04 LTS
bluez 5.53-0ubuntu3.9
libbluetooth3 5.53-0ubuntu3.9

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-7222-1
CVE-2023-50229, CVE-2023-50230

Package Information:
https://launchpad.net/ubuntu/+source/bluez/5.64-0ubuntu1.4
https://launchpad.net/ubuntu/+source/bluez/5.53-0ubuntu3.9