USN-6540-1: BlueZ vulnerability

Published Dec 7, 2023
·
Updated

It was discovered that BlueZ did not properly restrict non-bonded devices from injecting HID events into the input subsystem. This could allow a physically proximate attacker to inject keystrokes and execute arbitrary commands whilst the device is discoverable.

Affected Software

24 affected componentsFixes available
All of the following
ubuntu/bluez<5.68-0ubuntu1.1
5.68-0ubuntu1.1
Ubuntu Ubuntu=23.10
All of the following
ubuntu/libbluetooth3<5.68-0ubuntu1.1
5.68-0ubuntu1.1
Ubuntu Ubuntu=23.10
All of the following
ubuntu/bluez<5.66-0ubuntu1.1
5.66-0ubuntu1.1
Ubuntu Ubuntu=23.04
All of the following
ubuntu/libbluetooth3<5.66-0ubuntu1.1
5.66-0ubuntu1.1
Ubuntu Ubuntu=23.04
All of the following
ubuntu/bluez<5.64-0ubuntu1.1
5.64-0ubuntu1.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/libbluetooth3<5.64-0ubuntu1.1
5.64-0ubuntu1.1
Ubuntu Ubuntu=22.04
All of the following
ubuntu/bluez<5.53-0ubuntu3.7
5.53-0ubuntu3.7
Ubuntu Ubuntu=20.04
All of the following
ubuntu/libbluetooth3<5.53-0ubuntu3.7
5.53-0ubuntu3.7
Ubuntu Ubuntu=20.04
All of the following
ubuntu/bluez<5.48-0ubuntu3.9+esm1
5.48-0ubuntu3.9+esm1
Ubuntu Ubuntu=18.04
All of the following
ubuntu/libbluetooth3<5.48-0ubuntu3.9+esm1
5.48-0ubuntu3.9+esm1
Ubuntu Ubuntu=18.04
All of the following
ubuntu/bluez<5.37-0ubuntu5.3+esm3
5.37-0ubuntu5.3+esm3
Ubuntu Ubuntu=16.04
All of the following
ubuntu/libbluetooth3<5.37-0ubuntu5.3+esm3
5.37-0ubuntu5.3+esm3
Ubuntu Ubuntu=16.04

Event History

Dec 7, 2023
Advisory Published
via Ubuntu·12:00 AM
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Frequently Asked Questions

1

What is the vulnerability ID for this BlueZ vulnerability?

The vulnerability ID for this BlueZ vulnerability is USN-6540-1.

2

What is the impact of this vulnerability?

This vulnerability could allow a physically proximate attacker to inject keystrokes and execute arbitrary commands.

3

Which software versions are affected by this vulnerability?

The affected software versions are BlueZ 5.68-0ubuntu1.1, BlueZ 5.66-0ubuntu1.1, BlueZ 5.64-0ubuntu1.1, BlueZ 5.53-0ubuntu3.7, BlueZ 5.48-0ubuntu3.9+esm1, and BlueZ 5.37-0ubuntu5.3+esm3.

4

How can I fix this BlueZ vulnerability?

To fix this vulnerability, update BlueZ to version 5.68-0ubuntu1.1 or later.

5

Where can I find more information about this vulnerability?

You can find more information about this vulnerability on the Ubuntu security website and the referenced Launchpad pages.

Contact

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