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Ubuntu 22.04 LTS: 7222-1 critical: bluez arbitrary code from Bluetooth

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Calendar Grey January 22, 2025
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Uncover vital enhancements for BlueZ in Ubuntu versions 22.04 and 20.04 that counteract vulnerabilities posed by harmful Bluetooth gadgets.
BlueZ could be made to run programs as an administrator if it connected to a malicious Bluetooth device.

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.

Topics%20covered

Topics Covered

security advisory Ubuntu arbitrary code program execution Bluetooth bluez

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

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7222-1

Topics%20covered

Topics Covered

security advisory Ubuntu arbitrary code program execution Bluetooth bluez

Package Information

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

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