USN-3413-1: BlueZ vulnerability

12 September 2017

bluez vulnerability

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

  • Ubuntu 17.04
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS

Summary

BlueZ could be made to expose sensitive information over bluetooth.

Software Description

  • bluez - Bluetooth tools and daemons

Details

It was discovered that an information disclosure vulnerability existed in the Service Discovery Protocol (SDP) implementation in BlueZ. A physically proximate unauthenticated attacker could use this to disclose sensitive information. (CVE-2017-1000250)

Update instructions

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

Ubuntu 17.04
bluez - 5.43-0ubuntu1.1
libbluetooth3 - 5.43-0ubuntu1.1
Ubuntu 16.04 LTS
bluez - 5.37-0ubuntu5.1
libbluetooth3 - 5.37-0ubuntu5.1
Ubuntu 14.04 LTS
bluez - 4.101-0ubuntu13.3
libbluetooth3 - 4.101-0ubuntu13.3

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References