USN-3413-1: BlueZ vulnerability

Ubuntu Security Notice USN-3413-1

12th 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


BlueZ could be made to expose sensitive information over bluetooth.

Software description

  • bluez - Bluetooth tools and daemons


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 version:

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

To update your system, please follow these instructions:

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