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Ubuntu Security Notice USN-3413-1
September 12, 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

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

References:
https://www.ubuntu.com/usn/usn-3413-1
CVE-2017-1000250

Package Information:
https://launchpad.net/ubuntu/+source/bluez/5.43-0ubuntu1.1
https://launchpad.net/ubuntu/+source/bluez/5.37-0ubuntu5.1
https://launchpad.net/ubuntu/+source/bluez/4.101-0ubuntu13.3

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