Ubuntu 3413-1: BlueZ vulnerability

    Date12 Sep 2017
    68
    Posted ByLinuxSecurity Advisories
    BlueZ could be made to expose sensitive information over bluetooth.
    ==========================================================================
    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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