Ubuntu 2746-2: Simple Streams regression

    Date25 Sep 2015
    65
    Posted ByLinuxSecurity Advisories
    USN-2746-1 introduced a regression in Simple Streams.
    ==========================================================================
    Ubuntu Security Notice USN-2746-2
    September 25, 2015
    
    simplestreams regression
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 15.04
    - Ubuntu 14.04 LTS
    
    Summary:
    
    USN-2746-1 introduced a regression in Simple Streams.
    
    Software Description:
    - simplestreams: Library and tools for using Simple Streams data
    
    Details:
    
    USN-2746-1 fixed a vulnerability in Simple Streams. The update caused a
    regression preventing MAAS from downloading PXE images. This update fixes
    the problem.
    
    We apologize for the inconvenience.
    
    Original advisory details:
    
     It was discovered that Simple Streams did not properly perform gpg
     verification in some situations. A remote attacker could use this to
     perform a man-in-the-middle attack and inject malicious content into
     the stream.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 15.04:
      python-simplestreams            0.1.0~bzr354-0ubuntu1.15.04.2
      python-simplestreams-openstack  0.1.0~bzr354-0ubuntu1.15.04.2
      python3-simplestreams           0.1.0~bzr354-0ubuntu1.15.04.2
      simplestreams                   0.1.0~bzr354-0ubuntu1.15.04.2
    
    Ubuntu 14.04 LTS:
      python-simplestreams            0.1.0~bzr341-0ubuntu2.3
      python-simplestreams-openstack  0.1.0~bzr341-0ubuntu2.3
      python3-simplestreams           0.1.0~bzr341-0ubuntu2.3
      simplestreams                   0.1.0~bzr341-0ubuntu2.3
    
    After a standard system update you need to restart any services that
    make use of python-simplestreams or python3-simplestreams to make
    all the necessary changes.
    
    References:
      https://www.ubuntu.com/usn/usn-2746-2
      https://www.ubuntu.com/usn/usn-2746-1
      https://launchpad.net/bugs/1499749
    
    Package Information:
      https://launchpad.net/ubuntu/+source/simplestreams/0.1.0~bzr354-0ubuntu1.15.04.2
      https://launchpad.net/ubuntu/+source/simplestreams/0.1.0~bzr341-0ubuntu2.3
    
    
    

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