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    Ubuntu 4506-1: MCabber vulnerability

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    MCabber could be made to modify the roster and intercept messages if it received specially crafted XMPP packets.
    ==========================================================================
    Ubuntu Security Notice USN-4506-1
    September 16, 2020
    
    mcabber vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 16.04 LTS
    
    Summary:
    
    MCabber could be made to modify the roster and intercept messages if it
    received specially crafted XMPP packets.
    
    Software Description:
    - mcabber: small Jabber (XMPP) console client
    
    Details:
    
    It was discovered that MCabber does not properly manage roster pushes. An
    attacker could possibly use this issue to remotely perform
    man-in-the-middle attacks. (CVE-2016-9928).
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 16.04 LTS:
      mcabber                         0.10.2-1+deb8u1build0.16.04.1
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4506-1
      CVE-2016-9928
    
    Package Information:
      https://launchpad.net/ubuntu/+source/mcabber/0.10.2-1+deb8u1build0.16.04.1
    
    

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