Linux Security
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    Ubuntu 4572-2: Spice vulnerability

    Date 07 Oct 2020
    138
    Posted By LinuxSecurity Advisories
    Spice could be made to crash or run programs if it received specially crafted network traffic.
    ==========================================================================
    Ubuntu Security Notice USN-4572-2
    October 07, 2020
    
    spice vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 14.04 ESM
    
    Summary:
    
    Spice could be made to crash or run programs if it received specially
    crafted network traffic.
    
    Software Description:
    - spice: SPICE protocol client and server library
    
    Details:
    
    USN-4572-1 fixed a vulnerability in Spice. This update provides
    the corresponding update for Ubuntu 14.04 ESM.
    
    Original advisory details:
    
     Frediano Ziglio discovered that Spice incorrectly handled QUIC image
     decoding. A remote attacker could use this to cause Spice to crash,
     resulting in a denial of service, or possibly execute arbitrary code.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 14.04 ESM:
      libspice-server1                0.12.4-0nocelt2ubuntu1.8+esm1
    
    After a standard system update you need to restart qemu guests to make all
    the necessary changes.
    
    References:
      https://usn.ubuntu.com/4572-2
      https://usn.ubuntu.com/4572-1
      CVE-2020-14355
    

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