Ubuntu 3995-1: Keepalived vulnerability

    Date28 May 2019
    55
    Posted ByLinuxSecurity Advisories
    Keepalived could be made to crash or run programs if it received specially crafted network traffic.
    ==========================================================================
    Ubuntu Security Notice USN-3995-1
    May 28, 2019
    
    keepalived vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 18.10
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    
    Summary:
    
    Keepalived could be made to crash or run programs if it received
    specially crafted network traffic.
    
    Software Description:
    - keepalived: Failover and monitoring daemon for LVS clusters
    
    Details:
    
    It was discovered that Keepalived incorrectly handled certain HTTP status
    response codes. A remote attacker could use this issue to cause Keepalived
    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 18.10:
      keepalived                      1:1.3.9-1ubuntu1.1
    
    Ubuntu 18.04 LTS:
      keepalived                      1:1.3.9-1ubuntu0.18.04.2
    
    Ubuntu 16.04 LTS:
      keepalived                      1:1.2.24-1ubuntu0.16.04.2
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/usn/usn-3995-1
      CVE-2018-19115
    
    Package Information:
      https://launchpad.net/ubuntu/+source/keepalived/1:1.3.9-1ubuntu1.1
      https://launchpad.net/ubuntu/+source/keepalived/1:1.3.9-1ubuntu0.18.04.2
      https://launchpad.net/ubuntu/+source/keepalived/1:1.2.24-1ubuntu0.16.04.2
    
    

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