Ubuntu 4321-1: HAProxy vulnerability

    Date 07 Apr 2020
    185
    Posted By LinuxSecurity Advisories
    HAProxy could be made to execute arbitrary code if it received a specially crafted HTTP/2 request.
    ==========================================================================
    Ubuntu Security Notice USN-4321-1
    April 07, 2020
    
    haproxy vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 19.10
    - Ubuntu 18.04 LTS
    
    Summary:
    
    HAProxy could be made to execute arbitrary code if it received a specially crafted HTTP/2 request.
    
    Software Description:
    - haproxy: fast and reliable load balancing reverse proxy
    
    Details:
    
    Felix Wilhelm discovered that HAProxy incorrectly handled certain HTTP/2 requests.
    An attacker could possibly use this to execute arbitrary code.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 19.10:
      haproxy                         2.0.5-1ubuntu0.4
    
    Ubuntu 18.04 LTS:
      haproxy                         1.8.8-1ubuntu0.10
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4321-1
      CVE-2020-11100
    
    Package Information:
      https://launchpad.net/ubuntu/+source/haproxy/2.0.5-1ubuntu0.4
      https://launchpad.net/ubuntu/+source/haproxy/1.8.8-1ubuntu0.10
    

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