Ubuntu 3783-1: Apache HTTP Server vulnerabilities

    Date03 Oct 2018
    CategoryUbuntu
    3047
    Posted ByAnthony Pell
    Several security issues were fixed in the Apache HTTP Server.
    ==========================================================================
    Ubuntu Security Notice USN-3783-1
    October 03, 2018
    
    apache2 vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 18.04 LTS
    
    Summary:
    
    Several security issues were fixed in the Apache HTTP Server.
    
    Software Description:
    - apache2: Apache HTTP server
    
    Details:
    
    Robert Swiecki discovered that the Apache HTTP Server HTTP/2 module
    incorrectly destroyed certain streams. A remote attacker could possibly
    use this issue to cause the server to crash, leading to a denial of
    service. (CVE-2018-1302)
    
    Craig Young discovered that the Apache HTTP Server HTTP/2 module
    incorrectly handled certain requests. A remote attacker could possibly
    use this issue to cause the server to consume resources, leading to a
    denial of service. (CVE-2018-1333)
    
    Gal Goldshtein discovered that the Apache HTTP Server HTTP/2 module
    incorrectly handled large SETTINGS frames. A remote attacker could possibly
    use this issue to cause the server to consume resources, leading to a
    denial of service. (CVE-2018-11763)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 18.04 LTS:
      apache2-bin                     2.4.29-1ubuntu4.4
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/usn/usn-3783-1
      CVE-2018-11763, CVE-2018-1302, CVE-2018-1333
    
    Package Information:
      https://launchpad.net/ubuntu/+source/apache2/2.4.29-1ubuntu4.4
    
    
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