Ubuntu 4235-1: nginx vulnerability

    Date13 Jan 2020
    72
    Posted ByLinuxSecurity Advisories
    nginx could be made to expose sensitive information over the network.
    ==========================================================================
    Ubuntu Security Notice USN-4235-1
    January 13, 2020
    
    nginx vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 19.10
    - Ubuntu 19.04
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    
    Summary:
    
    nginx could be made to expose sensitive information over the network.
    
    Software Description:
    - nginx: small, powerful, scalable web/proxy server
    
    Details:
    
    Bert JW Regeer and Francisco Oca Gonzalez discovered that nginx incorrectly
    handled certain error_page configurations. A remote attacker could possibly
    use this issue to perform HTTP request smuggling attacks and access
    resources contrary to expectations.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 19.10:
      nginx-common                    1.16.1-0ubuntu2.1
      nginx-core                      1.16.1-0ubuntu2.1
      nginx-extras                    1.16.1-0ubuntu2.1
      nginx-full                      1.16.1-0ubuntu2.1
      nginx-light                     1.16.1-0ubuntu2.1
    
    Ubuntu 19.04:
      nginx-common                    1.15.9-0ubuntu1.2
      nginx-core                      1.15.9-0ubuntu1.2
      nginx-extras                    1.15.9-0ubuntu1.2
      nginx-full                      1.15.9-0ubuntu1.2
      nginx-light                     1.15.9-0ubuntu1.2
    
    Ubuntu 18.04 LTS:
      nginx-common                    1.14.0-0ubuntu1.7
      nginx-core                      1.14.0-0ubuntu1.7
      nginx-extras                    1.14.0-0ubuntu1.7
      nginx-full                      1.14.0-0ubuntu1.7
      nginx-light                     1.14.0-0ubuntu1.7
    
    Ubuntu 16.04 LTS:
      nginx-common                    1.10.3-0ubuntu0.16.04.5
      nginx-core                      1.10.3-0ubuntu0.16.04.5
      nginx-extras                    1.10.3-0ubuntu0.16.04.5
      nginx-full                      1.10.3-0ubuntu0.16.04.5
      nginx-light                     1.10.3-0ubuntu0.16.04.5
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4235-1
      CVE-2019-20372
    
    Package Information:
      https://launchpad.net/ubuntu/+source/nginx/1.16.1-0ubuntu2.1
      https://launchpad.net/ubuntu/+source/nginx/1.15.9-0ubuntu1.2
      https://launchpad.net/ubuntu/+source/nginx/1.14.0-0ubuntu1.7
      https://launchpad.net/ubuntu/+source/nginx/1.10.3-0ubuntu0.16.04.5
    
    
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