Ubuntu 4166-1: PHP vulnerability

    Date28 Oct 2019
    CategoryUbuntu
    487
    Posted ByLinuxSecurity Advisories
    PHP could be made to run programs if it received specially crafted network traffic.
    ==========================================================================
    Ubuntu Security Notice USN-4166-1
    October 28, 2019
    
    php7.0, php7.2, php7.3 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:
    
    PHP could be made to run programs if it received specially crafted network
    traffic.
    
    Software Description:
    - php7.3: HTML-embedded scripting language interpreter
    - php7.2: HTML-embedded scripting language interpreter
    - php7.0: HTML-embedded scripting language interpreter
    
    Details:
    
    It was discovered that PHP incorrectly handled certain paths when being
    used in FastCGI configurations. A remote attacker could possibly use this
    issue to execute arbitrary code.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 19.10:
      libapache2-mod-php7.3           7.3.11-0ubuntu0.19.10.1
      php7.3-cgi                      7.3.11-0ubuntu0.19.10.1
      php7.3-cli                      7.3.11-0ubuntu0.19.10.1
      php7.3-fpm                      7.3.11-0ubuntu0.19.10.1
    
    Ubuntu 19.04:
      libapache2-mod-php7.2           7.2.24-0ubuntu0.19.04.1
      php7.2-cgi                      7.2.24-0ubuntu0.19.04.1
      php7.2-cli                      7.2.24-0ubuntu0.19.04.1
      php7.2-fpm                      7.2.24-0ubuntu0.19.04.1
    
    Ubuntu 18.04 LTS:
      libapache2-mod-php7.2           7.2.24-0ubuntu0.18.04.1
      php7.2-cgi                      7.2.24-0ubuntu0.18.04.1
      php7.2-cli                      7.2.24-0ubuntu0.18.04.1
      php7.2-fpm                      7.2.24-0ubuntu0.18.04.1
    
    Ubuntu 16.04 LTS:
      libapache2-mod-php7.0           7.0.33-0ubuntu0.16.04.7
      php7.0-cgi                      7.0.33-0ubuntu0.16.04.7
      php7.0-cli                      7.0.33-0ubuntu0.16.04.7
      php7.0-fpm                      7.0.33-0ubuntu0.16.04.7
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4166-1
      CVE-2019-11043
    
    Package Information:
      https://launchpad.net/ubuntu/+source/php7.3/7.3.11-0ubuntu0.19.10.1
      https://launchpad.net/ubuntu/+source/php7.2/7.2.24-0ubuntu0.19.04.1
      https://launchpad.net/ubuntu/+source/php7.2/7.2.24-0ubuntu0.18.04.1
      https://launchpad.net/ubuntu/+source/php7.0/7.0.33-0ubuntu0.16.04.7
    
    
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