Linux Security
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    Ubuntu 4375-1: PHP vulnerability

    Date
    324
    Posted By
    PHP could be made to crash if it received a specially crafted file.
    ==========================================================================
    Ubuntu Security Notice USN-4375-1
    May 27, 2020
    
    php5, php7.0, php7.2, php7.3, php7.4 vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 20.04 LTS
    - Ubuntu 19.10
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    - Ubuntu 14.04 ESM
    - Ubuntu 12.04 ESM
    
    Summary:
    
    PHP could be made to crash if it received a specially crafted
    file.
    
    Software Description:
    - php7.4: server-side, HTML-embedded scripting language (metapackage)
    - php7.3: server-side, HTML-embedded scripting language (metapackage)
    - php7.2: HTML-embedded scripting language interpreter
    - php7.0: HTML-embedded scripting language interpreter
    - php5: HTML-embedded scripting language interpreter
    
    Details:
    
    It was discovered that PHP incorrectly handled certain files.
    An attacker could possibly use this issue to cause a denial of service.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 20.04 LTS:
      libapache2-mod-php7.4           7.4.3-4ubuntu2.2
      php7.4-cgi                      7.4.3-4ubuntu2.2
      php7.4-cli                      7.4.3-4ubuntu2.2
      php7.4-fpm                      7.4.3-4ubuntu2.2
      php7.4-mbstring                 7.4.3-4ubuntu2.2
    
    Ubuntu 19.10:
      libapache2-mod-php7.3           7.3.11-0ubuntu0.19.10.6
      php7.3-cgi                      7.3.11-0ubuntu0.19.10.6
      php7.3-cli                      7.3.11-0ubuntu0.19.10.6
      php7.3-fpm                      7.3.11-0ubuntu0.19.10.6
      php7.3-mbstring                 7.3.11-0ubuntu0.19.10.6
    
    Ubuntu 18.04 LTS:
      libapache2-mod-php7.2           7.2.24-0ubuntu0.18.04.6
      php7.2-cgi                      7.2.24-0ubuntu0.18.04.6
      php7.2-cli                      7.2.24-0ubuntu0.18.04.6
      php7.2-fpm                      7.2.24-0ubuntu0.18.04.6
      php7.2-mbstring                 7.2.24-0ubuntu0.18.04.6
    
    Ubuntu 16.04 LTS:
      libapache2-mod-php7.0           7.0.33-0ubuntu0.16.04.15
      php7.0-cgi                      7.0.33-0ubuntu0.16.04.15
      php7.0-cli                      7.0.33-0ubuntu0.16.04.15
      php7.0-fpm                      7.0.33-0ubuntu0.16.04.15
      php7.0-mbstring                 7.0.33-0ubuntu0.16.04.15
    
    Ubuntu 14.04 ESM:
      libapache2-mod-php5             5.5.9+dfsg-1ubuntu4.29+esm12
      php5-cgi                        5.5.9+dfsg-1ubuntu4.29+esm12
      php5-cli                        5.5.9+dfsg-1ubuntu4.29+esm12
      php5-fpm                        5.5.9+dfsg-1ubuntu4.29+esm12
    
    Ubuntu 12.04 ESM:
      libapache2-mod-php5             5.3.10-1ubuntu3.47
      php5-cgi                        5.3.10-1ubuntu3.47
      php5-cli                        5.3.10-1ubuntu3.47
      php5-fpm                        5.3.10-1ubuntu3.47
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4375-1
      CVE-2019-11048
    
    Package Information:
      https://launchpad.net/ubuntu/+source/php7.4/7.4.3-4ubuntu2.2
      https://launchpad.net/ubuntu/+source/php7.3/7.3.11-0ubuntu0.19.10.6
      https://launchpad.net/ubuntu/+source/php7.2/7.2.24-0ubuntu0.18.04.6
      https://launchpad.net/ubuntu/+source/php7.0/7.0.33-0ubuntu0.16.04.15
    

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