Ubuntu 4166-2: PHP vulnerability

    Date29 Oct 2019
    CategoryUbuntu
    271
    Posted ByLinuxSecurity Advisories
    PHP could be made to run programs if it received specially crafted network traffic.
    ==========================================================================
    Ubuntu Security Notice USN-4166-2
    October 29, 2019
    
    php5 vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 14.04 ESM
    - Ubuntu 12.04 ESM
    
    Summary:
    
    PHP could be made to run programs if it received specially crafted network
    traffic.
    
    Software Description:
    - php5: HTML-embedded scripting language interpreter
    
    Details:
    
    USN-4166-1 fixed a vulnerability in PHP. This update provides
    the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
    
    Original advisory 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 14.04 ESM:
      libapache2-mod-php5             5.5.9+dfsg-1ubuntu4.29+esm6
      php5-cgi                        5.5.9+dfsg-1ubuntu4.29+esm6
      php5-cli                        5.5.9+dfsg-1ubuntu4.29+esm6
      php5-fpm                        5.5.9+dfsg-1ubuntu4.29+esm6
    
    Ubuntu 12.04 ESM:
      libapache2-mod-php5             5.3.10-1ubuntu3.40
      php5-cgi                        5.3.10-1ubuntu3.40
      php5-cli                        5.3.10-1ubuntu3.40
      php5-fpm                        5.3.10-1ubuntu3.40
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4166-2
      https://usn.ubuntu.com/4166-1
      CVE-2019-11043
    
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