Ubuntu 4097-2: PHP vulnerabilities

    Date13 Aug 2019
    CategoryUbuntu
    2451
    Posted ByLinuxSecurity Advisories
    Ubuntu Large
    PHP could be made to crash or execute arbitrary code if it received specially crafted image.
    ==========================================================================
    Ubuntu Security Notice USN-4097-2
    August 13, 2019
    
    php5 vulnerabilities
    ==========================================================================
    
    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 crash or execute arbitrary code if it
    received specially crafted image.
    
    Software Description:
    - php5: HTML-embedded scripting language interpreter
    
    Details:
    
    USN-4097-1 fixed several vulnerabilities in php5. 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 images.
     An attacker could possibly use this issue to cause a denial of service
     or execute arbitrary code. (CVE-2019-11041, CVE-2019-11042)
    
    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+esm5
      php5-cgi                        5.5.9+dfsg-1ubuntu4.29+esm5
      php5-cli                        5.5.9+dfsg-1ubuntu4.29+esm5
      php5-fpm                        5.5.9+dfsg-1ubuntu4.29+esm5
      php5-xmlrpc                     5.5.9+dfsg-1ubuntu4.29+esm5
    
    Ubuntu 12.04 ESM:
      libapache2-mod-php5             5.3.10-1ubuntu3.39
      php5-cgi                        5.3.10-1ubuntu3.39
      php5-cli                        5.3.10-1ubuntu3.39
      php5-fpm                        5.3.10-1ubuntu3.39
      php5-xmlrpc                     5.3.10-1ubuntu3.39
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4097-2
      https://usn.ubuntu.com/4097-1
      CVE-2019-11041, CVE-2019-11042
    
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