Ubuntu 3211-2: PHP regression

    Date02 Mar 2017
    CategoryUbuntu
    78
    Posted ByLinuxSecurity Advisories
    USN-3211-1 introduced a regression in PHP.
    ==========================================================================
    Ubuntu Security Notice USN-3211-2
    March 02, 2017
    
    php7.0 regression
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 16.10
    - Ubuntu 16.04 LTS
    
    Summary:
    
    USN-3211-1 introduced a regression in PHP.
    
    Software Description:
    - php7.0: HTML-embedded scripting language interpreter
    
    Details:
    
    USN-3211-1 fixed vulnerabilities in PHP by updating to the new 7.0.15
    upstream release. PHP 7.0.15 introduced a regression when using MySQL with
    large blobs. This update fixes the problem with a backported fix.
    
    Original advisory details:
    
     It was discovered that PHP incorrectly handled certain invalid objects when
     unserializing data. A remote attacker could use this issue to cause PHP to
     crash, resulting in a denial of service, or possibly execute arbitrary
     code. (CVE-2016-7479)
      It was discovered that PHP incorrectly handled certain invalid objects when
     unserializing data. A remote attacker could use this issue to cause PHP to
     crash, resulting in a denial of service, or possibly execute arbitrary
     code. (CVE-2016-9137)
      It was discovered that PHP incorrectly handled unserializing certain
     wddxPacket XML documents. A remote attacker could use this issue to cause
     PHP to crash, resulting in a denial of service, or possibly execute
     arbitrary code. (CVE-2016-9935)
      It was discovered that PHP incorrectly handled certain invalid objects when
     unserializing data. A remote attacker could use this issue to cause PHP to
     crash, resulting in a denial of service, or possibly execute arbitrary
     code. (CVE-2016-9936)
      It was discovered that PHP incorrectly handled certain EXIF data. A remote
     attacker could use this issue to cause PHP to crash, resulting in a denial
     of service. (CVE-2016-10158)
      It was discovered that PHP incorrectly handled certain PHAR archives. A
     remote attacker could use this issue to cause PHP to crash or consume
     resources, resulting in a denial of service. (CVE-2016-10159)
      It was discovered that PHP incorrectly handled certain PHAR archives. A
     remote attacker could use this issue to cause PHP to crash, resulting in a
     denial of service, or possibly execute arbitrary code. (CVE-2016-10160)
      It was discovered that PHP incorrectly handled certain invalid objects when
     unserializing data. A remote attacker could use this issue to cause PHP to
     crash, resulting in a denial of service. (CVE-2016-10161)
      It was discovered that PHP incorrectly handled unserializing certain
     wddxPacket XML documents. A remote attacker could use this issue to cause
     PHP to crash, resulting in a denial of service. (CVE-2016-10162)
      It was discovered that PHP incorrectly handled certain invalid objects when
     unserializing data. A remote attacker could use this issue to cause PHP to
     crash, resulting in a denial of service, or possibly execute arbitrary
     code. (CVE-2017-5340)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 16.10:
      libapache2-mod-php7.0           7.0.15-0ubuntu0.16.10.4
      php7.0-cgi                      7.0.15-0ubuntu0.16.10.4
      php7.0-cli                      7.0.15-0ubuntu0.16.10.4
      php7.0-fpm                      7.0.15-0ubuntu0.16.10.4
    
    Ubuntu 16.04 LTS:
      libapache2-mod-php7.0           7.0.15-0ubuntu0.16.04.4
      php7.0-cgi                      7.0.15-0ubuntu0.16.04.4
      php7.0-cli                      7.0.15-0ubuntu0.16.04.4
      php7.0-fpm                      7.0.15-0ubuntu0.16.04.4
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-3211-2
      http://www.ubuntu.com/usn/usn-3211-1
      https://launchpad.net/bugs/1668017
    
    Package Information:
      https://launchpad.net/ubuntu/+source/php7.0/7.0.15-0ubuntu0.16.10.4
      https://launchpad.net/ubuntu/+source/php7.0/7.0.15-0ubuntu0.16.04.4
    
    
    
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