Ubuntu 2758-1: PHP vulnerabilities

    Date30 Sep 2015
    CategoryUbuntu
    60
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in PHP.
    ==========================================================================
    Ubuntu Security Notice USN-2758-1
    September 30, 2015
    
    php5 vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 15.04
    - Ubuntu 14.04 LTS
    - Ubuntu 12.04 LTS
    
    Summary:
    
    Several security issues were fixed in PHP.
    
    Software Description:
    - php5: HTML-embedded scripting language interpreter
    
    Details:
    
    It was discovered that the PHP phar extension incorrectly handled certain
    files. A remote attacker could use this issue to cause PHP to crash,
    resulting in a denial of service. (CVE-2015-5589)
    
    It was discovered that the PHP phar extension incorrectly handled certain
    filepaths. A remote attacker could use this issue to cause PHP to crash,
    resulting in a denial of service, or possibly execute arbitrary code.
    (CVE-2015-5590)
    
    Taoguang Chen discovered that PHP incorrectly handled unserializing
    objects. A remote attacker could use this issue to cause PHP to crash,
    resulting in a denial of service, or possibly execute arbitrary code.
    (CVE-2015-6831, CVE-2015-6834, CVE-2015-6835
    
    Sean Heelan discovered that PHP incorrectly handled unserializing
    objects. A remote attacker could use this issue to cause PHP to crash,
    resulting in a denial of service, or possibly execute arbitrary code.
    (CVE-2015-6832)
    
    It was discovered that the PHP phar extension incorrectly handled certain
    archives. A remote attacker could use this issue to cause files to be
    placed outside of the destination directory. (CVE-2015-6833)
    
    Andrea Palazzo discovered that the PHP Soap client incorrectly validated
    data types. A remote attacker could use this issue to cause PHP to crash,
    resulting in a denial of service, or possibly execute arbitrary code.
    (CVE-2015-6836)
    
    It was discovered that the PHP XSLTProcessor class incorrectly handled
    certain data. A remote attacker could use this issue to cause PHP to crash,
    resulting in a denial of service. (CVE-2015-6837)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 15.04:
      libapache2-mod-php5             5.6.4+dfsg-4ubuntu6.3
      php5-cgi                        5.6.4+dfsg-4ubuntu6.3
      php5-cli                        5.6.4+dfsg-4ubuntu6.3
      php5-fpm                        5.6.4+dfsg-4ubuntu6.3
    
    Ubuntu 14.04 LTS:
      libapache2-mod-php5             5.5.9+dfsg-1ubuntu4.13
      php5-cgi                        5.5.9+dfsg-1ubuntu4.13
      php5-cli                        5.5.9+dfsg-1ubuntu4.13
      php5-fpm                        5.5.9+dfsg-1ubuntu4.13
    
    Ubuntu 12.04 LTS:
      libapache2-mod-php5             5.3.10-1ubuntu3.20
      php5-cgi                        5.3.10-1ubuntu3.20
      php5-cli                        5.3.10-1ubuntu3.20
      php5-fpm                        5.3.10-1ubuntu3.20
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-2758-1
      CVE-2015-5589, CVE-2015-5590, CVE-2015-6831, CVE-2015-6832,
      CVE-2015-6833, CVE-2015-6834, CVE-2015-6835, CVE-2015-6836,
      CVE-2015-6837, CVE-2015-6838
    
    Package Information:
      https://launchpad.net/ubuntu/+source/php5/5.6.4+dfsg-4ubuntu6.3
      https://launchpad.net/ubuntu/+source/php5/5.5.9+dfsg-1ubuntu4.13
      https://launchpad.net/ubuntu/+source/php5/5.3.10-1ubuntu3.20
    
    
    
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