========================================================================== Ubuntu Security Notice USN-3646-1 May 14, 2018 php5, php7.0, php7.1, php7.2 vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 18.04 LTS - Ubuntu 17.10 - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS Summary: Several security issues were fixed in PHP. Software Description: - php7.2: HTML-embedded scripting language interpreter - php7.1: 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 opcache access controls when configured to use PHP-FPM. A local user could possibly use this issue to obtain sensitive information from another user's PHP applications. (CVE-2018-10545) It was discovered that the PHP iconv stream filter incorrect handled certain invalid multibyte sequences. A remote attacker could possibly use this issue to cause PHP to hang, resulting in a denial of service. (CVE-2018-10546) It was discovered that the PHP PHAR error pages incorrectly filtered certain data. A remote attacker could possibly use this issue to perform a reflected XSS attack. (CVE-2018-10547) It was discovered that PHP incorrectly handled LDAP. A malicious remote LDAP server could possibly use this issue to cause PHP to crash, resulting in a denial of service. (CVE-2018-10548) It was discovered that PHP incorrectly handled certain exif tags in JPEG images. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 17.10, and Ubuntu 18.04 LTS. (CVE-2018-10549) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 LTS: libapache2-mod-php7.2 7.2.5-0ubuntu0.18.04.1 php7.2-cgi 7.2.5-0ubuntu0.18.04.1 php7.2-cli 7.2.5-0ubuntu0.18.04.1 php7.2-fpm 7.2.5-0ubuntu0.18.04.1 Ubuntu 17.10: libapache2-mod-php7.1 7.1.17-0ubuntu0.17.10.1 php7.1-cgi 7.1.17-0ubuntu0.17.10.1 php7.1-cli 7.1.17-0ubuntu0.17.10.1 php7.1-fpm 7.1.17-0ubuntu0.17.10.1 Ubuntu 16.04 LTS: libapache2-mod-php7.0 7.0.30-0ubuntu0.16.04.1 php7.0-cgi 7.0.30-0ubuntu0.16.04.1 php7.0-cli 7.0.30-0ubuntu0.16.04.1 php7.0-fpm 7.0.30-0ubuntu0.16.04.1 Ubuntu 14.04 LTS: libapache2-mod-php5 5.5.9+dfsg-1ubuntu4.25 php5-cgi 5.5.9+dfsg-1ubuntu4.25 php5-cli 5.5.9+dfsg-1ubuntu4.25 php5-fpm 5.5.9+dfsg-1ubuntu4.25 In Ubuntu 16.04 LTS, Ubuntu 17.10, and Ubuntu 18.04 LTS, this update uses a new upstream release, which includes additional bug fixes. In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/usn/usn-3646-1 CVE-2018-10545, CVE-2018-10546, CVE-2018-10547, CVE-2018-10548, CVE-2018-10549 Package Information: https://launchpad.net/ubuntu/+source/php7.2/7.2.5-0ubuntu0.18.04.1 https://launchpad.net/ubuntu/+source/php7.1/7.1.17-0ubuntu0.17.10.1 https://launchpad.net/ubuntu/+source/php7.0/7.0.30-0ubuntu0.16.04.1 https://launchpad.net/ubuntu/+source/php5/5.5.9+dfsg-1ubuntu4.25