USN-3646-2: PHP vulnerabilities

16 May 2018

Several security issues were fixed in PHP.



  • php5 - HTML-embedded scripting language interpreter


USN-3646-1 fixed a vulnerability in PHP. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory 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.

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)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 12.04

In general, a standard system update will make all the necessary changes.

Related notices

  • USN-3646-1: php7.1-fpm, php5-cli, libapache2-mod-php7.0, php7.0, php7.1, php5-cgi, php7.0-fpm, php7.0-cli, php7.1-cgi, php5-fpm, php7.0-cgi, php7.2-fpm, libapache2-mod-php5, php7.2, php7.1-cli, php5, php7.2-cli, libapache2-mod-php7.1, libapache2-mod-php7.2, php7.2-cgi