Several security issues were fixed in PHP.
USN-3646-1 fixed a vulnerability in PHP. This update provides the corresponding update for Ubuntu 12.04 ESM.
16 May 2018
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in PHP.
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. (CVE-2018-10545)
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)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Vulmon