=========================================================================Ubuntu Security Notice USN-3646-2
May 16, 2018
php5 vulnerabilities
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary:
Several security issues were fixed in PHP.
Software Description:
- php5: HTML-embedded scripting language interpreter
Details:
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)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 ESM:
libapache2-mod-php5 5.3.10-1ubuntu3.31
php5-cgi 5.3.10-1ubuntu3.31
php5-cli 5.3.10-1ubuntu3.31
php5-fpm 5.3.10-1ubuntu3.31
In general, a standard system update will make all the necessary
changes.
References:
https://ubuntu.com/security/notices/USN-3646-2
https://ubuntu.com/security/notices/USN-3646-1
CVE-2018-10545, CVE-2018-10547, CVE-2018-10548
