USN-4097-1: PHP vulnerabilities

13 August 2019

php7.0, php7.2 vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 19.04
  • Ubuntu 18.04 LTS
  • Ubuntu 16.04 LTS

Summary

PHP could be made to crash or execute arbitrary code if it received specially crafted image.

Software Description

  • php7.2 - HTML-embedded scripting language interpreter
  • php7.0 - HTML-embedded scripting language interpreter

Details

It was discovered that PHP incorrectly handled certain images. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2019-11041, CVE-2019-11042)

Update instructions

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

Ubuntu 19.04
libapache2-mod-php7.2 - 7.2.19-0ubuntu0.19.04.2
php7.2-cgi - 7.2.19-0ubuntu0.19.04.2
php7.2-cli - 7.2.19-0ubuntu0.19.04.2
php7.2-fpm - 7.2.19-0ubuntu0.19.04.2
php7.2-xmlrpc - 7.2.19-0ubuntu0.19.04.2
Ubuntu 18.04 LTS
libapache2-mod-php7.2 - 7.2.19-0ubuntu0.18.04.2
php7.2-cgi - 7.2.19-0ubuntu0.18.04.2
php7.2-cli - 7.2.19-0ubuntu0.18.04.2
php7.2-fpm - 7.2.19-0ubuntu0.18.04.2
php7.2-xmlrpc - 7.2.19-0ubuntu0.18.04.2
Ubuntu 16.04 LTS
libapache2-mod-php7.0 - 7.0.33-0ubuntu0.16.04.6
php7.0-cgi - 7.0.33-0ubuntu0.16.04.6
php7.0-cli - 7.0.33-0ubuntu0.16.04.6
php7.0-fpm - 7.0.33-0ubuntu0.16.04.6
php7.0-xmlrpc - 7.0.33-0ubuntu0.16.04.6

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.

References