php7.0, php7.2, php7.3 vulnerability

28 October 2019

php7.0, php7.2, php7.3 vulnerability

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

• Ubuntu 19.10
• Ubuntu 19.04
• Ubuntu 18.04 LTS
• Ubuntu 16.04 LTS

Summary

PHP could be made to run programs if it received specially crafted network traffic.

Software Description

• php7.3 - HTML-embedded scripting language interpreter
• php7.2 - HTML-embedded scripting language interpreter
• php7.0 - HTML-embedded scripting language interpreter

Details

It was discovered that PHP incorrectly handled certain paths when being used in FastCGI configurations. A remote attacker could possibly use this issue to execute arbitrary code.

Update instructions

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

Ubuntu 19.10

libapache2-mod-php7.3 - 7.3.11-0ubuntu0.19.10.1

php7.3-cgi - 7.3.11-0ubuntu0.19.10.1

php7.3-cli - 7.3.11-0ubuntu0.19.10.1

php7.3-fpm - 7.3.11-0ubuntu0.19.10.1

Ubuntu 19.04

libapache2-mod-php7.2 - 7.2.24-0ubuntu0.19.04.1

php7.2-cgi - 7.2.24-0ubuntu0.19.04.1

php7.2-cli - 7.2.24-0ubuntu0.19.04.1

php7.2-fpm - 7.2.24-0ubuntu0.19.04.1

Ubuntu 18.04 LTS

libapache2-mod-php7.2 - 7.2.24-0ubuntu0.18.04.1

php7.2-cgi - 7.2.24-0ubuntu0.18.04.1

php7.2-cli - 7.2.24-0ubuntu0.18.04.1

php7.2-fpm - 7.2.24-0ubuntu0.18.04.1

Ubuntu 16.04 LTS

libapache2-mod-php7.0 - 7.0.33-0ubuntu0.16.04.7

php7.0-cgi - 7.0.33-0ubuntu0.16.04.7

php7.0-cli - 7.0.33-0ubuntu0.16.04.7

php7.0-fpm - 7.0.33-0ubuntu0.16.04.7

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

• CVE-2019-11043