USN-4166-1: PHP vulnerability

Releases

• Ubuntu 19.10
• Ubuntu 19.04
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

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

• 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

• 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

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

References

• CVE-2019-11043

Related notices

• USN-4166-2