USN-4375-1: PHP vulnerability

Releases

• Ubuntu 20.04 LTS
• Ubuntu 19.10
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM
• Ubuntu 12.04

Packages

• php5 - HTML-embedded scripting language interpreter
• php7.0 - HTML-embedded scripting language interpreter
• php7.2 - HTML-embedded scripting language interpreter
• php7.3 - server-side, HTML-embedded scripting language (metapackage)
• php7.4 - server-side, HTML-embedded scripting language (metapackage)

Details

It was discovered that PHP incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of service.

Update instructions

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

Ubuntu 20.04

• libapache2-mod-php7.4 - 7.4.3-4ubuntu2.2
• php7.4-cgi - 7.4.3-4ubuntu2.2
• php7.4-cli - 7.4.3-4ubuntu2.2
• php7.4-fpm - 7.4.3-4ubuntu2.2
• php7.4-mbstring - 7.4.3-4ubuntu2.2

Ubuntu 19.10

• libapache2-mod-php7.3 - 7.3.11-0ubuntu0.19.10.6
• php7.3-cgi - 7.3.11-0ubuntu0.19.10.6
• php7.3-cli - 7.3.11-0ubuntu0.19.10.6
• php7.3-fpm - 7.3.11-0ubuntu0.19.10.6
• php7.3-mbstring - 7.3.11-0ubuntu0.19.10.6

Ubuntu 18.04

• libapache2-mod-php7.2 - 7.2.24-0ubuntu0.18.04.6
• php7.2-cgi - 7.2.24-0ubuntu0.18.04.6
• php7.2-cli - 7.2.24-0ubuntu0.18.04.6
• php7.2-fpm - 7.2.24-0ubuntu0.18.04.6
• php7.2-mbstring - 7.2.24-0ubuntu0.18.04.6

Ubuntu 16.04

• libapache2-mod-php7.0 - 7.0.33-0ubuntu0.16.04.15
• php7.0-cgi - 7.0.33-0ubuntu0.16.04.15
• php7.0-cli - 7.0.33-0ubuntu0.16.04.15
• php7.0-fpm - 7.0.33-0ubuntu0.16.04.15
• php7.0-mbstring - 7.0.33-0ubuntu0.16.04.15

Ubuntu 14.04

• libapache2-mod-php5 - 5.5.9+dfsg-1ubuntu4.29+esm12
• php5-cgi - 5.5.9+dfsg-1ubuntu4.29+esm12
• php5-cli - 5.5.9+dfsg-1ubuntu4.29+esm12
• php5-fpm - 5.5.9+dfsg-1ubuntu4.29+esm12

Ubuntu 12.04

• libapache2-mod-php5 - 5.3.10-1ubuntu3.47
• php5-cgi - 5.3.10-1ubuntu3.47
• php5-cli - 5.3.10-1ubuntu3.47
• php5-fpm - 5.3.10-1ubuntu3.47

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

References

• CVE-2019-11048