USN-4239-1: PHP vulnerabilities

15 January 2020

php5, php7.0, php7.2, php7.3 vulnerabilities

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
  • Ubuntu 14.04 ESM
  • Ubuntu 12.04 ESM

Summary

Several security issues were fixed in PHP.

Software Description

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

Details

It was discovered that PHP incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 ESM, 16.04 LTS, 18.04 LTS, 19.04 and 19.10. (CVE-2019-11045)

It was discovered that PHP incorrectly handled certain inputs. An attacker could possibly use this issue to expose sensitive information. (CVE-2019-11046)

It was discovered that PHP incorrectly handled certain images. An attacker could possibly use this issue to access sensitive information. (CVE-2019-11047, CVE-2019-11050)

Update instructions

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

Ubuntu 19.10
libapache2-mod-php7.3 - 7.3.11-0ubuntu0.19.10.2
php7.3-bcmath - 7.3.11-0ubuntu0.19.10.2
php7.3-cgi - 7.3.11-0ubuntu0.19.10.2
php7.3-cli - 7.3.11-0ubuntu0.19.10.2
php7.3-fpm - 7.3.11-0ubuntu0.19.10.2
php7.3-mbstring - 7.3.11-0ubuntu0.19.10.2
php7.3-xmlrpc - 7.3.11-0ubuntu0.19.10.2
Ubuntu 19.04
libapache2-mod-php7.2 - 7.2.24-0ubuntu0.19.04.2
php7.2-bcmath - 7.2.24-0ubuntu0.19.04.2
php7.2-cgi - 7.2.24-0ubuntu0.19.04.2
php7.2-cli - 7.2.24-0ubuntu0.19.04.2
php7.2-fpm - 7.2.24-0ubuntu0.19.04.2
php7.2-mbstring - 7.2.24-0ubuntu0.19.04.2
php7.2-xmlrpc - 7.2.24-0ubuntu0.19.04.2
Ubuntu 18.04 LTS
libapache2-mod-php7.2 - 7.2.24-0ubuntu0.18.04.2
php7.2-bcmath - 7.2.24-0ubuntu0.18.04.2
php7.2-cgi - 7.2.24-0ubuntu0.18.04.2
php7.2-cli - 7.2.24-0ubuntu0.18.04.2
php7.2-fpm - 7.2.24-0ubuntu0.18.04.2
php7.2-mbstring - 7.2.24-0ubuntu0.18.04.2
php7.2-xmlrpc - 7.2.24-0ubuntu0.18.04.2
Ubuntu 16.04 LTS
libapache2-mod-php7.0 - 7.0.33-0ubuntu0.16.04.9
php7.0-bcmath - 7.0.33-0ubuntu0.16.04.9
php7.0-cgi - 7.0.33-0ubuntu0.16.04.9
php7.0-cli - 7.0.33-0ubuntu0.16.04.9
php7.0-fpm - 7.0.33-0ubuntu0.16.04.9
php7.0-mbstring - 7.0.33-0ubuntu0.16.04.9
php7.0-xmlrpc - 7.0.33-0ubuntu0.16.04.9
Ubuntu 14.04 ESM
libapache2-mod-php5 - 5.5.9+dfsg-1ubuntu4.29+esm8
php5-cgi - 5.5.9+dfsg-1ubuntu4.29+esm8
php5-cli - 5.5.9+dfsg-1ubuntu4.29+esm8
php5-fpm - 5.5.9+dfsg-1ubuntu4.29+esm8
php5-xmlrpc - 5.5.9+dfsg-1ubuntu4.29+esm8
Ubuntu 12.04 ESM
libapache2-mod-php5 - 5.3.10-1ubuntu3.42
php5-cgi - 5.3.10-1ubuntu3.42
php5-cli - 5.3.10-1ubuntu3.42
php5-fpm - 5.3.10-1ubuntu3.42
php5-xmlrpc - 5.3.10-1ubuntu3.42

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