USN-4239-1: PHP vulnerabilities

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

• CVE-2019-11045
• CVE-2019-11046
• CVE-2019-11047
• CVE-2019-11050