1. Ubuntu Security Notices
  2. USN-3766-1

USN-3766-1: PHP vulnerabilities

Publication date

18 September 2018

Overview

Several security issues were fixed in PHP.

Releases

Packages

  • php5 - HTML-embedded scripting language interpreter
  • php7.0 - HTML-embedded scripting language interpreter
  • php7.2 - HTML-embedded scripting language interpreter

Details

It was discovered that PHP incorrectly handled restarting certain child
processes when php-fpm is used. A remote attacker could possibly use this
issue to cause a denial of service. This issue was only addressed in Ubuntu
18.04 LTS. (CVE-2015-9253)

It was discovered that PHP incorrectly handled certain exif tags in JPEG
images. A remote attacker could possibly use this issue to cause PHP to
crash, resulting in a denial of service. (CVE-2018-14851, CVE-2018-14883)

It was discovered that PHP incorrectly handled restarting certain child
processes when php-fpm is used. A remote attacker could possibly use this
issue to cause a denial of service. This issue was only addressed in Ubuntu
18.04 LTS. (CVE-2015-9253)

It was discovered that PHP incorrectly handled certain exif tags in JPEG
images. A remote attacker could possibly use this issue to cause PHP to
crash, resulting in a denial of service. (CVE-2018-14851, CVE-2018-14883)

Update instructions

In Ubuntu 16.04 LTS and Ubuntu 18.04 LTS, this update uses a new upstream release, which includes additional bug fixes. In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
18.04 bionic libapache2-mod-php7.2 –  7.2.10-0ubuntu0.18.04.1
php7.2-cgi –  7.2.10-0ubuntu0.18.04.1
php7.2-cli –  7.2.10-0ubuntu0.18.04.1
php7.2-fpm –  7.2.10-0ubuntu0.18.04.1
16.04 xenial libapache2-mod-php7.0 –  7.0.32-0ubuntu0.16.04.1
php7.0-cgi –  7.0.32-0ubuntu0.16.04.1
php7.0-cli –  7.0.32-0ubuntu0.16.04.1
php7.0-fpm –  7.0.32-0ubuntu0.16.04.1
14.04 trusty libapache2-mod-php5 –  5.5.9+dfsg-1ubuntu4.26
php5-cgi –  5.5.9+dfsg-1ubuntu4.26
php5-cli –  5.5.9+dfsg-1ubuntu4.26
php5-fpm –  5.5.9+dfsg-1ubuntu4.26

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References

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