1. Ubuntu Security Notices
  2. USN-3702-1

USN-3702-1: PHP vulnerability

Publication date

4 July 2018

Overview

PHP could be made to crash or run programs if it opened a specially crafted file.

Releases

Packages

  • php7.2 - HTML-embedded scripting language interpreter

Details

It was discovered that PHP incorrectly handled exif tags in certain images.
A remote attacker could use this issue to cause PHP to crash, resulting in
a denial of service, or possibly execute arbitrary code.

It was discovered that PHP incorrectly handled exif tags in certain images.
A remote attacker could use this issue to cause PHP to crash, resulting in
a denial of service, or possibly execute arbitrary code.

Update instructions

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 –  7.2.7-0ubuntu0.18.04.1
php7.2-cgi –  7.2.7-0ubuntu0.18.04.1
php7.2-cli –  7.2.7-0ubuntu0.18.04.1
php7.2-fpm –  7.2.7-0ubuntu0.18.04.1

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Get Ubuntu Pro

References

Have additional questions?

Talk to a member of the team ›