[USN-3702-1] PHP vulnerability

[Marc Deslauriers]

==========================================================================
Ubuntu Security Notice USN-3702-1
July 04, 2018

php7.2 vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.04 LTS

Summary:

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

Software Description:
- 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.

Update instructions:

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

Ubuntu 18.04 LTS:
  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

This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary
changes.

References:
  https://usn.ubuntu.com/usn/usn-3702-1
  CVE-2018-12882

Package Information:
  https://launchpad.net/ubuntu/+source/php7.2/7.2.7-0ubuntu0.18.04.1

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