[USN-3953-1] PHP vulnerabilities

[Marc Deslauriers]

==========================================================================
Ubuntu Security Notice USN-3953-1
April 23, 2019

php7.0, php7.2 vulnerabilities
==========================================================================

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

- Ubuntu 19.04
- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in PHP.

Software Description:
- php7.2: HTML-embedded scripting language interpreter
- php7.0: HTML-embedded scripting language interpreter

Details:

It was discovered that PHP incorrectly handled certain exif tags in JPEG
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 19.04:
  libapache2-mod-php7.2           7.2.17-0ubuntu0.19.04.1
  php7.2-cgi                      7.2.17-0ubuntu0.19.04.1
  php7.2-cli                      7.2.17-0ubuntu0.19.04.1
  php7.2-fpm                      7.2.17-0ubuntu0.19.04.1

Ubuntu 18.10:
  libapache2-mod-php7.2           7.2.17-0ubuntu0.18.10.1
  php7.2-cgi                      7.2.17-0ubuntu0.18.10.1
  php7.2-cli                      7.2.17-0ubuntu0.18.10.1
  php7.2-fpm                      7.2.17-0ubuntu0.18.10.1

Ubuntu 18.04 LTS:
  libapache2-mod-php7.2           7.2.17-0ubuntu0.18.04.1
  php7.2-cgi                      7.2.17-0ubuntu0.18.04.1
  php7.2-cli                      7.2.17-0ubuntu0.18.04.1
  php7.2-fpm                      7.2.17-0ubuntu0.18.04.1

Ubuntu 16.04 LTS:
  libapache2-mod-php7.0           7.0.33-0ubuntu0.16.04.4
  php7.0-cgi                      7.0.33-0ubuntu0.16.04.4
  php7.0-cli                      7.0.33-0ubuntu0.16.04.4
  php7.0-fpm                      7.0.33-0ubuntu0.16.04.4

In Ubuntu 18.04 LTS, Ubuntu 18.10, and Ubuntu 19.04, 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-3953-1
  CVE-2019-11034, CVE-2019-11035

Package Information:
  https://launchpad.net/ubuntu/+source/php7.2/7.2.17-0ubuntu0.19.04.1
  https://launchpad.net/ubuntu/+source/php7.2/7.2.17-0ubuntu0.18.10.1
  https://launchpad.net/ubuntu/+source/php7.2/7.2.17-0ubuntu0.18.04.1
  https://launchpad.net/ubuntu/+source/php7.0/7.0.33-0ubuntu0.16.04.4

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