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==========================================================================
Ubuntu Security Notice USN-4239-1
January 15, 2020

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

In general, a standard system update will make all the necessary changes.

References:
  https://usn.ubuntu.com/4239-1
  CVE-2019-11045, CVE-2019-11046, CVE-2019-11047, CVE-2019-11050

Package Information:
  https://launchpad.net/ubuntu/+source/php7.3/7.3.11-0ubuntu0.19.10.2
  https://launchpad.net/ubuntu/+source/php7.2/7.2.24-0ubuntu0.19.04.2
  https://launchpad.net/ubuntu/+source/php7.2/7.2.24-0ubuntu0.18.04.2
  https://launchpad.net/ubuntu/+source/php7.0/7.0.33-0ubuntu0.16.04.9

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