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             AUSCERT External Security Bulletin Redistribution

                      USN-4239-1: PHP vulnerabilities
                              16 January 2020


        AusCERT Security Bulletin Summary

Product:           PHP
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Denial of Service     -- Existing Account
                   Read-only Data Access -- Existing Account
                   Reduced Security      -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-11050 CVE-2019-11047 CVE-2019-11046

Reference:         ESB-2020.0145

Original Bulletin: 

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USN-4239-1: PHP vulnerabilities
15 January 2020

php5, php7.0, php7.2, php7.3 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:

  o Ubuntu 19.10
  o Ubuntu 19.04
  o Ubuntu 18.04 LTS
  o Ubuntu 16.04 LTS
  o Ubuntu 14.04 ESM
  o Ubuntu 12.04 ESM


Several security issues were fixed in PHP.

Software Description

  o php7.3 - server-side, HTML-embedded scripting language (metapackage)
  o php7.2 - HTML-embedded scripting language interpreter
  o php7.0 - HTML-embedded scripting language interpreter
  o php5 - HTML-embedded scripting language interpreter


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,

Update instructions

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

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

To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades .

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


  o CVE-2019-11045
  o CVE-2019-11046
  o CVE-2019-11047
  o CVE-2019-11050

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