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Ubuntu 4097-1 Moderate: PHP Code Execution from Crafted Images

ubuntu
Calendar Grey August 13, 2019
Dist Ubuntu Esm H88
The recent patch is relevant for Ubuntu versions 19.04, 18.04 LTS, and 16.04 LTS, focusing on PHP’s processing of specially designed images to reduce vulnerabilities.
PHP could be made to crash or execute arbitrary code if it received specially crafted image.

Summary

PHP could be made to crash or execute arbitrary code if it

received specially crafted image.

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 images.

An attacker could possibly use this issue to cause a denial of service

or execute arbitrary code. (CVE-2019-11041, CVE-2019-11042)

Topics%20covered

Topics Covered

security advisory DoS arbitrary code execution Ubuntu PHP

Update Instructions

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

Ubuntu 19.04:
  libapache2-mod-php7.2           7.2.19-0ubuntu0.19.04.2
  php7.2-cgi                      7.2.19-0ubuntu0.19.04.2
  php7.2-cli                      7.2.19-0ubuntu0.19.04.2
  php7.2-fpm                      7.2.19-0ubuntu0.19.04.2
  php7.2-xmlrpc                   7.2.19-0ubuntu0.19.04.2

Ubuntu 18.04 LTS:
  libapache2-mod-php7.2           7.2.19-0ubuntu0.18.04.2
  php7.2-cgi                      7.2.19-0ubuntu0.18.04.2
  php7.2-cli                      7.2.19-0ubuntu0.18.04.2
  php7.2-fpm                      7.2.19-0ubuntu0.18.04.2
  php7.2-xmlrpc                   7.2.19-0ubuntu0.18.04.2

Ubuntu 16.04 LTS:
  libapache2-mod-php7.0           7.0.33-0ubuntu0.16.04.6
  php7.0-cgi                      7.0.33-0ubuntu0.16.04.6
  php7.0-cli                      7.0.33-0ubuntu0.16.04.6
  php7.0-fpm                      7.0.33-0ubuntu0.16.04.6
  php7.0-xmlrpc                   7.0.33-0ubuntu0.16.04.6

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

References

https://ubuntu.com/security/notices/USN-4097-1

CVE-2019-11041, CVE-2019-11042

Severity
important
Lowest
Low
Medium
High
Critical

August 13, 2019

Topics%20covered

Topics Covered

security advisory DoS arbitrary code execution Ubuntu PHP

Package Information

https://launchpad.net/ubuntu/+source/php7.2/7.2.19-0ubuntu0.19.04.2
https://launchpad.net/ubuntu/+source/php7.2/7.2.19-0ubuntu0.18.04.2
https://launchpad.net/ubuntu/+source/php7.0/7.0.33-0ubuntu0.16.04.6

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