Ubuntu Security Notice 4097-1 - 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.
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Ubuntu Security Notice USN-4097-1
August 13, 2019
php7.0, php7.2 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.04
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
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)
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://usn.ubuntu.com/4097-1
CVE-2019-11041, CVE-2019-11042
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