Ubuntu Security Notice USN-4009-1

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Ubuntu Security Notice USN-4009-1
June 05, 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 18.10
– 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 images.
A remote attacker could use this issue to cause PHP to crash, resulting in
a denial of service, or possibly obtain sensitive information.
(CVE-2019-11036)

It was discovered that PHP incorrectly decoding certain MIME headers. A
remote attacker could possibly use this issue to cause PHP to crash,
resulting in a denial of service. (CVE-2019-11039)

It was discovered that PHP incorrectly handled certain exif tags in images.
A remote attacker could use this issue to cause PHP to crash, resulting in
a denial of service, or possibly execute arbitrary code. (CVE-2019-11040)

Update instructions:

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

Ubuntu 19.04:
libapache2-mod-php7.2 7.2.19-0ubuntu0.19.04.1
php7.2-cgi 7.2.19-0ubuntu0.19.04.1
php7.2-cli 7.2.19-0ubuntu0.19.04.1
php7.2-fpm 7.2.19-0ubuntu0.19.04.1

Ubuntu 18.10:
libapache2-mod-php7.2 7.2.19-0ubuntu0.18.10.1
php7.2-cgi 7.2.19-0ubuntu0.18.10.1
php7.2-cli 7.2.19-0ubuntu0.18.10.1
php7.2-fpm 7.2.19-0ubuntu0.18.10.1

Ubuntu 18.04 LTS:
libapache2-mod-php7.2 7.2.19-0ubuntu0.18.04.1
php7.2-cgi 7.2.19-0ubuntu0.18.04.1
php7.2-cli 7.2.19-0ubuntu0.18.04.1
php7.2-fpm 7.2.19-0ubuntu0.18.04.1

Ubuntu 16.04 LTS:
libapache2-mod-php7.0 7.0.33-0ubuntu0.16.04.5
php7.0-cgi 7.0.33-0ubuntu0.16.04.5
php7.0-cli 7.0.33-0ubuntu0.16.04.5
php7.0-fpm 7.0.33-0ubuntu0.16.04.5

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/4009-1
CVE-2019-11036, CVE-2019-11039, CVE-2019-11040

Package Information:
https://launchpad.net/ubuntu/+source/php7.2/7.2.19-0ubuntu0.19.04.1
https://launchpad.net/ubuntu/+source/php7.2/7.2.19-0ubuntu0.18.10.1
https://launchpad.net/ubuntu/+source/php7.2/7.2.19-0ubuntu0.18.04.1
https://launchpad.net/ubuntu/+source/php7.0/7.0.33-0ubuntu0.16.04.5