USN-3766-1: PHP vulnerabilities

Releases

• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

Packages

• php5 - HTML-embedded scripting language interpreter
• php7.0 - HTML-embedded scripting language interpreter
• php7.2 - HTML-embedded scripting language interpreter

Details

It was discovered that PHP incorrectly handled restarting certain child
processes when php-fpm is used. A remote attacker could possibly use this
issue to cause a denial of service. This issue was only addressed in Ubuntu
18.04 LTS. (CVE-2015-9253)

It was discovered that PHP incorrectly handled certain exif tags in JPEG
images. A remote attacker could possibly use this issue to cause PHP to
crash, resulting in a denial of service. (CVE-2018-14851, CVE-2018-14883)

Update instructions

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

Ubuntu 18.04

• libapache2-mod-php7.2 - 7.2.10-0ubuntu0.18.04.1
• php7.2-cgi - 7.2.10-0ubuntu0.18.04.1
• php7.2-cli - 7.2.10-0ubuntu0.18.04.1
• php7.2-fpm - 7.2.10-0ubuntu0.18.04.1

Ubuntu 16.04

• libapache2-mod-php7.0 - 7.0.32-0ubuntu0.16.04.1
• php7.0-cgi - 7.0.32-0ubuntu0.16.04.1
• php7.0-cli - 7.0.32-0ubuntu0.16.04.1
• php7.0-fpm - 7.0.32-0ubuntu0.16.04.1

Ubuntu 14.04

• libapache2-mod-php5 - 5.5.9+dfsg-1ubuntu4.26
• php5-cgi - 5.5.9+dfsg-1ubuntu4.26
• php5-cli - 5.5.9+dfsg-1ubuntu4.26
• php5-fpm - 5.5.9+dfsg-1ubuntu4.26

In Ubuntu 16.04 LTS and Ubuntu 18.04 LTS, 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

• CVE-2015-9253
• CVE-2018-14851
• CVE-2018-14883

Related notices

• USN-4279-1
• USN-5300-1
• USN-3766-2