USN-3600-1: PHP vulnerabilities

php5, php7.0, php7.1 vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

Ubuntu 17.10
Ubuntu 16.04 LTS
Ubuntu 14.04 LTS

Summary

Several security issues were fixed in PHP.

Software Description

php7.1 – HTML-embedded scripting language interpreter
php7.0 – HTML-embedded scripting language interpreter
php5 – HTML-embedded scripting language interpreter

Details

It was discovered that PHP incorrectly handled certain stream metadata. A
remote attacker could possibly use this issue to set arbitrary metadata.
This issue only affected Ubuntu 14.04 LTS. (CVE-2016-10712)

It was discovered that PHP incorrectly handled the PHAR 404 error page. A
remote attacker could possibly use this issue to conduct cross-site
scripting (XSS) attacks. This issue only affected Ubuntu 16.04 LTS and
Ubuntu 17.10. (CVE-2018-5712)

It was discovered that PHP incorrectly handled parsing certain HTTP
responses. A remote attacker could use this issue to cause PHP to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2018-7584)

Update instructions

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

Ubuntu 17.10: libapache2-mod-php7.1 – 7.1.15-0ubuntu0.17.10.1; php7.1-cgi – 7.1.15-0ubuntu0.17.10.1; php7.1-cli – 7.1.15-0ubuntu0.17.10.1; php7.1-fpm – 7.1.15-0ubuntu0.17.10.1
Ubuntu 16.04 LTS: libapache2-mod-php7.0 – 7.0.28-0ubuntu0.16.04.1; php7.0-cgi – 7.0.28-0ubuntu0.16.04.1; php7.0-cli – 7.0.28-0ubuntu0.16.04.1; php7.0-fpm – 7.0.28-0ubuntu0.16.04.1
Ubuntu 14.04 LTS: libapache2-mod-php5 – 5.5.9+dfsg-1ubuntu4.24; php5-cgi – 5.5.9+dfsg-1ubuntu4.24; php5-cli – 5.5.9+dfsg-1ubuntu4.24; php5-fpm – 5.5.9+dfsg-1ubuntu4.24

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

In Ubuntu 16.04 LTS and Ubuntu 17.10, 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

Source: USN-3600-1: PHP vulnerabilities

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