==========================================================================
Ubuntu Security Notice USN-3382-1
August 10, 2017

php5, php7.0 vulnerabilities
==========================================================================

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

- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in PHP.

Software Description:
- php7.0: HTML-embedded scripting language interpreter
- php5: HTML-embedded scripting language interpreter

Details:

It was discovered that the PHP opcache created keys for files it cached
based on their filepath. A local attacker could possibly use this issue in
a shared hosting environment to obtain sensitive information. This issue
only affected Ubuntu 14.04 LTS. (CVE-2015-8994)

It was discovered that the PHP URL parser incorrectly handled certain URI
components. A remote attacker could possibly use this issue to bypass
hostname-specific URL checks. This issue only affected Ubuntu 14.04 LTS.
(CVE-2016-10397)

It was discovered that PHP incorrectly handled certain boolean parameters
when unserializing data. A remote attacker could possibly use this issue to
cause PHP to crash, resulting in a denial of service. This issue only
affected Ubuntu 14.04 LTS. (CVE-2017-11143)

Sebastian Li, Wei Lei, Xie Xiaofei, and Liu Yang discovered that PHP
incorrectly handled the OpenSSL sealing function. A remote attacker could
possibly use this issue to cause PHP to crash, resulting in a denial of
service. (CVE-2017-11144)

Wei Lei and Liu Yang discovered that the PHP date extension incorrectly
handled memory. A remote attacker could possibly use this issue to disclose
sensitive information from the server. (CVE-2017-11145)

It was discovered that PHP incorrectly handled certain PHAR archives. A
remote attacker could use this issue to cause PHP to crash or disclose
sensitive information. This issue only affected Ubuntu 14.04 LTS.
(CVE-2017-11147)

It was discovered that PHP incorrectly handled locale length. A remote
attacker could possibly use this issue to cause PHP to crash, resulting in
a denial of service. (CVE-2017-11362)

Wei Lei and Liu Yang discovered that PHP incorrectly handled parsing ini
files. An attacker could possibly use this issue to cause PHP to crash,
resulting in a denial of service. (CVE-2017-11628)

It was discovered that PHP mbstring incorrectly handled certain regular
expressions. A remote attacker could use this issue to cause PHP to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2017-9224, CVE-2017-9226, CVE-2017-9227, CVE-2017-9228, CVE-2017-9229)

Update instructions:

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

Ubuntu 17.04:
  libapache2-mod-php7.0           7.0.22-0ubuntu0.17.04.1
  php7.0-cgi                      7.0.22-0ubuntu0.17.04.1
  php7.0-cli                      7.0.22-0ubuntu0.17.04.1
  php7.0-fpm                      7.0.22-0ubuntu0.17.04.1

Ubuntu 16.04 LTS:
  libapache2-mod-php7.0           7.0.22-0ubuntu0.16.04.1
  php7.0-cgi                      7.0.22-0ubuntu0.16.04.1
  php7.0-cli                      7.0.22-0ubuntu0.16.04.1
  php7.0-fpm                      7.0.22-0ubuntu0.16.04.1

Ubuntu 14.04 LTS:
  libapache2-mod-php5             5.5.9+dfsg-1ubuntu4.22
  php5-cgi                        5.5.9+dfsg-1ubuntu4.22
  php5-cli                        5.5.9+dfsg-1ubuntu4.22
  php5-fpm                        5.5.9+dfsg-1ubuntu4.22

In Ubuntu 16.04 LTS and Ubuntu 17.04, 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://www.ubuntu.com/usn/usn-3382-1
  CVE-2015-8994, CVE-2016-10397, CVE-2017-11143, CVE-2017-11144,
  CVE-2017-11145, CVE-2017-11147, CVE-2017-11362, CVE-2017-11628,
  CVE-2017-9224, CVE-2017-9226, CVE-2017-9227, CVE-2017-9228,
  CVE-2017-9229

Package Information:
  https://launchpad.net/ubuntu/+source/php7.0/7.0.22-0ubuntu0.17.04.1
  https://launchpad.net/ubuntu/+source/php7.0/7.0.22-0ubuntu0.16.04.1
  https://launchpad.net/ubuntu/+source/php5/5.5.9+dfsg-1ubuntu4.22


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