==========================================================================
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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