==========================================================================
Ubuntu Security Notice USN-3382-2
December 18, 2017
php5 vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 12.04 ESM
Summary:
Several security issues were fixed in PHP.
Software Description:
– php5: HTML-embedded scripting language interpreter
Details:
USN-3382-1 fixed several vulnerabilities in PHP. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
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. (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. (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)
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 12.04 ESM:
libapache2-mod-php5 5.3.10-1ubuntu3.28
php5 5.3.10-1ubuntu3.28
php5-cgi 5.3.10-1ubuntu3.28
php5-cli 5.3.10-1ubuntu3.28
php5-fpm 5.3.10-1ubuntu3.28
In general, a standard system update will make all the necessary
changes.
References:
https://www.ubuntu.com/usn/usn-3382-2
https://www.ubuntu.com/usn/usn-3382-1
CVE-2016-10397, CVE-2017-11143, CVE-2017-11144, CVE-2017-11145,
CVE-2017-11147, CVE-2017-11628, CVE-2017-9224, CVE-2017-9226,
CVE-2017-9227, CVE-2017-9228, CVE-2017-9229
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