USN-2758-1: PHP vulnerabilities

Ubuntu Security Notice USN-2758-1

30th September, 2015

php5 vulnerabilities

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

Ubuntu 15.04
Ubuntu 14.04 LTS
Ubuntu 12.04 LTS

Summary

Several security issues were fixed in PHP.

Software description

php5
– HTML-embedded scripting language interpreter

Details

It was discovered that the PHP phar extension incorrectly handled certain
files. A remote attacker could use this issue to cause PHP to crash,
resulting in a denial of service. (CVE-2015-5589)

It was discovered that the PHP phar extension incorrectly handled certain
filepaths. A remote attacker could use this issue to cause PHP to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2015-5590)

Taoguang Chen discovered that PHP incorrectly handled unserializing
objects. A remote attacker could use this issue to cause PHP to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2015-6831, CVE-2015-6834, CVE-2015-6835

Sean Heelan discovered that PHP incorrectly handled unserializing
objects. A remote attacker could use this issue to cause PHP to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2015-6832)

It was discovered that the PHP phar extension incorrectly handled certain
archives. A remote attacker could use this issue to cause files to be
placed outside of the destination directory. (CVE-2015-6833)

Andrea Palazzo discovered that the PHP Soap client incorrectly validated
data types. A remote attacker could use this issue to cause PHP to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2015-6836)

It was discovered that the PHP XSLTProcessor class incorrectly handled
certain data. A remote attacker could use this issue to cause PHP to crash,
resulting in a denial of service. (CVE-2015-6837)