==========================================================================
Ubuntu Security Notice USN-2572-1
April 20, 2015

php5 vulnerabilities
==========================================================================

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

- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS

Summary:

Several security issues were fixed in PHP.

Software Description:
- php5: HTML-embedded scripting language interpreter

Details:

It was discovered that PHP incorrectly handled cleanup when used with
Apache 2.4. A remote attacker could use this issue to cause PHP to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2015-3330)

It was discovered that PHP incorrectly handled opening tar, zip or phar
archives through the PHAR extension. A remote attacker could use this issue
to cause PHP to crash, resulting in a denial of service, or possibly
execute arbitrary code. (CVE-2015-3329)

It was discovered that PHP incorrectly handled 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-2015-2305)

Paulos Yibelo discovered that PHP incorrectly handled moving files when a
pathname contained a null character. A remote attacker could use this issue
to possibly bypass filename restrictions. This issue only applied to
Ubuntu 14.04 LTS and Ubuntu 14.10. (CVE-2015-2348)

It was discovered that PHP incorrectly handled unserializing PHAR files. A
remote attacker could use this issue to cause PHP to possibly expose
sensitive information. (CVE-2015-2783)

Taoguang Chen discovered that PHP incorrectly handled unserializing certain
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-2015-2787)

Update instructions:

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

Ubuntu 14.10:
  libapache2-mod-php5             5.5.12+dfsg-2ubuntu4.4
  php5-cgi                        5.5.12+dfsg-2ubuntu4.4
  php5-cli                        5.5.12+dfsg-2ubuntu4.4
  php5-fpm                        5.5.12+dfsg-2ubuntu4.4

Ubuntu 14.04 LTS:
  libapache2-mod-php5             5.5.9+dfsg-1ubuntu4.9
  php5-cgi                        5.5.9+dfsg-1ubuntu4.9
  php5-cli                        5.5.9+dfsg-1ubuntu4.9
  php5-fpm                        5.5.9+dfsg-1ubuntu4.9

Ubuntu 12.04 LTS:
  libapache2-mod-php5             5.3.10-1ubuntu3.18
  php5-cgi                        5.3.10-1ubuntu3.18
  php5-cli                        5.3.10-1ubuntu3.18
  php5-fpm                        5.3.10-1ubuntu3.18

Ubuntu 10.04 LTS:
  libapache2-mod-php5             5.3.2-1ubuntu4.30
  php5-cgi                        5.3.2-1ubuntu4.30
  php5-cli                        5.3.2-1ubuntu4.30

In general, a standard system update will make all the necessary changes.

References:
  http://www.ubuntu.com/usn/usn-2572-1
  CVE-2015-2305, CVE-2015-2348, CVE-2015-2783, CVE-2015-2787,
  CVE-2015-3329, CVE-2015-3330

Package Information:
  https://launchpad.net/ubuntu/+source/php5/5.5.12+dfsg-2ubuntu4.4
  https://launchpad.net/ubuntu/+source/php5/5.5.9+dfsg-1ubuntu4.9
  https://launchpad.net/ubuntu/+source/php5/5.3.10-1ubuntu3.18
  https://launchpad.net/ubuntu/+source/php5/5.3.2-1ubuntu4.30