[USN-2055-1] PHP vulnerabilities

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==========================================================================
Ubuntu Security Notice USN-2055-1
December 12, 2013

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

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

- Ubuntu 13.10
- Ubuntu 13.04
- Ubuntu 12.10
- 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:

Stefan Esser discovered that PHP incorrectly parsed certificates. An
attacker could use a malformed certificate to cause PHP to crash, resulting
in a denial of service, or possibly execute arbitrary code. (CVE-2013-6420)

It was discovered that PHP incorrectly handled DateInterval objects. An
attacker could use this issue to cause PHP to crash, resulting in a denial
of service. (CVE-2013-6712)

Update instructions:

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

Ubuntu 13.10:
libapache2-mod-php5 5.5.3+dfsg-1ubuntu2.1
php5-cgi 5.5.3+dfsg-1ubuntu2.1
php5-cli 5.5.3+dfsg-1ubuntu2.1

Ubuntu 13.04:
libapache2-mod-php5 5.4.9-4ubuntu2.4
php5-cgi 5.4.9-4ubuntu2.4
php5-cli 5.4.9-4ubuntu2.4

Ubuntu 12.10:
libapache2-mod-php5 5.4.6-1ubuntu1.5
php5-cgi 5.4.6-1ubuntu1.5
php5-cli 5.4.6-1ubuntu1.5

Ubuntu 12.04 LTS:
libapache2-mod-php5 5.3.10-1ubuntu3.9
php5-cgi 5.3.10-1ubuntu3.9
php5-cli 5.3.10-1ubuntu3.9

Ubuntu 10.04 LTS:
libapache2-mod-php5 5.3.2-1ubuntu4.22
php5-cgi 5.3.2-1ubuntu4.22
php5-cli 5.3.2-1ubuntu4.22

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

References:
http://www.ubuntu.com/usn/usn-2055-1
CVE-2013-6420, CVE-2013-6712

Package Information:
https://launchpad.net/ubuntu/+source/php5/5.5.3+dfsg-1ubuntu2.1
https://launchpad.net/ubuntu/+source/php5/5.4.9-4ubuntu2.4
https://launchpad.net/ubuntu/+source/php5/5.4.6-1ubuntu1.5
https://launchpad.net/ubuntu/+source/php5/5.3.10-1ubuntu3.9
https://launchpad.net/ubuntu/+source/php5/5.3.2-1ubuntu4.22