php5 vulnerabilities

12 December 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

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

• CVE-2013-6420
• CVE-2013-6712