USN-2055-1: PHP vulnerabilities

Releases

• Ubuntu 13.10
• Ubuntu 13.04
• Ubuntu 12.10
• Ubuntu 12.04
• Ubuntu 10.04

Packages

• 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

• php5-cli - 5.5.3+dfsg-1ubuntu2.1
• php5-cgi - 5.5.3+dfsg-1ubuntu2.1
• libapache2-mod-php5 - 5.5.3+dfsg-1ubuntu2.1

Ubuntu 13.04

• php5-cli - 5.4.9-4ubuntu2.4
• php5-cgi - 5.4.9-4ubuntu2.4
• libapache2-mod-php5 - 5.4.9-4ubuntu2.4

Ubuntu 12.10

• php5-cli - 5.4.6-1ubuntu1.5
• php5-cgi - 5.4.6-1ubuntu1.5
• libapache2-mod-php5 - 5.4.6-1ubuntu1.5

Ubuntu 12.04

• php5-cli - 5.3.10-1ubuntu3.9
• php5-cgi - 5.3.10-1ubuntu3.9
• libapache2-mod-php5 - 5.3.10-1ubuntu3.9

Ubuntu 10.04

• php5-cli - 5.3.2-1ubuntu4.22
• php5-cgi - 5.3.2-1ubuntu4.22
• libapache2-mod-php5 - 5.3.2-1ubuntu4.22

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

References

• CVE-2013-6420
• CVE-2013-6712