Ubuntu Security Notice USN-1569-1
17th September, 2012
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.04 LTS
- Ubuntu 8.04 LTS
Several security issues were fixed in PHP.
- php5 - HTML-embedded scripting language interpreter
It was discovered that PHP incorrectly handled certain character sequences
when applying HTTP response-splitting protection. A remote attacker could
create a specially-crafted URL and inject arbitrary headers.
It was discovered that PHP incorrectly handled directories with a large
number of files. This could allow a remote attacker to execute arbitrary
code with the privileges of the web server, or to perform a denial of
It was discovered that PHP incorrectly parsed certain PDO prepared
statements. A remote attacker could use this flaw to cause PHP to crash,
leading to a denial of service. (CVE-2012-3450)
The problem can be corrected by updating your system to the following package version:
- Ubuntu 12.04 LTS:
- php5 5.3.10-1ubuntu3.4
- Ubuntu 11.10:
- php5 5.3.6-13ubuntu3.9
- Ubuntu 11.04:
- php5 5.3.5-1ubuntu7.11
- Ubuntu 10.04 LTS:
- php5 5.3.2-1ubuntu4.18
- Ubuntu 8.04 LTS:
- php5 5.2.4-2ubuntu5.26
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.