1. Ubuntu Security Notices
  2. USN-761-2

USN-761-2: PHP vulnerabilities

Publication date

27 April 2009

Overview

PHP vulnerabilities

Releases

Packages

Details

USN-761-1 fixed vulnerabilities in PHP.
This update provides the corresponding updates for Ubuntu 9.04.

Original advisory details:

It was discovered that PHP did not sanitize certain error messages when
display_errors is enabled, which could result in browsers becoming
vulnerable to cross-site scripting attacks when processing the output.
With cross-site scripting vulnerabilities, if a user were tricked into
viewing server output during a crafted server request, a remote attacker
could exploit this to modify the contents, or steal confidential data
(such as passwords), within the same domain. (CVE-2008-5814)

It was discovered that PHP did not properly handle certain malformed
strings when being parsed by the json_decode function. A remote attacker
could exploit this flaw and cause the PHP server to crash, resulting in a
denial of service. This issue only affected Ubuntu...

USN-761-1 fixed vulnerabilities in PHP.
This update provides the corresponding updates for Ubuntu 9.04.

Original advisory details:

It was discovered that PHP did not sanitize certain error messages when
display_errors is enabled, which could result in browsers becoming
vulnerable to cross-site scripting attacks when processing the output.
With cross-site scripting vulnerabilities, if a user were tricked into
viewing server output during a crafted server request, a remote attacker
could exploit this to modify the contents, or steal confidential data
(such as passwords), within the same domain. (CVE-2008-5814)

It was discovered that PHP did not properly handle certain malformed
strings when being parsed by the json_decode function. A remote attacker
could exploit this flaw and cause the PHP server to crash, resulting in a
denial of service. This issue only affected Ubuntu 8.04 and 8.10.
(CVE-2009-1271)

Update instructions

In general, a standard system upgrade is sufficient to effect the necessary changes.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
9.04 jaunty php5-cli –  5.2.6.dfsg.1-3ubuntu4.1
php5-cgi –  5.2.6.dfsg.1-3ubuntu4.1
libapache2-mod-php5 –  5.2.6.dfsg.1-3ubuntu4.1

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Get Ubuntu Pro

References

Have additional questions?

Talk to a member of the team ›