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Ubuntu: Security update for PHP

It was discovered that PHP incorrectly handled the openssl_encrypt function when used with an empty string. An attacker could use this flaw to cause PHP to disclose arbitrary memory contents and possibly expose sensitive information.

Updated packages are available from security.ubuntu.com.

==========================================================================
Ubuntu Security Notice USN-1702-1
January 22, 2013

php5 vulnerability
==========================================================================

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

- Ubuntu 12.04 LTS

Summary:

PHP could be made to expose sensitive information over the network.

Software Description:
- php5: HTML-embedded scripting language interpreter

Details:

It was discovered that PHP incorrectly handled the openssl_encrypt function
when used with an empty string. An attacker could use this flaw to cause
PHP to disclose arbitrary memory contents and possibly expose sensitive
information.

Update instructions:

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

Ubuntu 12.04 LTS:
 php5                            5.3.10-1ubuntu3.5

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

References:
 http://www.ubuntu.com/usn/usn-1702-1
 CVE-2012-6113

Package Information:
 https://launchpad.net/ubuntu/+source/php5/5.3.10-1ubuntu3.5
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