| From: |
| Steve Beattie <sbeattie@ubuntu.com> |
| To: |
| ubuntu-security-announce@lists.ubuntu.com |
| Subject: |
| [USN-1437-1] PHP vulnerability |
| Date: |
| Fri, 4 May 2012 13:24:58 -0700 |
| Message-ID: |
| <20120504202458.GC9185@nxnw.org> |
| Archive-link: |
| Article, Thread
|
==========================================================================
Ubuntu Security Notice USN-1437-1
May 04, 2012
php5 vulnerability
==========================================================================
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
Summary:
Standalone PHP CGI scripts could be made to execute arbitrary code with
the privilege of the web server.
Software Description:
- php5: HTML-embedded scripting language interpreter
Details:
It was discovered that PHP, when used as a stand alone CGI processor
for the Apache Web Server, did not properly parse and filter query
strings. This could allow a remote attacker to execute arbitrary code
running with the privilege of the web server. Configurations using
mod_php5 and FastCGI were not vulnerable.
This update addresses the issue when the PHP CGI interpreter
is configured using mod_cgi and mod_actions as described
in /usr/share/doc/php5-cgi/README.Debian.gz; however,
if an alternate configuration is used to enable PHP CGI
processing, it should be reviewed to ensure that command line
arguments cannot be passed to the PHP interpreter. Please see
http://people.canonical.com/~ubuntu-security/cve/2012/CVE...
for more details and potential mitigation approaches.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 LTS:
php5-cgi 5.3.10-1ubuntu3.1
Ubuntu 11.10:
php5-cgi 5.3.6-13ubuntu3.7
Ubuntu 11.04:
php5-cgi 5.3.5-1ubuntu7.8
Ubuntu 10.04 LTS:
php5-cgi 5.3.2-1ubuntu4.15
Ubuntu 8.04 LTS:
php5-cgi 5.2.4-2ubuntu5.24
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1437-1
CVE-2012-1823, CVE-2012-2311
Package Information:
https://launchpad.net/ubuntu/+source/php5/5.3.10-1ubuntu3.1
https://launchpad.net/ubuntu/+source/php5/5.3.6-13ubuntu3.7
https://launchpad.net/ubuntu/+source/php5/5.3.5-1ubuntu7.8
https://launchpad.net/ubuntu/+source/php5/5.3.2-1ubuntu4.15
https://launchpad.net/ubuntu/+source/php5/5.2.4-2ubuntu5.24
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