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Ubuntu: New Puppet packages fix security vulnerabilities

It was discovered that Puppet used a predictable filename when downloading Mac OS X package files. A local attacker could exploit this to overwrite arbitrary files. It was discovered that Puppet incorrectly handled filebucket retrieval requests. A local attacker could exploit this to read arbitrary files. It was discovered that Puppet incorrectly handled filebucket store requests. A local attacker could exploit this to perform a denial of service via resource exhaustion.

It was discovered that Puppet incorrectly handled filebucket requests. A local attacker could exploit this to execute arbitrary code via a crafted file path. It was discovered that Puppet used a predictable filename for the Telnet connection log file. A local attacker could exploit this to overwrite arbitrary files.

Updated packages are available from security.ubuntu.com.

==========================================================================
Ubuntu Security Notice USN-1419-1
April 11, 2012

puppet vulnerabilities
==========================================================================

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

- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.04 LTS

Summary:

Several security issues were fixed in puppet.

Software Description:
- puppet: Centralized configuration management

Details:

It was discovered that Puppet used a predictable filename when downloading Mac
OS X package files. A local attacker could exploit this to overwrite arbitrary
files. (CVE-2012-1906)

It was discovered that Puppet incorrectly handled filebucket retrieval
requests. A local attacker could exploit this to read arbitrary files.
(CVE-2012-1986)

It was discovered that Puppet incorrectly handled filebucket store requests. A
local attacker could exploit this to perform a denial of service via resource
exhaustion. (CVE-2012-1987)

It was discovered that Puppet incorrectly handled filebucket requests. A local
attacker could exploit this to execute arbitrary code via a crafted file path.
(CVE-2012-1988)

It was discovered that Puppet used a predictable filename for the Telnet
connection log file. A local attacker could exploit this to overwrite arbitrary
files. This issue only affected Ubuntu 11.10. (CVE-2012-1989)

Update instructions:

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

Ubuntu 11.10:
 puppet-common                   2.7.1-1ubuntu3.6

Ubuntu 11.04:
 puppet-common                   2.6.4-2ubuntu2.9

Ubuntu 10.04 LTS:
 puppet-common                   0.25.4-2ubuntu6.7

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

References:
 http://www.ubuntu.com/usn/usn-1419-1
 CVE-2012-1906, CVE-2012-1986, CVE-2012-1987, CVE-2012-1988,
 CVE-2012-1989

Package Information:
 https://launchpad.net/ubuntu/+source/puppet/2.7.1-1ubuntu3.6
 https://launchpad.net/ubuntu/+source/puppet/2.6.4-2ubuntu2.9
 https://launchpad.net/ubuntu/+source/puppet/0.25.4-2ubuntu6.7
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