Ubuntu Security Notice USN-1419-1

11th April, 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 version:

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

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.

References

CVE-2012-1906, CVE-2012-1986, CVE-2012-1987, CVE-2012-1988, CVE-2012-1989