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Red Hat Product Errata RHSA-2013:1284 - Security Advisory
Issued:
2013-09-24
Updated:
2013-09-24

RHSA-2013:1284 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Critical: ruby193-puppet security update

Type/Severity

Security Advisory: Critical

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

Updated ruby193-puppet packages that fix three security issues are now
available for Red Hat OpenStack 3.0.

The Red Hat Security Response Team has rated this update as having critical
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.

Description

Puppet allows provisioning, patching, and configuration of clients to be
managed and automated.

A flaw was found in the way Puppet handled YAML content during
Representational State Transfer (REST) API calls. An attacker could
construct a request containing a crafted YAML payload that would cause the
Puppet master to execute arbitrary code. (CVE-2013-3567)

It was found that resource_type requests could be used to cause the Puppet
master to load and run Ruby files from anywhere on the file system. In
non-default configurations, a local user on the Puppet master server could
use this flaw to have arbitrary Ruby code executed with the privileges of
the Puppet master. (CVE-2013-4761)

It was found that Puppet Module Tool (that is, running "puppet module"
commands from the command line) applied incorrect permissions to installed
modules. If a malicious, local user had write access to the Puppet module
directory, they could use this flaw to modify the modules and therefore
execute arbitrary code with the privileges of the Puppet master.
(CVE-2013-4956)

Red Hat would like to thank Puppet Labs for reporting these issues.
Upstream acknowledges Ben Murphy as the original reporter of CVE-2013-3567.

These ruby193-puppet packages are used by Foreman, which provides
facilities for rapidly deploying Red Hat OpenStack 3.0. In this use case,
Puppet master is used and exposed to these issues. Note that Foreman is
provided as a Technology Preview. For more information on the scope and
nature of support for items marked as Technology Preview, refer to
https://access.redhat.com/support/offerings/techpreview/

Users of Red Hat OpenStack 3.0 are advised to upgrade to these updated
packages, which correct these issues.

Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/site/articles/11258

Affected Products

  • Red Hat OpenStack grizzly x86_64

Fixes

  • BZ - 974649 - CVE-2013-3567 puppet: remote code execution on master from unauthenticated clients
  • BZ - 996855 - CVE-2013-4956 Puppet: Local Privilege Escalation/Arbitrary Code Execution
  • BZ - 996856 - CVE-2013-4761 Puppet: resource_type service code execution

CVEs

  • CVE-2013-4761
  • CVE-2013-3567
  • CVE-2013-4956

References

  • https://access.redhat.com/security/updates/classification/#critical
  • http://puppetlabs.com/security/cve/cve-2013-3567
  • http://puppetlabs.com/security/cve/cve-2013-4761
  • http://puppetlabs.com/security/cve/cve-2013-4956
  • https://access.redhat.com/support/offerings/techpreview/
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat OpenStack grizzly

SRPM
ruby193-puppet-3.1.1-11.1.el6ost.src.rpm SHA-256: 5244073f7f2f50497cdaddad62e3f685634bcc5268c2526b057acfd15254573d
x86_64
ruby193-puppet-3.1.1-11.1.el6ost.noarch.rpm SHA-256: be3e7381b7fe2dbabd7bdca1a63029a9b9c0a616f8ee2e17a2c946f9d12b626f
ruby193-puppet-server-3.1.1-11.1.el6ost.noarch.rpm SHA-256: 2192f41190cdeaeb7c44653cbbfa9a0be86f8e29ae23ca398001af253eed8cf3

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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