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Red Hat Security Advisory 2013-0202-01

Red Hat Security Advisory 2013-0202-01
Posted Jan 29, 2013
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2013-0202-01 - Ruby on Rails is a model–view–controller framework for web application development. Active Support provides support and utility classes used by the Ruby on Rails framework. A flaw was found in the way Active Support performed the parsing of JSON requests by translating them to YAML. A remote attacker could use this flaw to execute arbitrary code with the privileges of a Ruby on Rails application, perform SQL injection attacks, or bypass the authentication using a specially-created JSON request.

tags | advisory, remote, web, arbitrary, sql injection, ruby
systems | linux, redhat
advisories | CVE-2013-0333
MD5 | 023e1a1ca2d6500857b032668d550ee6

Red Hat Security Advisory 2013-0202-01

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=====================================================================
Red Hat Security Advisory

Synopsis: Critical: rubygem-activesupport security update
Advisory ID: RHSA-2013:0202-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://rhn.redhat.com/errata/RHSA-2013-0202.html
Issue date: 2013-01-28
CVE Names: CVE-2013-0333
=====================================================================

1. Summary:

An updated rubygem-activesupport package that fixes one security issue is
now available for Red Hat OpenShift Enterprise 1.0.

The Red Hat Security Response Team has rated this update as having critical
security impact. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available from the CVE link in
the References section.

2. Relevant releases/architectures:

Red Hat OpenShift Enterprise Infrastructure - noarch
Red Hat OpenShift Enterprise Node - noarch

3. Description:

Ruby on Rails is a model–view–controller (MVC) framework for web
application development. Active Support provides support and utility
classes used by the Ruby on Rails framework.

A flaw was found in the way Active Support performed the parsing of JSON
requests by translating them to YAML. A remote attacker could use this flaw
to execute arbitrary code with the privileges of a Ruby on Rails
application, perform SQL injection attacks, or bypass the authentication
using a specially-created JSON request. (CVE-2013-0333)

Red Hat would like to thank Ruby on Rails upstream for reporting this
issue. Upstream acknowledges Lawrence Pit of Mirror42 as the original
reporter.

All users of Red Hat OpenShift Enterprise are advised to upgrade to this
updated package, which resolves this issue. For Red Hat OpenShift
Enterprise administrators, the openshift-broker and openshift-console
services must be restarted for this update to take effect. Users of
OpenShift are advised to update their own applications that are running
Ruby on Rails.

4. 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/knowledge/articles/11258

5. Bugs fixed (http://bugzilla.redhat.com/):

903440 - CVE-2013-0333 rubygem-activesupport: json to yaml parsing

6. Package List:

Red Hat OpenShift Enterprise Infrastructure:

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/RHOSE/SRPMS/rubygem-activesupport-3.0.13-4.el6op.src.rpm

noarch:
rubygem-activesupport-3.0.13-4.el6op.noarch.rpm

Red Hat OpenShift Enterprise Node:

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/RHOSE/SRPMS/rubygem-activesupport-3.0.13-4.el6op.src.rpm

noarch:
rubygem-activesupport-3.0.13-4.el6op.noarch.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2013-0333.html
https://access.redhat.com/security/updates/classification/#critical

8. Contact:

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

Copyright 2013 Red Hat, Inc.
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