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AUSCERT External Security Bulletin Redistribution
Moderate: ruby193-rubygem-actionpack security update
18 March 2014
AusCERT Security Bulletin Summary
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 6
Red Hat Enterprise Linux WS/Desktop 6
Impact/Access: Delete Arbitrary Files -- Remote/Unauthenticated
Cross-site Scripting -- Remote with User Interaction
CVE Names: CVE-2014-0082 CVE-2014-0081
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Red Hat Security Advisory
Synopsis: Moderate: ruby193-rubygem-actionpack security update
Advisory ID: RHSA-2014:0306-01
Product: Red Hat Software Collections
Advisory URL: https://rhn.redhat.com/errata/RHSA-2014-0306.html
Issue date: 2014-03-17
CVE Names: CVE-2014-0081 CVE-2014-0082
Updated ruby193-rubygem-actionpack packages that fix two security issues
are now available for Red Hat Software Collections 1.
The Red Hat Security Response Team has rated this update as having Moderate
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.
2. Relevant releases/architectures:
Red Hat Software Collections for RHEL 6 Server - noarch
Red Hat Software Collections for RHEL 6 Workstation - noarch
Ruby on Rails is a model-view-controller (MVC) framework for web
application development. Action Pack implements the controller and the
It was found that several number conversion helpers in Action View did not
properly escape all their parameters. An attacker could use these flaws to
perform a cross-site scripting (XSS) attack on an application that uses
data submitted by a user as parameters to the affected helpers.
A memory consumption issue was discovered in the text rendering component
of Action View. A remote attacker could use this flaw to perform a denial
of service attack by sending specially crafted queries that would result in
the creation of Ruby symbols that were never garbage collected.
Red Hat would like to thank the Ruby on Rails Project for reporting these
issues. Upstream acknowledges Kevin Reintjes as the original reporter of
CVE-2014-0081, and Toby Hsieh of SlideShare as the original reporter of
All ruby193-rubygem-actionpack users are advised to upgrade to these
updated packages, which contain backported patches to correct these issues.
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
5. Bugs fixed (https://bugzilla.redhat.com/):
1065520 - CVE-2014-0081 rubygem-actionpack: number_to_currency, number_to_percentage and number_to_human XSS vulnerability
1065538 - CVE-2014-0082 rubygem-actionpack: Action View string handling denial of service
6. Package List:
Red Hat Software Collections for RHEL 6 Server:
Red Hat Software Collections for RHEL 6 Workstation:
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
The Red Hat security contact is <email@example.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2014 Red Hat, Inc.
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