4.3 - RHSA-2016:1858

Problem Description:

An update for ruby193-rubygem-actionpack is now available for Red Hat Software Collections.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) - noarch Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) - noarch Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.6) - noarch Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.7) - noarch Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.1) - noarch Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.2) - noarch Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) - noarch Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) - noarch

3. Description:

Ruby on Rails is a model-view-controller (MVC) framework for web application development. Action Pack implements the controller and the view components.

Security Fix(es):

* It was discovered that Action View tag helpers did not escape quotes when using strings declared as HTML safe as attribute values. A remote attacker could use this flaw to conduct a cross-site scripting (XSS) attack. (CVE-2016-6316)

Red Hat would like to thank the Ruby on Rails project for reporting this issue. Upstream acknowledges Andrew Carpenter (Critical Juncture) as the original reporter.

4. Solution:

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

All running applications using ruby193-rubygem-actionpack must be restarted for this update to take effect.

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

1365008 - CVE-2016-6316 rubygem-actionview: cross-site scripting flaw in Action View