RHSA-2014:0207 - Security Advisory

Topic

An updated rubygems package that fixes one security issue is now available
for Red Hat OpenShift Enterprise 2.0.2.

The Red Hat Security Response Team has rated this update as having Moderate
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.

Description

RubyGems is the Ruby standard for publishing and managing third-party
libraries.

It was discovered that the rubygems API validated version strings using an
unsafe regular expression. An application making use of this API to process
a version string from an untrusted source could be vulnerable to a denial
of service attack through CPU exhaustion. (CVE-2013-4287)

Red Hat would like to thank Rubygems upstream for reporting this issue.
Upstream acknowledges Damir Sharipov as the original reporter.

All users of Red Hat OpenShift Enterprise 2.0.2 are advised to upgrade to
this updated package, which contains a backported patch to correct this
issue.

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 OpenShift Enterprise Infrastructure 2.0 x86_64
• Red Hat OpenShift Enterprise Application Node 2.0 x86_64
• Red Hat OpenShift Enterprise Client Tools 2.0 x86_64

Fixes

• BZ - 1002364 - CVE-2013-4287 rubygems: version regex algorithmic complexity vulnerability

CVEs

• CVE-2013-4287

References

• https://access.redhat.com/security/updates/classification/#moderate