CVE Database


Impact: Moderate
Public: 2013-09-09
CWE: CWE-407->CWE-400
Bugzilla: 1002364: CVE-2013-4287 rubygems: version regex algorithmic complexity vulnerability


The MITRE CVE dictionary describes this issue as:

Algorithmic complexity vulnerability in Gem::Version::VERSION_PATTERN in lib/rubygems/version.rb in RubyGems before, 1.8.24 through 1.8.25, 2.0.x before 2.0.8, and 2.1.x before 2.1.0, as used in Ruby 1.9.0 through 2.0.0p247, allows remote attackers to cause a denial of service (CPU consumption) via a crafted gem version that triggers a large amount of backtracking in a regular expression.

Find out more about CVE-2013-4287 from the MITRE CVE dictionary and NIST NVD.


Red Hat OpenShift Enterprise 1.2 is now in Production 1 Phase of the support
and maintenance life cycle. This has been rated as having Moderate security
impact and is not currently planned to be addressed in future updates. For
additional information, refer to the Red Hat OpenShift Enterprise Life Cycle:

CVSS v2 metrics

Base Score: 2.6
Base Metrics: AV:N/AC:H/Au:N/C:N/I:N/A:P
Access Vector: Network
Access Complexity: High
Authentication: None
Confidentiality Impact: None
Integrity Impact: None
Availability Impact: Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
MRG Grid for RHEL 6 Server v.2 RHSA-2013:1852 December 17, 2013
RHOSE Client 2.0 (rubygems) RHSA-2014:0207 February 24, 2014
Red Hat Enterprise Linux OpenStack Platform 3.0 RHSA-2013:1523 November 14, 2013
Red Hat Enterprise Linux version 6 (rubygems) RHSA-2013:1441 October 17, 2013
Red Hat Software Collections 1 for Red Hat Enterprise Linux version 6 (ruby193-ruby) RHSA-2013:1427 October 15, 2013

External References


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

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.