This script is Copyright (C) 2014-2015 Tenable Network Security, Inc.
The remote Amazon Linux AMI host is missing a security update.
Algorithmic complexity vulnerability in
Gem::Version::ANCHORED_VERSION_PATTERN in lib/rubygems/version.rb in
RubyGems before 188.8.131.52, 1.8.24 through 1.8.26, 2.0.x before 2.0.10,
and 2.1.x before 2.1.5, 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. NOTE: this issue is due to an incomplete fix
for CVE-2013-4287 .
See also :
Run 'yum update ruby19' to update your system.
Risk factor :
Medium / CVSS Base Score : 4.3