This script is Copyright (C) 2013-2015 Tenable Network Security, Inc.
The remote Amazon Linux AMI host is missing a security update.
Algorithmic complexity vulnerability in Gem::Version::VERSION_PATTERN
in lib/rubygems/version.rb in RubyGems before 18.104.22.168, 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.
See also :
Run 'yum update rubygems' to update your system.
Risk factor :
Medium / CVSS Base Score : 4.3