CVE-2013-4287

Public on 2013-09-26
Modified on 2014-09-16
Description
Algorithmic complexity vulnerability in Gem::Version::VERSION_PATTERN in lib/rubygems/version.rb in RubyGems before 1.8.23.1, 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.
Severity
Medium severity
Medium
CVSS v3 Base Score
2.6
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 rubygems 2013-09-26 ALAS-2013-230 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv2 2.6 AV:N/AC:H/Au:N/C:N/I:N/A:P
NVD CVSSv2 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P