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rubygemsRubySecRUBY:RUBYGEMS-UPDATE-2013-4287-97163
HistorySep 08, 2013 - 8:00 p.m.

CVE-2013-4287 rubygems: version regex algorithmic complexity vulnerability

2013-09-0820:00:00
RubySec
rubysec.com
8

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.