debian-mirror-gitlab/config/initializers/wikicloth_disable_lua_patch.rb

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2022-03-02 08:16:31 +05:30
# frozen_string_literal: true
require 'wikicloth'
require 'wikicloth/extensions/lua'
# Adds patch to disable lua support to eliminate vulnerability to injection attack.
#
# The maintainers are not releasing new versions, so we need to patch it here.
#
# If they ever do release a version which contains a fix for this, then we can remove this file.
#
# See: https://gitlab.com/gitlab-org/gitlab/-/issues/345892#note_751107320
# Guard to ensure we remember to delete this patch if they ever release a new version of wikicloth
# which disables Lua by default or otherwise eliminates all vulnerabilities mentioned in
# https://gitlab.com/gitlab-org/gitlab/-/issues/345892, including the possibility of an HTML/JS
# injection attack as mentioned in https://gitlab.com/gitlab-org/gitlab/-/issues/345892#note_751981608
unless Gem::Version.new(WikiCloth::VERSION) == Gem::Version.new('0.8.1')
raise 'New version of WikiCloth detected, please either update the version for this check, ' \
'or remove this patch if no longer needed'
end
module WikiCloth
class LuaExtension < Extension
protected
def init_lua
@options[:disable_lua] = true
end
end
end