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