e9f7425123
update cev num update spec (cherry picked from commit a5dd8df398d9bff8dc96ddc2f84959d93b6ca711)
28 lines
1.2 KiB
Diff
28 lines
1.2 KiB
Diff
From a7cda7e6aa5334ab41b1f4b0f671be931be946ef Mon Sep 17 00:00:00 2001
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From: John Hawthorn <john@hawthorn.email>
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Date: Wed, 11 Jan 2023 10:14:55 -0800
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Subject: [PATCH] Avoid regex backtracking in Inflector.underscore
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[CVE-2023-22796]
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---
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activesupport/lib/active_support/inflector/methods.rb | 3 +--
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1 file changed, 1 insertion(+), 2 deletions(-)
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diff --git a/activesupport-6.1.4.1/lib/active_support/inflector/methods.rb b/activesupport-6.1.4.1/lib/active_support/inflector/methods.rb
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index ad136532bf..acb86fe1a4 100644
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--- a/activesupport-6.1.4.1/lib/active_support/inflector/methods.rb
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+++ b/activesupport-6.1.4.1/lib/active_support/inflector/methods.rb
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@@ -93,8 +93,7 @@ def underscore(camel_cased_word)
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return camel_cased_word unless /[A-Z-]|::/.match?(camel_cased_word)
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word = camel_cased_word.to_s.gsub("::", "/")
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word.gsub!(inflections.acronyms_underscore_regex) { "#{$1 && '_' }#{$2.downcase}" }
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- word.gsub!(/([A-Z\d]+)([A-Z][a-z])/, '\1_\2')
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- word.gsub!(/([a-z\d])([A-Z])/, '\1_\2')
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+ word.gsub!(/([A-Z])(?=[A-Z][a-z])|([a-z\d])(?=[A-Z])/) { ($1 || $2) << "_" }
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word.tr!("-", "_")
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word.downcase!
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word
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--
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2.35.1
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