add patch for rubygem-rexml CVE-2024-35176 (#9242)
Co-authored-by: minghe <rmhsawyer>
This commit is contained in:
Minghe Ren
GitHub
Родитель
fea7c96a84
Коммит
222de009ea
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@ -0,0 +1,190 @@
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diff -ruN a/Gemfile b/Gemfile
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--- a/Gemfile 2021-04-05 04:43:38.000000000 -0700
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+++ b/Gemfile 2024-05-29 00:06:13.851182285 -0700
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@@ -4,3 +4,7 @@
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# Specify your gem's dependencies in rexml.gemspec
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gemspec
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+
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+group :development do
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+ gem "test-unit-ruby-core"
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+end
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diff -ruN a/lib/rexml/parsers/baseparser.rb b/lib/rexml/parsers/baseparser.rb
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--- a/lib/rexml/parsers/baseparser.rb 2021-04-05 04:43:38.000000000 -0700
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+++ b/lib/rexml/parsers/baseparser.rb 2024-05-28 18:53:32.656078157 -0700
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@@ -589,60 +589,41 @@
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def parse_attributes(prefixes, curr_ns)
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attributes = {}
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closed = false
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- match_data = @source.match(/^(.*?)(\/)?>/um, true)
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- if match_data.nil?
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- message = "Start tag isn't ended"
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- raise REXML::ParseException.new(message, @source)
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- end
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-
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- raw_attributes = match_data[1]
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- closed = !match_data[2].nil?
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- return attributes, closed if raw_attributes.nil?
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- return attributes, closed if raw_attributes.empty?
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-
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- scanner = StringScanner.new(raw_attributes)
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- until scanner.eos?
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- if scanner.scan(/\s+/)
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- break if scanner.eos?
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- end
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-
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- pos = scanner.pos
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- loop do
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- break if scanner.scan(ATTRIBUTE_PATTERN)
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- unless scanner.scan(QNAME)
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- message = "Invalid attribute name: <#{scanner.rest}>"
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- raise REXML::ParseException.new(message, @source)
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- end
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- name = scanner[0]
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- unless scanner.scan(/\s*=\s*/um)
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+ while true
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+ if @source.match(">", true)
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+ return attributes, closed
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+ elsif @source.match("/>", true)
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+ closed = true
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+ return attributes, closed
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+ elsif match = @source.match(QNAME, true)
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+ name = match[1]
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+ prefix = match[2]
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+ local_part = match[3]
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+ unless @source.match(/\s*=\s*/um, true)
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message = "Missing attribute equal: <#{name}>"
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raise REXML::ParseException.new(message, @source)
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end
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- quote = scanner.scan(/['"]/)
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- unless quote
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+ unless match = @source.match(/(['"])(.*?)\1\s*/um, true)
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+ if match = @source.match(/(['"])/, true)
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+ message =
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+ "Missing attribute value end quote: <#{name}>: <#{match[1]}>"
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+ raise REXML::ParseException.new(message, @source)
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+ else
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+ message = "Missing attribute value start quote: <#{name}>"
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+ raise REXML::ParseException.new(message, @source)
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+ end
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+ unless match = @source.match(/(['"])/, true)
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message = "Missing attribute value start quote: <#{name}>"
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raise REXML::ParseException.new(message, @source)
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end
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- unless scanner.scan(/.*#{Regexp.escape(quote)}/um)
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- match_data = @source.match(/^(.*?)(\/)?>/um, true)
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- if match_data
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- scanner << "/" if closed
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- scanner << ">"
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- scanner << match_data[1]
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- scanner.pos = pos
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- closed = !match_data[2].nil?
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- next
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- end
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- message =
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- "Missing attribute value end quote: <#{name}>: <#{quote}>"
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+ quote = match[1]
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+ value = @source.read_until(quote)
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+ unless value.chomp!(quote)
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+ message = "Missing attribute value end quote: <#{name}>: <#{quote}>"
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raise REXML::ParseException.new(message, @source)
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end
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- end
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- name = scanner[1]
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- prefix = scanner[2]
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- local_part = scanner[3]
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- # quote = scanner[4]
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- value = scanner[5]
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+ value = match[2]
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+ @source.match(/\s*/um, true)
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if prefix == "xmlns"
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if local_part == "xml"
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if value != "http://www.w3.org/XML/1998/namespace"
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diff -ruN a/lib/rexml/source.rb b/lib/rexml/source.rb
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--- a/lib/rexml/source.rb 2021-04-05 04:43:38.000000000 -0700
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+++ b/lib/rexml/source.rb 2024-05-28 17:10:36.356913505 -0700
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@@ -81,7 +81,11 @@
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rv
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end
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- def read
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+ def read(term = nil)
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+ end
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+
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+ def read_until(term)
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+ @scanner.scan_until(Regexp.union(term)) or @scanner.rest
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end
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def consume( pattern )
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@@ -204,11 +208,28 @@
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rv
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end
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- def read
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+ def read(term = nil)
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begin
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- @buffer << readline
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+ @scanner << readline(term)
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+ true
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rescue Exception, NameError
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@source = nil
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+ false
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+ end
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+ end
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+
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+ def read_until(term)
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+ pattern = Regexp.union(term)
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+ data = []
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+ begin
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+ until str = @scanner.scan_until(pattern)
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+ @scanner << readline(term)
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+ end
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+ rescue EOFError
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+ @scanner.rest
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+ else
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+ read if @scanner.eos? and !@source.eof?
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+ str
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end
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end
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@@ -263,8 +284,8 @@
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end
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private
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- def readline
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- str = @source.readline(@line_break)
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+ def readline(term = nil)
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+ str = @source.readline(term || @line_break)
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if @pending_buffer
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if str.nil?
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str = @pending_buffer
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diff -ruN a/test/test_document.rb b/test/test_document.rb
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--- a/test/test_document.rb 2021-04-05 04:43:38.000000000 -0700
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+++ b/test/test_document.rb 2024-05-29 00:08:01.164345808 -0700
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@@ -1,8 +1,12 @@
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# -*- coding: utf-8 -*-
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# frozen_string_literal: false
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+require 'core_assertions'
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+
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module REXMLTests
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class TestDocument < Test::Unit::TestCase
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+ include Test::Unit::CoreAssertions
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+
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def test_version_attributes_to_s
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doc = REXML::Document.new(<<-eoxml)
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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@@ -200,6 +204,13 @@
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assert_equal('no', doc.stand_alone?, bug2539)
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end
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+ def test_gt_linear_performance
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+ seq = [10000, 50000, 100000, 150000, 200000]
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+ assert_linear_performance(seq) do |n|
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+ REXML::Document.new('<test testing="' + ">" * n + '"></test>')
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+ end
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+ end
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+
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class WriteTest < Test::Unit::TestCase
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def setup
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@document = REXML::Document.new(<<-EOX)
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@ -3,13 +3,14 @@
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Summary: REXML is an XML toolkit for Ruby
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Name: rubygem-%{gem_name}
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Version: 3.2.5
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Release: 1%{?dist}
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Release: 2%{?dist}
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License: BSD
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Vendor: Microsoft Corporation
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Distribution: Mariner
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Group: Development/Languages
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URL: https://github.com/ruby/rexml
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Source0: https://github.com/ruby/rexml/archive/refs/tags/v%{version}.tar.gz#/%{gem_name}-%{version}.tar.gz
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Patch0: CVE-2024-35176.patch
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BuildRequires: git
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BuildRequires: ruby
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Requires: ruby(release)
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@ -20,7 +21,7 @@ REXML was inspired by the Electric XML library for Java, which features an easy-
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REXML supports both tree and stream document parsing. Stream parsing is faster (about 1.5 times as fast). However, with stream parsing, you don't get access to features such as XPath.
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%prep
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%setup -q -n %{gem_name}-%{version}
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%autosetup -p1 -n %{gem_name}-%{version}
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%build
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gem build %{gem_name}
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@ -34,6 +35,9 @@ gem install -V --local --force --install-dir %{buildroot}/%{gemdir} %{gem_name}-
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%{gemdir}
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%changelog
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* Tue May 28 2024 Minghe Ren <mingheren@microsoft.com> - 3.2.5-2
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- Add patch for CVE-2024-35176
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* Mon Jun 13 2022 Neha Agarwal <nehaagarwal@microsoft.com> - 3.2.5-1
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- License verified
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- Original version for CBL-Mariner
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