ruby and rubygem-rexml: patch CVE-2024-49761 (#10929)

Signed-off-by: Saul Paredes <[email protected]>
Co-authored-by: jslobodzian <[email protected]>

Author: Redent0r

SPECS/ruby/CVE-2024-49761.patch

@@ -0,0 +1,40 @@
+From 42ab972c3b93321be351539a24ee95d31523a35d Mon Sep 17 00:00:00 2001
+From: Saul Paredes <[email protected]>
+Date: Mon, 4 Nov 2024 12:40:10 -0800
+Subject: [PATCH] ruby: patch CVE-2024-49761
+
+Patch adapted from https://github.com/ruby/rexml/commit/ce59f2eb1aeb371fe1643414f06618dbe031979f
+which fixes CVE-2024-49761 per https://nvd.nist.gov/vuln/detail/CVE-2024-49761
+
+Needed for ruby versions < 3.2.0
+
+Signed-off-by: Saul Paredes <[email protected]>
+---
+ .../gems/rexml-3.2.5/lib/rexml/parsers/baseparser.rb   | 10 +++++++---
+ 1 file changed, 7 insertions(+), 3 deletions(-)
+
+diff --git a/.bundle/gems/rexml-3.2.5/lib/rexml/parsers/baseparser.rb b/.bundle/gems/rexml-3.2.5/lib/rexml/parsers/baseparser.rb
+index 305b120..4944074 100644
+--- a/.bundle/gems/rexml-3.2.5/lib/rexml/parsers/baseparser.rb
++++ b/.bundle/gems/rexml-3.2.5/lib/rexml/parsers/baseparser.rb
+@@ -467,10 +467,14 @@ module REXML
+         rv.gsub!( /\r\n?/, "\n" )
+         matches = rv.scan( REFERENCE_RE )
+         return rv if matches.size == 0
+-        rv.gsub!( /&#0*((?:\d+)|(?:x[a-fA-F0-9]+));/ ) {
++        rv.gsub!( /&#((?:\d+)|(?:x[a-fA-F0-9]+));/ ) {
+           m=$1
+-          m = "0#{m}" if m[0] == ?x
+-          [Integer(m)].pack('U*')
++          if m.start_with?("x")
++            code_point = Integer(m[1..-1], 16)
++          else
++            code_point = Integer(m, 10)
++          end
++          [code_point].pack('U*')
+         }
+         matches.collect!{|x|x[0]}.compact!
+         if matches.size > 0
+-- 
+2.25.1
+

SPECS/ruby/ruby.spec

@@ -83,7 +83,7 @@ Name:           ruby
 # provides should be versioned according to the ruby version.
 # More info: https://stdgems.org/
 Version:        3.1.4
-Release:        7%{?dist}
+Release:        8%{?dist}
 License:        (Ruby OR BSD) AND Public Domain AND MIT AND CC0 AND zlib AND UCD
 Vendor:         Microsoft Corporation
 Distribution:   Mariner
@@ -106,6 +106,8 @@ Patch3:         CVE-2024-27282.patch
 Patch4:         CVE-2024-35176.patch
 # Patch no longer needed if REXML gem is 3.3.3 or later. Now is 3.2.5
 Patch5:         CVE-2024-41946.patch
+# Patch no longer needed if REXML gem is 3.3.9 or later. Now is 3.2.5
+Patch6:         CVE-2024-49761.patch
 BuildRequires:  openssl-devel
 BuildRequires:  readline
 BuildRequires:  readline-devel
@@ -408,6 +410,9 @@ sudo -u test make test TESTS="-v"
 %{_rpmconfigdir}/rubygems.con
 
 %changelog
+* Mon Nov 04 2024 Saul Paredes <[email protected]> - 3.1.4-8
+- Patch CVE-2024-49761
+
 * Thu Sep 19 2024 Harshit Gupta <[email protected]> - 3.1.4-7
 - Patch CVE-2024-41946
 

SPECS/rubygem-rexml/CVE-2024-49761.patch

@@ -0,0 +1,40 @@
+From 73938fa3d122d9110b6128711af90667ecc7321a Mon Sep 17 00:00:00 2001
+From: Saul Paredes <[email protected]>
+Date: Mon, 4 Nov 2024 12:37:13 -0800
+Subject: [PATCH] rubygem-rexml: patch CVE-2024-49761
+
+Patch adapted from https://github.com/ruby/rexml/commit/ce59f2eb1aeb371fe1643414f06618dbe031979f
+which fixes CVE-2024-49761 per https://nvd.nist.gov/vuln/detail/CVE-2024-49761
+
+Needed for rubygem-rexml versions < 3.3.9
+
+Signed-off-by: Saul Paredes <[email protected]>
+---
+ lib/rexml/parsers/baseparser.rb | 10 +++++++---
+ 1 file changed, 7 insertions(+), 3 deletions(-)
+
+diff --git a/lib/rexml/parsers/baseparser.rb b/lib/rexml/parsers/baseparser.rb
+index d09237c..99e375c 100644
+--- a/lib/rexml/parsers/baseparser.rb
++++ b/lib/rexml/parsers/baseparser.rb
+@@ -474,10 +474,14 @@ module REXML
+         rv = string.gsub( /\r\n?/, "\n" )
+         matches = rv.scan( REFERENCE_RE )
+         return rv if matches.size == 0
+-        rv.gsub!( /&#0*((?:\d+)|(?:x[a-fA-F0-9]+));/ ) {
++        rv.gsub!( /&#((?:\d+)|(?:x[a-fA-F0-9]+));/ ) {
+           m=$1
+-          m = "0#{m}" if m[0] == ?x
+-          [Integer(m)].pack('U*')
++          if m.start_with?("x")
++            code_point = Integer(m[1..-1], 16)
++          else
++            code_point = Integer(m, 10)
++          end
++          [code_point].pack('U*')
+         }
+         matches.collect!{|x|x[0]}.compact!
+         if matches.size > 0
+-- 
+2.25.1
+

SPECS/rubygem-rexml/rubygem-rexml.spec

@@ -3,14 +3,15 @@
 Summary:        REXML is an XML toolkit for Ruby
 Name:           rubygem-%{gem_name}
 Version:        3.2.7
-Release:        2%{?dist}
+Release:        3%{?dist}
 License:        BSD
 Vendor:         Microsoft Corporation
 Distribution:   Mariner
 Group:          Development/Languages
 URL:            https://github.com/ruby/rexml
 Source0:        https://github.com/ruby/rexml/archive/refs/tags/v%{version}.tar.gz#/%{gem_name}-%{version}.tar.gz
 Patch0:         CVE-2024-41946.patch
+Patch1:         CVE-2024-49761.patch
 BuildRequires:  git
 BuildRequires:  ruby
 Requires:       ruby(release)
@@ -35,6 +36,9 @@ gem install -V --local --force --install-dir %{buildroot}/%{gemdir} %{gem_name}-
 %{gemdir}
 
 %changelog
+* Mon Nov 04 2024 Saul Paredes <[email protected]> - 3.2.7-3
+- Add patch for CVE-2024-49761
+
 * Thu Sep 19 2024 Harshit Gupta <[email protected]> - 3.2.7-2
 - Add patch for CVE-2024-41946