File rubygem-rack-CVE-2022-30122.patch of Package rubygem-rack.32804

Index: rack-2.0.8/lib/rack/multipart/parser.rb
===================================================================
--- rack-2.0.8.orig/lib/rack/multipart/parser.rb
+++ rack-2.0.8/lib/rack/multipart/parser.rb
@@ -302,8 +302,9 @@ module Rack
           elsif filename = params['filename*']
             encoding, _, filename = filename.split("'", 3)
           end
-        when BROKEN_QUOTED, BROKEN_UNQUOTED
+        when BROKEN
           filename = $1
+          filename = $1 if filename =~ /^"(.*)"$/
         end
 
         return unless filename
Index: rack-2.0.8/lib/rack/multipart.rb
===================================================================
--- rack-2.0.8.orig/lib/rack/multipart.rb
+++ rack-2.0.8/lib/rack/multipart.rb
@@ -14,8 +14,7 @@ module Rack
     TOKEN = /[^\s()<>,;:\\"\/\[\]?=]+/
     CONDISP = /Content-Disposition:\s*#{TOKEN}\s*/i
     VALUE = /"(?:\\"|[^"])*"|#{TOKEN}/
-    BROKEN_QUOTED = /^#{CONDISP}.*;\sfilename="(.*?)"(?:\s*$|\s*;\s*#{TOKEN}=)/i
-    BROKEN_UNQUOTED = /^#{CONDISP}.*;\sfilename=(#{TOKEN})/i
+    BROKEN = /^#{CONDISP}.*;\s*filename=(#{VALUE})/i
     MULTIPART_CONTENT_TYPE = /Content-Type: (.*)#{EOL}/ni
     MULTIPART_CONTENT_DISPOSITION = /Content-Disposition:.*\s+name=(#{VALUE})/ni
     MULTIPART_CONTENT_ID = /Content-ID:\s*([^#{EOL}]*)/ni