Update modules/exploits/unix/webapp/byob_unauth_rce.rb

Co-authored-by: Spencer McIntyre <[email protected]>

Author: Chocapikk

modules/exploits/unix/webapp/byob_unauth_rce.rb

@@ -262,18 +262,16 @@ module VARCHAR(15) NOT NULL,
             );
     SQL
 
-    file = Tempfile.new('database.db')
-    src_db = SQLite3::Database.new(file.path)
-    backup = SQLite3::Backup.new(src_db, 'main', mem_db, 'main')
-    backup.step(-1)
-    backup.finish
-
-    binary_data = File.binread(file.path)
-
-    base64_data = Rex::Text.encode_base64(binary_data)
-
-    file.close
-    file.unlink
+    base64_data = Tempfile.open('database.db') do |file|
+      src_db = SQLite3::Database.new(file.path)
+      backup = SQLite3::Backup.new(src_db, 'main', mem_db, 'main')
+      backup.step(-1)
+      backup.finish
+  
+      binary_data = File.binread(file.path)
+
+      Rex::Text.encode_base64(binary_data)
+    end
 
     base64_data
   end