Add empty string check

2019-07-18 14:23:14 -05:00 · 2019-07-18 14:23:14 -05:00 · 77a442a1c3
parent f0b758e956
commit 77a442a1c3
1 changed files with 5 additions and 0 deletions
--- a/lib/rex/text/xor.rb
+++ b/lib/rex/text/xor.rb
@ -29,6 +29,11 @@ module Rex::Text
      xor_key = [xor_key].pack('C')
    end

+    # Check for empty strings
+    if xor_key.empty? || value.empty?
+      raise ArgumentError, 'XOR key and value must not be empty'
+    end
+
    # Get byte arrays for key and value
    xor_key   = xor_key.bytes
    xor_value = value.bytes