5

User @Swaldman made a great catch today and found a bug in ENS auction code:

https://github.com/ethereum/ens/issues/49

What are the various ways to fix/prevent this attack vector before deployment?

  • 2
    Without reading all of the details (or trying to understand it) - change _value to actualValue in those 3 places? :-) – Richard Horrocks Mar 14 '17 at 18:59
1

The fix is in https://github.com/ethereum/ens/pull/51/files and is as described by the comment by @Richard Horrocks: change _value to actualValue

For example:

} else if (_value > h.value) {

should be:

} else if (actualValue > h.value) {
  • Whilst this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference. :P – Afr Jun 7 '17 at 10:47

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