nTokenERC20Proxy emits events even when not success

Handle cmichel Vulnerability details Vulnerability Details The nTokenERC20Proxy functions emit events all the time, even if the return value from the inner call returns false indicating an unsuccessful action. Impact An off-chain script scanning for Transfer or Approval events can be tricked into...

Malicious router can block cross-chain-transfers

Handle cmichel Vulnerability details Vulnerability Details The agreement between the user and the router seems to already happen off-chain because all the fields are required for the initial InvariantTransactionData call already. A router could pretend to take on a user's cross-chain transfer, th...

Design/Logic Flaw

Prior to 0.11.0-beta, LND Lightning Network Daemon had a vulnerability in its invoice database. While claiming on-chain a received HTLC output, it didn't verify that the corresponding outgoing off-chain HTLC was already settled before releasing the preimage. In the case of a hash-and-amount...