CoinDesk reports a Bitcoin wallet bug let attackers replace legitimate transactions with fake ones and wait for users to approve higher fees, with at least one person losing funds. CoinDesk
coindesk.comBitcoin wallet bug let rogue servers steal funds when users tried to speed up paymentsAttackers replaced legitimate transactions with fake ones, then waited for users to approve higher fees. At least one person lost bitcoin before developers patched the flaw.
What should wallet software verify before it lets a user approve a fee bump?
