The "indexofwalletdat" vulnerability occurs when a web server has enabled and a wallet.dat file is accidentally stored in a publicly accessible directory. This allows search engines or malicious actors to find and download the wallet file, leading to the theft of funds.
The patch closed a window that was open for roughly 6 years (2011–2017). During that time, analysts estimate that 15,000 to 50,000 BTC were stolen via indexed wallet.dat files. The majority of these coins have never moved—likely because the thieves cannot crack the encryption, or the wallet was already empty. indexofwalletdat patched
For those who may not be familiar, wallet.dat is a file used by older versions of Bitcoin Core and other cryptocurrency wallets to store wallet data, including private keys, transaction history, and other relevant information. The file is essentially a database that contains all the necessary information to access and manage a user's cryptocurrency funds. During that time, analysts estimate that 15,000 to