.jpg)
This affects users of the Alethzero GUI client on Windows. Users of the eth CLI client or those not on Windows are unlikely to be affected, but should take the action detailed below. Frontier geth CLI users are not affected.
Problem description: While setting privacy permissions on the key directory, insufficient error handling may result in key files not being written; This may be common on the Windows platform. As such, current versions of AlethZero and eth may include identities for which there is no primary key. AlethZero’s Ether Sell Claim function may automatically transfer funds to these missing identities.
the alternative solution: Users of AlethZero version 0.9.39 and earlier should not use the “Claim Pre-Sale Wallet” function; Users of AlethZero versions 0.9.39 and earlier should not attempt to mine or receive funds at their addresses.
Users of eth and AlethZero on all platforms should consider themselves secure once they confirm that they actually have the primary key. To check (with your current setup), run:
ethkey.exe –list
You may assume that all listed addresses already have a key behind them and do not suffer from this problem.
Remedial action taken by Ethereum:A new hotfix has been released with changes:
Repair: Versions 0.9.40 onwards, available from approximately 2015.08.07 at 18:30 CET.
