Damn… Polygon lack of balance/allowance check fixed. $2.2M payout to whitehat.
Props to Polygon for the rapid response and the wh for the report. "Whitehat Leon Spacewalker reported a critical vulnerability in Polygon on December 3. The vulnerability consisted of a lack of balance/allowance check in the transfer function of Polygon’s MRC20 contract and would have allowed an attacker to steal all ~9,276,584,332 MATIC (as of…
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