Crypto exchange Uniswap $UNI exposed to critical vulnerability, dedaub experts say
The attack was possible as the router mechanism contains funds mid-transaction, and these funds can be withdrawn by an attacker. For instance, if account"A" transfers NFTs and then transfers funds to account"B," the latter is theoretically able to"reenter" the router and drain the funds.
The cybersecurity researchers advised the Uniswap team to implement a reentrance lock to the core execution of the new router and then redeploy this mechanism.Uniswap activated its Universal Router on Dec. 17, 2022. It significantly streamlined the processes of token swaps and made them more resource efficient.Dedaub experts announced that the Uniswap team implemented the security fix before the router gained traction among users of the decentralized exchange.
All funds of new and existing Uniswap users are 100% safe at this time. Also, Uniswap paid the bug bounty to the experts that unveiled the dangerous vulnerability. As covered by U.Today previously, in 2022, Uniswap registered a whopping $620 billion in trading volume on its swap engine despite the bearish recession.
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