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Multichain crosschain protocol team fixes critical vulnerability

Multichain crosschain protocol team fixes critical vulnerability

Multichain (formerly Anyswap) crosschain protocol developers have reported finding and fixing a vulnerability affecting six tokens: WETH, PERI, OMT, WBNB, MATIC and AVAX.

1/A critical vulnerability that affected six tokens (WETH, PERI, OMT, WBNB, MATIC, AVAX) has been reported and fixed. All assets on both V2 Bridge and V3 Router are safe, and cross-chain transactions can be done safely. More info��https://t.co/Mm6yWMwlCS - Multichain (Previously Anyswap) (@MultichainOrg) January 17, 2022

According to the developers, the problem was discovered by Dedaub. Multichain urged those who approved any of the listed tokens to withdraw their approval. Otherwise, their funds are "at risk."

"No action is required of other users. [...] All crosschain transactions are secure," the statement said.

The developers promised to reveal the technical details of the incident at a later date.

January 18, 2022 | 12:31 PM Update: According to PeckShield, unknown people took advantage of an exploit. More than 450 ETH (~$1.4 million at the exchange rate at the time of writing) is stored at the address mentioned by analysts.

Stolen funds are currently held at this address, more than 450 Ether (~$1.34m)https://t.co/I8H6YXURBM - PeckShieldAlert (@PeckShieldAlert) January 18, 2022

January 18, 2022 | 12:55 PM Update: Multichain said 445 users have been affected by the attackers. Representatives of the project urged to follow the instructions published earlier to keep funds safe.

⚠️⚠️Users haven't revoked weth approval are currently being exploited (445weth total affected)! Remove approvals here: https://t.co/S9nDfrtS0G , as per yesterday's instructions (https://t.co/CBD4AdgzI6), to be sure your funds are safe. & ; Multichain (Previously Anyswap) (@MultichainOrg) January 18, 2022


As a reminder, Multichain raised $60 million in December 2021 from Binance Labs, Circle Ventures and the Tron Foundation.

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