Tech

CoW Swap hacker mis nyuj ntau dua 550 BNB siv 'solver' exploit

02/08/2023
Cov Xov Xwm Bitcoin Ethereum

Decentralized exchange (DEX) raws tu qauv CoW Swap nyuam qhuav raug kev tawm tsam, poob tsawg kawg yog 550 BNB (BNB) nyob rau hauv ib daim ntawv cog lus exploit uas pom zoo hloov nyiaj los ntawm txoj cai.

Blockchain tus kws tshawb fawb MevRefund tau tshaj tawm qhov kev tshwm sim thiab pom tias cov nyiaj zoo li tau tsiv tawm ntawm CoW Swap. Qhov siab tshaj plaws rho tawm tus nqi (MEV) tus neeg tshawb nrhiav ceeb toom rau DEX thiab nws cov neeg siv ntawm kev siv hauv Twitter xov.

raws li mus rau cov ntawv cog lus ntse auditing tuam txhab BlockSec, lub hnab nyiaj chaw nyob tau ntxiv raws li "kev daws teeb meem" ntawm CoW Swap los ntawm multisig. Tom qab ntawd, qhov chaw nyob tau hu rau kev sib pauv kom pom zoo DAI (DAI) rau SwapGuard, uas ua rau SwapGuard hloov DAI los ntawm CoW Swap cog lus cog lus rau lwm qhov chaw. 

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Blockchain kev ruaj ntseg ruaj khov PeckShield kwv yees tias ib ncig ntawm 551 BNB tau ploj, muaj nqis $ 181,600 thaum lub sijhawm sau ntawv. Tom qab nyiag cov khoom muaj nqis, tus neeg nyiag nkas tau tsiv cov nyiaj mus rau qhov tsis zoo crypto khoom siv Tornado Cash.

Flowchart qhia kev txav ntawm cov nyiaj nyiag los ntawm CoW Swap. Tau qhov twg los: PeckShield

Thaum muaj kev tawm tsam, qee cov neeg hauv zej zog tau ntshai thiab hais tias cov neeg siv kom tshem tawm kev pom zoo los ntawm DEX. Txawm li cas los xij, txoj cai tswj hwm kev tswj hwm nyiaj txiag (DeFi) tau hais tias qhov no tsis tsim nyog.

Raws li CoW Swap, daim ntawv cog lus siv kev sib cog lus tsuas yog nkag mus rau cov nqi uas cov txheej txheem sau tau hauv ib lub lis piam. Pab neeg hais tias tias nws tsis tuaj yeem nkag mus rau cov neeg siv nyiaj yam tsis muaj kev txiav txim kos npe los ntawm cov neeg siv ncaj qha. Pab pawg DEX piav qhia lawv qhov kev soj ntsuam tag nrho ntawm qhov tshwm sim hauv kev tshaj tawm Twitter. CoW Swap tseem hais rau Cointelegraph tias "cov neeg siv nyiaj tsis muaj kev pheej hmoo, thiab yeej tsis muaj kev pheej hmoo."

Related: Kev ceeb toom kev dag: MetaMask ceeb toom cov neeg siv crypto txog qhov chaw nyob lom

Lub caij no, txawm tias cov hacks nyob ib puag ncig DeFi, qhov chaw muaj muaj qhov pib loj hlob hauv 2023Raws li tsab ntawv ceeb toom los ntawm DappRadar. Cov ntaub ntawv qhia tau hais tias cov txheej txheem pom kev loj hlob tseem ceeb hauv lawv cov nqi tag nrho raug kaw nyob rau lub Ib Hlis.

Hauv lwm cov xov xwm, United Nations kuj tau tshaj tawm tias North Kauslim hackers nyiag ntau crypto hauv 2022 piv nrog rau lwm xyoo. Daim ntawv tshaj tawm kwv yees tias hackers txuas rau North Kauslim yog lub luag haujlwm rau thaj tsam $ 630 lab rau $ 1 nphom hauv kev nyiag khoom crypto xyoo tas los.

Tsis lees paub: Cov kab lus no tau hloov kho nrog CoW Swap cov lus thiab cov lus tshaj tawm hauv Twitter.