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DeFi Hacks Reproduce - Foundry

Before 2021 - List of Past DeFi Incidents

48 incidents included.

20211221 Visor Finance

20211218 Grim Finance

20211214 Nerve Bridge

20211130 MonoX Finance

20211123 Ploutoz Finance

20211027 Cream Finance

20211015 Indexed Finance

20210916 SushiSwap Miso

20210915 Nimbus Platform

20210915 NowSwap Platform

20210912 ZABU Finance

20210903 DAO Maker

20210830 Cream Finance

20210817 XSURGE

20210811 Poly Network

20210804 WaultFinance

20210728 Levyathan Finance

20210710 Chainswap

20210702 Chainswap

20210628 SafeDollar

20210625 xWin Finance

20210622 Eleven Finance

20210607 88mph NFT

20210603 PancakeHunny

20210527 JulSwap

20210527 BurgerSwap

20210519 PancakeBunny

20210516 bEarn

20210508 Rari Capital

20210508 Value Defi

20210502 Spartan

20210428 Uranium

20210308 DODO

20210305 Paid Network

20210204 Yearn YDai

20210125 Sushi Badger Digg

20201229 Cover Protocol

20201121 Pickle Finance

20201026 Harvest Finance

20200912 bzx

20200804 Opyn Protocol

20200628 Balancer Protocol

20200618 Bancor Protocol

20200419 LendfMe

20200418 UniSwapV1

20180424 SmartMesh

20180422 Beauty Chain

20171106 Parity - 'Accidentally Killed It'

20211221 Visor Finance - Reentrancy

Lost: $8.2 million

Testing

forge test --contracts ./src/test/2021-12/Visor_exp.sol -vv

Contract

Visor_exp.sol

Link reference

https://beosin.medium.com/two-vulnerabilities-in-one-function-the-analysis-of-visor-finance-exploit-a15735e2492

https://twitter.com/GammaStrategies/status/1473306777131405314

https://etherscan.io/tx/0x69272d8c84d67d1da2f6425b339192fa472898dce936f24818fda415c1c1ff3f

20211218 Grim Finance - Flashloan & Reentrancy

Lost: $30 million

Testing

forge test --contracts ./src/test/2021-12/Grim_exp.sol -vv

Contract

Grim_exp.sol

Link reference

https://cointelegraph.com/news/defi-protocol-grim-finance-lost-30m-in-5x-reentrancy-hack

https://rekt.news/grim-finance-rekt/

https://ftmscan.com/tx/0x19315e5b150d0a83e797203bb9c957ec1fa8a6f404f4f761d970cb29a74a5dd6

20211214 Nerve Bridge - Swap Metapool Attack

Lost: 900 BNB

Testing

forge test --contracts ./src/test/2021-12/NerveBridge_exp.sol -vv

Contract

NerveBridge_exp.sol

Link reference

https://blocksecteam.medium.com/the-analysis-of-nerve-bridge-security-incident-ead361a21025

20211130 MonoX Finance - Price Manipulation

Lost: $31 million

Testing

forge test --contracts ./src/test/2021-11/Mono_exp.sol -vv

Contract

Mono_exp.sol

Link reference

https://slowmist.medium.com/detailed-analysis-of-the-31-million-monox-protocol-hack-574d8c44a9c8

https://knownseclab.com/news/61a986811992da0067558749

https://www.tuoniaox.com/news/p-521076.html

https://polygonscan.com/tx/0x5a03b9c03eedcb9ec6e70c6841eaa4976a732d050a6218969e39483bb3004d5d

https://etherscan.io/tx/0x9f14d093a2349de08f02fc0fb018dadb449351d0cdb7d0738ff69cc6fef5f299

20211123 Ploutoz - Flash Loan

Lost: 365K

Testing

forge test --contracts ./src/test/2021-11/Ploutoz_exp.sol -vvv --evm-version shanghai

Contract

Ploutoz_exp.sol

Link reference

https://x.com/peckshield/status/1463113809111896065

20211027 CreamFinance - Price Manipulation

Lost: $130M

Testing

 forge test --contracts ./src/test/2021-10/Cream_2_exp.sol -vvv

Contract

Cream_2_exp.sol

Link reference

https://medium.com/immunefi/hack-analysis-cream-finance-oct-2021-fc222d913fc5

20211015 Indexed Finance - Price Manipulation

Lost: $16M

Testing

forge test --contracts src/test/2021-10/IndexedFinance_exp.sol -vv

Contract

IndexedFinance_exp.sol

Link reference

https://blocksecteam.medium.com/the-analysis-of-indexed-finance-security-incident-8a62b9799836

20210916 SushiSwap Miso

Lost: All funds returned

Testing

forge test --contracts ./src/test/2021-09/Sushimiso_exp.sol -vv

Contract

Sushimiso_exp.sol

Link reference

https://www.paradigm.xyz/2021/08/two-rights-might-make-a-wrong

https://etherscan.io/tx/0x78d6355703507f88f2090eb780d245b0ab26bf470eabdb004761cedf3b1cda44

20210915 Nimbus Platform

Lost: 1.45 ETH

Testing

forge test --contracts ./src/test/2021-09/Nimbus_exp.sol -vv

Contract

Nimbus_exp.sol

Link reference

https://twitter.com/BlockSecTeam/status/1438100688215560192

20210915 NowSwap Platform

Lost: 158.28 WETH and 535,706 USDT

Testing

forge test --contracts ./src/test/2021-09/NowSwap_exp.sol -vv

Contract

NowSwap_exp.sol

Link reference

https://twitter.com/BlockSecTeam/status/1438100688215560192

20210912 ZABU Finance - Deflationary token uncompatible

Testing

forge test --contracts src/test/2021-09/ZABU_exp.sol -vvv

Contract

ZABU_exp.sol

Link reference

https://slowmist.medium.com/brief-analysis-of-zabu-finance-being-hacked-44243919ea29

20210903 DAO Maker - Bad Access Controal

Lost: $4 million

Testing

forge test --contracts ./src/test/2021-09/DaoMaker_exp.sol -vv

Contract

DaoMaker_exp.sol

Link reference

https://twitter.com/Mudit__Gupta/status/1434059922774237185

https://etherscan.io/tx/0xd5e2edd6089dcf5dca78c0ccbdf659acedab173a8ab3cb65720e35b640c0af7c

20210830 Cream Finance - Flashloan Attack + Reentrancy

Lost: $18 million

Testing

forge test --contracts ./src/test/2021-08/Cream_exp.sol -vv

Contract

Cream_exp.sol

Link reference

https://twitter.com/peckshield/status/1432249600002478081

https://twitter.com/creamdotfinance/status/1432249773575208964

https://etherscan.io/tx/0xa9a1b8ea288eb9ad315088f17f7c7386b9989c95b4d13c81b69d5ddad7ffe61e

20210817 XSURGE - Flashloan Attack + Reentrancy

Lost: $5 million

Testing

forge test --contracts ./src/test/2021-08/XSURGE_exp.sol -vv

Contract

XSURGE_exp.sol

Link reference

https://beosin.medium.com/a-sweet-blow-fb0a5e08657d

https://medium.com/@Knownsec_Blockchain_Lab/knownsec-blockchain-lab-comprehensive-analysis-of-xsurge-attacks-c83d238fbc55

https://bscscan.com/tx/0x8c93d6e5d6b3ec7478b4195123a696dbc82a3441be090e048fe4b33a242ef09d

20210811 Poly Network - Bridge, getting around modifier through cross-chain message

Lost: $611 million

Testing

forge test --contracts ./src/test/2021-08/PolyNetwork_exp.sol -vv

Contract

PolyNetwork_exp.sol

Link reference

https://rekt.news/polynetwork-rekt/

https://slowmist.medium.com/the-root-cause-of-poly-network-being-hacked-ec2ee1b0c68f

https://etherscan.io/tx/0xb1f70464bd95b774c6ce60fc706eb5f9e35cb5f06e6cfe7c17dcda46ffd59581/advanced

https://github.com/polynetwork/eth-contracts/tree/d16252b2b857eecf8e558bd3e1f3bb14cff30e9b

https://www.breadcrumbs.app/reports/671

FIX

One of the biggest design lessons that people need to take away from this is: if you have cross-chain relay contracts like this, MAKE SURE THAT THEY CAN'T BE USED TO CALL SPECIAL CONTRACTS. The EthCrossDomainManager shouldn't have owned the EthCrossDomainData contract.

20210804 WaultFinace - FlashLoan price manipulation

Lost: 390 ETH

Testing

forge test --contracts ./src/test/2021-08/WaultFinance_exp.sol -vvv

Contract

WaultFinance_exp.sol

Link reference

https://medium.com/@Knownsec_Blockchain_Lab/wault-finance-flash-loan-security-incident-analysis-368a2e1ebb5b

https://inspexco.medium.com/wault-finance-incident-analysis-wex-price-manipulation-using-wusdmaster-contract-c344be3ed376

20210728 Levyathan Finance - (I) Lost keys and minting (II) Vulnerable emergencyWithdraw

Lost: $1.5 million

Testing

forge test --contracts ./src/test/2021-07/Levyathan_exp.sol -vv

Contract

Levyathan_exp.sol

Link reference

https://levyathan-index.medium.com/post-mortem-levyathan-c3ff7f9a6f65

20210710 Chainswap - Bridge, logic flaw

Lost: $4.4 million

Testing

forge test --contracts ./src/test/2021-07/Chainswap_exp2.sol -vv

Contract

Chainswap_exp2.sol

Link reference

https://twitter.com/real_n3o/status/1414071223940571139

https://rekt.news/chainswap-rekt/

https://chain-swap.medium.com/chainswap-exploit-11-july-2021-post-mortem-6e4e346e5a32

20210702 Chainswap - Bridge, logic flaw

Lost: $.8 million

Testing

forge test --contracts ./src/test/2021-07/Chainswap_exp1.sol -vv

Contract

Chainswap_exp1.sol

Link reference

https://chain-swap.medium.com/chainswap-post-mortem-and-compensation-plan-90cad50898ab

20210628 SafeDollar - Deflationary token uncompatible

Lost: $.2 million

Testing

forge test --contracts src/test/2021-06/SafeDollar_exp.sol -vvv

Contract

SafeDollar_exp.sol

Link reference

https://twitter.com/peckshield/status/1409443556251430918

20210625 xWin Finance - subscription-incentive-mechanism

Lost: ~$300k

Testing

forge test --contracts src/test/2021-06/xWin_exp.sol -vvv

Contract

xWin_exp.sol

Link reference

https://peckshield.medium.com/xwin-finance-incident-root-cause-analysis-71d0820e6bc1

20210622 Eleven Finance - Doesn’t burn shares

Testing

forge test --contracts ./src/test/2021-06/Eleven_exp.sol -vv

Contract

Eleven.sol

Link reference

https://peckshield.medium.com/eleven-finance-incident-root-cause-analysis-123b5675fa76

https://bscscan.com/tx/0xeaaa8f4d33b1035a790f0d7c4eb6e38db7d6d3b580e0bbc9ba39a9d6b80dd250

20210607 88mph NFT - Access control

Testing

forge test --contracts ./src/test/2021-06/88mph_exp.sol -vv

Contract

88mph_exp.sol

Link reference

https://medium.com/immunefi/88mph-function-initialization-bug-fix-postmortem-c3a2282894d3

20210603 PancakeHunny - Incorrect calculation

Testing

forge test --contracts ./src/test/2021-06/PancakeHunny_exp.sol -vv

Contract

PancakeHunny_exp.sol

Link reference

https://medium.com/hunnyfinance/pancakehunny-post-mortem-analysis-de78967401d8

https://bscscan.com/tx/0x765de8357994a206bb90af57dcf427f48a2021f2f28ca81f2c00bc3b9842be8e

20210527 JulSwap - Flash Loan

Lost: 1.5M

forge test --contracts ./src/test/2021-05/JulSwap_exp.sol -vvv --evm-version shanghai

Contract

JulSwap_exp.sol

Link reference

https://x.com/tg_cryptos/status/1398090345368408064

20210527 BurgerSwap - Mathematical flaw + Reentrancy

Testing

forge test --contracts src/test/2021-05/BurgerSwap_exp.sol -vv

Contract

BurgerSwap_exp.sol

Link reference

https://twitter.com/Mudit__Gupta/status/1398156036574306304

20210519 PancakeBunny - Price Oracle Manipulation

Testing

forge test --contracts ./src/test/2021-05/PancakeBunny_exp.sol -vv

Contract

PancakeBunny_exp.sol

Link reference

https://rekt.news/pancakebunny-rekt/

https://bscscan.com/tx/0x897c2de73dd55d7701e1b69ffb3a17b0f4801ced88b0c75fe1551c5fcce6a979

20210516 bEarn - Logic Flaw

Lost: 11M

forge test --contracts ./src/test/2021-05/bEarn_exp.sol -vvv --evm-version shanghai

Contract

bEarn_exp.sol

Link reference

https://bearndao.medium.com/bvaults-busd-alpaca-strategy-exploit-post-mortem-and-bearn-s-compensation-plan-b0b38c3b5540

20210509 RariCapital - Cross Contract Reentrancy

Testing

forge test --contracts ./src/test/2021-05/RariCapital_exp.sol -vv

Contract

RariCapital_exp.sol

Link reference

https://rekt.news/rari-capital-rekt/

https://etherscan.com/tx/0x171072422efb5cd461546bfe986017d9b5aa427ff1c07ebe8acc064b13a7b7be

20210508 Value Defi - Cross Contract Reentrancy

Testing

forge test --contracts ./src/test/2021-05/ValueDefi_exp.sol -vv

Contract

ValueDefi_exp.sol

Link reference

https://rekt.news/rari-capital-rekt/

https://bscscan.com/tx/0xa00def91954ba9f1a1320ef582420d41ca886d417d996362bf3ac3fe2bfb9006

20210502 Spartan - Logic Flaw

Lost: $30.5M

Testing

forge test --contracts src/test/2021-05/Spartan_exp.sol -vv

Contract

Spartan_exp.sol

Link reference

https://rekt.news/spartan-rekt/

20210428 Uranium - Miscalculation

Lost: $50 million

Testing

forge test --contracts ./src/test/2021-04/Uranium_exp.sol -vv

Contract

Uranium_exp.sol

Link reference

https://twitter.com/FrankResearcher/status/1387347025742557186

https://bscscan.com/tx/0x5a504fe72ef7fc76dfeb4d979e533af4e23fe37e90b5516186d5787893c37991

20200912 bzx - Incorrect transfer

Lost:

forge test --contracts ./src/test/2020-09/bzx_exp.sol -vvv

Contract

bzx_exp.sol

Link reference

https://twitter.com/0x000000000marc/status/1305354469354303488

20180424 SmartMesh - Overflow

Lost: 140M

forge test --contracts ./src/test/2018-04/SmartMesh_exp.sol -vvv

Contract

SmartMesh_exp.sol

Link reference

https://cryptojobslist.com/blog/two-vulnerable-erc20-contracts-deep-dive-beautychain-smartmesh

20210308 DODO - Flashloan Attack

Lost: $700,000

Testing

forge test --contracts ./src/test/2021-03/dodo_flashloan_exp.sol -vv

Contract

dodo_flashloan_exp.sol

Link reference

https://blog.dodoex.io/dodo-pool-incident-postmortem-with-a-little-help-from-our-friends-327e66872d42

https://halborn.com/explained-the-dodo-dex-hack-march-2021/

https://etherscan.io/tx/0x395675b56370a9f5fe8b32badfa80043f5291443bd6c8273900476880fb5221e

20210305 Paid Network - Private key compromised

Lost: $3 million

Testing

forge test --contracts ./src/test/2021-03/PAID_exp.sol -vv

Contract

PAID_exp.sol

Link reference

https://paidnetwork.medium.com/paid-network-attack-postmortem-march-7-2021-9e4c0fef0e07

https://etherscan.io/tx/0x4bb10927ea7afc2336033574b74ebd6f73ef35ac0db1bb96229627c9d77555a0

20210204 Yearn YDai - Slippage proection absent

Lost: 11 Million $

Testing

forge test --contracts ./src/test/2021-02/Yearn_ydai_exp.sol -vv

Contract

Yearn_ydai.sol

Link reference

https://github.com/yearn/yearn-security/blob/master/disclosures/2021-02-04.md

https://etherscan.io/tx/0x59faab5a1911618064f1ffa1e4649d85c99cfd9f0d64dcebbc1af7d7630da98b

20210125 Sushi Badger Digg - Sandwich attack

Lost: 81.68 ETH

Testing

forge test --contracts src/test/2021-01/Sushi_Badger_Digg_exp.sol -vvvv

Contract

Sushi-Badger_Digg.exp.sol

Link reference

https://cmichel.io/replaying-ethereum-hacks-sushiswap-badger-dao-digg/

20201229 Cover Protocol

Testing

forge test --contracts ./src/test/2020-12/Cover_exp.sol -vv

Contract

Cover_exp.sol

Link reference

https://mudit.blog/cover-protocol-hack-analysis-tokens-minted-exploit/

https://slowmist.medium.com/a-brief-analysis-of-the-cover-protocol-hacked-event-700d747b309c

20201121 Pickle Finance

Lost: $20 million

Testing

forge test --contracts ./src/test/2020-11/Pickle_exp.sol -vv

Contract

Pickle_exp.sol

Link reference

https://github.com/banteg/evil-jar

https://etherscan.io/tx/0xe72d4e7ba9b5af0cf2a8cfb1e30fd9f388df0ab3da79790be842bfbed11087b0

20201026 Harvest Finance - Flashloan Attack

Lost: $33.8 million

Testing

forge test --contracts ./src/test/2020-10/HarvestFinance_exp.sol -vv

Contract

HarvestFinance_exp.sol

Link reference

https://rekt.news/harvest-finance-rekt/

https://etherscan.io/tx/0x35f8d2f572fceaac9288e5d462117850ef2694786992a8c3f6d02612277b0877

20200804 Opyn Protocol - msgValue in loop

Testing

forge test --contracts ./src/test/2020-08/Opyn_exp.sol -vv

Contract

Opyn.exp.sol

Link reference

https://medium.com/opyn/opyn-eth-put-exploit-post-mortem-1a009e3347a8

https://etherscan.io/tx/0x56de6c4bd906ee0c067a332e64966db8b1e866c7965c044163a503de6ee6552a

20200628 Balancer Protocol - Token Incompatible

Testing

forge test --contracts ./src/test/2020-06/Balancer_20200628_exp.sol -vv

Contract

Balancer_20200628_exp.sol

Link reference

https://slowmist.medium.com/detailed-analysis-of-balancer-hack-de8bd86020de

https://etherscan.io/tx/0x013be97768b702fe8eccef1a40544d5ecb3c1961ad5f87fee4d16fdc08c78106

20200618 Bancor Protocol - Access Control

Testing

forge test --contracts ./src/test/2020-06/Bancor_exp.sol -vv

Contract

Bancor_exp.sol

Link reference

https://blog.bancor.network/bancors-response-to-today-s-smart-contract-vulnerability-dc888c589fe4

https://etherscan.io/address/0x5f58058c0ec971492166763c8c22632b583f667f

20200419 LendfMe - ERC777 Reentrancy

Lost: $25,000,000

Testing

forge test --contracts ./src/test/2020-04/LendfMe_exp.sol -vv

Contract

LendfMe_exp

Link reference

https://peckshield.medium.com/uniswap-lendf-me-hacks-root-cause-and-loss-analysis-50f3263dcc09

20200418 UniSwapV1 - ERC777 Reentrancy

Lost: $220,000

Testing

forge test --contracts ./src/test/2020-04/uniswap-erc777.sol -vv

Contract

uniswap-erc777.sol

Link reference

https://blog.blockmagnates.com/detailed-explanation-of-uniswaps-erc777-re-entry-risk-8fa5b3738e08

20180422 Beauty Chain - Integer Overflow

Lost: $900 million

Testing

forge test --contracts ./src/test/2018-04/BEC_exp.sol -vv

Contract

BEC_exp.sol

Link reference

https://etherscan.io/tx/0xad89ff16fd1ebe3a0a7cf4ed282302c06626c1af33221ebe0d3a470aba4a660f

https://etherscan.io/address/0xc5d105e63711398af9bbff092d4b6769c82f793d#code

20171106 Parity - 'Accidentally Killed It'

Lost: 514k ETH

Testing

forge test --contracts ./src/test/2017-11/Parity_kill_exp.sol -vvvv

Contract

Parity_kill.sol

Link reference

https://elementus.io/blog/which-icos-are-affected-by-the-parity-wallet-bug/

https://etherscan.io/tx/0x05f71e1b2cb4f03e547739db15d080fd30c989eda04d37ce6264c5686e0722c9

https://etherscan.io/tx/0x47f7cff7a5e671884629c93b368cb18f58a993f4b19c2a53a8662e3f1482f690