BingX, Aave Repay Adapter, Nexera, and 0xf2…48 Compromised for Over $100M via Wallet Breaches, Logic Flaws, and Phishing
BingX lost $44.7M after multiple hot wallets were compromised across Ethereum, BNB, and Polygon. Aave’s Repay Adapter was exploited for $56K due to excessive token allowances post-swap. A phishing attack drained $55.5M DAI from 0xf2…48’s Maker Vault. Nexera lost $449K after a malicious NPM package gave attackers access to Fundrs contracts.
In Brief
BingX was exploited for $44.7M.
Aave Repay Adapter lost $56K due to a logic vulnerability.
0xf2..48 was targeted in a $55.5M phishing attack.
Malicious malware exploit cost Nexera $449K.
Hacks Analysis
BingX | Amount Lost: $44.7M
On September 19th, the BingX exploit on multiple chains resulted in a $44.7M loss. The root cause of the attack was the compromise of multiple hot wallets across Ethereum mainnet, BNB Chain, and Polygon. The exploit involved more than ten contract addresses. The BingX team acknowledged the incident and confirmed that $1M in stolen funds has been frozen.
On August 28th, the Aave Repay Adapter exploit on multiple chains resulted in a $56K loss. The root cause of the exploit was a logic vulnerability in the private _buyOnParaSwap() function of the ParaSwapRepayAdapter contract. This function approved tokens based on the maxAmountToSwap, but executed swaps with a smaller paraswapData amount. This left a large leftover token allowance for the tokenTransferProxy. The attacker exploited this excessive allowance to withdraw tokens from the contract.
On August 20th, the exploit of 0xf2B889437F243396b29E829908b5d8ebE2e13048 on the Ethereum mainnet resulted in a $55.5M loss. The root cause was a phishing attack where the victim unknowingly signed a malicious transaction. The transaction allowed the attacker to gain control of the victim’s Maker Vault and transfer $55.5M DAI.
On August 7, the Nexera exploit on the Ethereum mainnet resulted in a $449K loss. The root cause of the attack was a Javascript malware called BeaverTail. The malware was hidden as a Node Package Manager (NPM) package. Using the malware, the attacker gained unauthorized access to the Fundrs platform contracts and stole the funds. The Nexera team acknowledged the incident and temporarily paused all transactions.
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Follow-up: Conduct a follow-up review to ensure that the remediation steps were effective and that the smart contract is now secure.
Follow-up: Conduct a follow-up review to ensure that the remediation steps were effective and that the smart contract is now secure.
In Brief
Remitano suffered a $2.7M loss due to a private key compromise.
GAMBL’s recommendation system was exploited.
DAppSocial lost $530K due to a logic vulnerability.
Rocketswap’s private keys were inadvertently deployed on the server.
Hacks
Hacks Analysis
Huobi | Amount Lost: $8M
On September 24th, the Huobi Global exploit on the Ethereum Mainnet resulted in a $8 million loss due to the compromise of private keys. The attacker executed the attack in a single transaction by sending 4,999 ETH to a malicious contract. The attacker then created a second malicious contract and transferred 1,001 ETH to this new contract. Huobi has since confirmed that they have identified the attacker and has extended an offer of a 5% white hat bounty reward if the funds are returned to the exchange.
