Damn Vulnerable DeFi — Challenge #8 Walkthrough

Peter Kacherginsky
3 min readFeb 4, 2021

Automated Market Makers (AMMs) like Uniswap provide many essential services to the DeFi ecosystem including on-chain price feeds. These price oracles are used by lending, derivatives, stable coins, and other applications. Unfortunately, it is possible to manipulate these price feeds which resulted in several multi-million dollar hacks.

In the next challenge, we will develop one such exploit against an overly trusting lending pool. Here is the description:

There's a huge lending pool borrowing Damn Valuable Tokens (DVTs)…

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Peter Kacherginsky

Blockchain Security, Malware Analysis, Incident Response, Pentesting, BlockThreat.net