Submission Details
Severity:
`latestRoundData()` problem
Summary
This is the latestRoundData() problem, the contract call latestRoundData() but does not check the return value
Vulnerability Details
https://github.com/Cyfrin/2023-07-foundry-defi-stablecoin/blob/main/src/libraries/OracleLib.sol#L26
Impact
This could lead to stale prices according to the Chainlink documentation:
https://docs.chain.link/data-feeds/price-feeds/historical-data
Related report:
code-423n4/2021-05-fairside-findings#70
Tools Used
vs code
Recommendations
we can refer to :
https://github.com/sherlock-audit/2023-02-blueberry-judging/issues/94
Prize pool breakdown
Total prize
15,000 USDC
nSLOC
23664 USDC / LOC
14,000 USDC
1,000 USDC
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