Submission Details
Severity:
No check if Arbitrum L2 sequencer is down in Chainlink feeds
Summary
No check if Arbitrum L2 sequencer is down in Chainlink feeds
Vulnerability Details
Using Chainlink in L2 chains such as Arbitrum requires to check if the sequencer is down to avoid prices from looking like they are fresh although they are not.
The bug could be leveraged by malicious actors to take advantage of the sequencer downtime.
Impact
Tools Used
Recommendations
It is recommended to follow the code example of Chainlink:
https://docs.chain.link/data-feeds/l2-sequencer-feeds#example-code
Updates
Lead Judging Commences
hrishibhat over 1 year ago
Submission Judgement Published Reason: Known issue
Assigned finding tags:
Arbitrum-sequncer
Prize pool breakdown
Total prize
20,000 USDC
nSLOC
60933 USDC / LOC
17,500 USDC
2,500 USDC
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