MEDIUM 5.9 Go
Go Ethereum allows attackers to use manipulation of time-difference values to achieve replacement of main-chain blocks
GHSA-rqmg-hrg4-fm69 · CVE-2022-37450
Published · Modified
Description
Go Ethereum (aka geth) through 1.10.21 allows attackers to increase rewards by mining blocks in certain situations, and using a manipulation of time-difference values to achieve replacement of main-chain blocks, aka Riskless Uncle Making (RUM), as exploited in the wild in 2020 through 2022.
References
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2022-37450
- PACKAGE https://github.com/ethereum/go-ethereum
- WEB https://github.com/ethereum/go-ethereum/blob/671094279e8d27f4b4c3c94bf8b636c26b473976/core/forkchoice.go#L91-L94
- WEB https://medium.com/@aviv.yaish/uncle-maker-time-stamping-out-the-competition-in-ethereum-d27c1cb62fef
- WEB https://news.ycombinator.com/item?id=32354896
- WEB http://dx.doi.org/10.13140/RG.2.2.27813.99043
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