ethereum/go-ethereum · Security
Go Ethereum allows attackers to use manipulation of time-difference values to achieve replacement of main-chain blocks
- GHSA ID
- GHSA-rqmg-hrg4-fm69
- CVE ID
- CVE-2022-37450
- Severity
- medium
- Published
- Updated
- CVSS
- 5.9 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- CVSS v3
- 5.9 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
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
- https://nvd.nist.gov/vuln/detail/CVE-2022-37450 ↗
- https://github.com/ethereum/go-ethereum/blob/671094279e8d27f4b4c3c94bf8b636c26b473976/core/forkchoice.go#L91-L94 ↗
- https://medium.com/@aviv.yaish/uncle-maker-time-stamping-out-the-competition-in-ethereum-d27c1cb62fef ↗
- https://news.ycombinator.com/item?id=32354896 ↗
- http://dx.doi.org/10.13140/RG.2.2.27813.99043 ↗
- https://github.com/advisories/GHSA-rqmg-hrg4-fm69 ↗