CVE-2022-37450 json
Go Ethereum allows attackers to use manipulation of time-difference values to achieve replacement of main-chain blocks
published 2022-08-05 4 y ago modified 2026-06-17 4 mo ago also GHSA-rqmg-hrg4-fm69 , EUVD-2022-6621
- cvss
- 5.9
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- geth Alpine 3.24, Alpine 3.23, Alpine 3.22 +6 more 1.10.22-r0
alpine advisories ALPINE-CVE-2022-37450
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
Exploit prediction
1.27% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/ethereum/go-ethereum/blob/671094279e8d27f4b4c3c94bf8b636c26b473976/core/forkchoice.go#L91-L94 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
| GitHub | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/ethereum/go-ethereum | <=1.10.21 |
no fix listed |
References
-
github.com
/ethereum/go-ethereum/blob/671094279e8d27f4b4c3c94bf8b636c26b473976/core/forkchoice.go#L91-L94
web, exploit, third-party-advisory
- medium.com /%40aviv.yaish/uncle-maker-time-stamping-out-the-competition-in-ethereum-d27c1cb62fef
-
dx.doi.org
/10.13140/RG.2.2.27813.99043
web, broken-link
-
news.ycombinator.com
/item?id=32354896
web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2022-37450
advisory
-
github.com
/ethereum/go-ethereum
package
-
medium.com
/@aviv.yaish/uncle-maker-time-stamping-out-the-competition-in-ethereum-d27c1cb62fef
web
Sources
- CVE List CVE-2022-37450
- GitHub Advisory GHSA-rqmg-hrg4-fm69
- NVD CVE-2022-37450
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