Erroneous Proof of Work calculation in geth

CAO 7.5CVE-2020-26240 · GHSA-v592-xf75-856p · GO-2022-0775 · Công bố 25/11/2020 · cập nhật 17/06/2026

Tóm tắt nhanh

CVE-2020-26240 là lỗ hổng mức CAO (CVSS 7.5) ảnh hưởng github.com/ethereum/go-ethereum, go ethereum (ethereum).
Xác suất bị khai thác trong 30 ngày tới (EPSS): 1.9%, cao hơn 79.3% các lỗ hổng khác.
Cách xử lý: cập nhật lên 1.9.24 hoặc mới hơn.

Gói / sản phẩm	Phiên bản bị ảnh hưởng	Phiên bản đã vá
github.com/ethereum/go-ethereum Go	`< 1.9.24`	`1.9.24`
go ethereum ethereum	`< 1.9.24`	`1.9.24`

Mô tả

Impact

An ethash mining DAG generation flaw in Geth could cause miners to erroneously calculate PoW in an upcoming epoch (estimated early January, 2021). This happened on the ETC chain on 2020-11-06. This issue is relevant only for miners, non-mining nodes are unaffected.

Patches

This issue is also fixed as of 1.9.24. Thanks to @slavikus for bringing the issue to our attention and writing the fix.

Workarounds

This PR implements a patch: https://github.com/ethereum/go-ethereum/pull/21793

References

https://blog.ethereum.org/2020/11/12/geth_security_release/

For more information

If you have any questions or comments about this advisory:

Open an issue in go-ethereum
Email us at [email protected]

Mô tả của NVD

Go Ethereum, or "Geth", is the official Golang implementation of the Ethereum protocol. An ethash mining DAG generation flaw in Geth before version 1.9.24 could cause miners to erroneously calculate PoW in an upcoming epoch (estimated early January, 2021). This happened on the ETC chain on 2020-11-06. This issue is relevant only for miners, non-mining nodes are unaffected. This issue is fixed as of 1.9.24