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.

Related CPE's

a

ethereum

go_ethereum

Vulnerable

References

http://dx.doi.org/10.13140/RG.2.2.27813.99043

Broken Link

https://github.com/ethereum/go-ethereum/blob/671094279e8d27f4b4c3c94bf8b636c26b473976/core/forkchoice.go#L91-L94

ExploitThird Party Advisory

https://medium.com/%40aviv.yaish/uncle-maker-time-stamping-out-the-competition-in-ethereum-d27c1cb62fef

https://news.ycombinator.com/item?id=32354896

Third Party Advisory

http://dx.doi.org/10.13140/RG.2.2.27813.99043

Broken Link

https://github.com/ethereum/go-ethereum/blob/671094279e8d27f4b4c3c94bf8b636c26b473976/core/forkchoice.go#L91-L94

ExploitThird Party Advisory

https://medium.com/%40aviv.yaish/uncle-maker-time-stamping-out-the-competition-in-ethereum-d27c1cb62fef

https://news.ycombinator.com/item?id=32354896

Third Party Advisory

Weaknesses

[email protected]

Primary
NVD-CWE-noinfo

CVSS impact metrics

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

5.9 · Medium

Information

Source identifier

[email protected]

Vulnerability status

Modified

Published

2022-08-05T19:15:09.087Z

3 years ago

Last modified

2024-11-21T06:15:00.200Z

1 year ago