Consensus flaw during block processing in go-ethereum
CVE-2021-39137

6.5MEDIUM

Key Information:

Vendor

Ethereum

Status
Go-ethereum
Vendor
CVE Published:
24 August 2021

What is CVE-2021-39137?

go-ethereum is the official Go implementation of the Ethereum protocol. In affected versions a consensus-vulnerability in go-ethereum (Geth) could cause a chain split, where vulnerable versions refuse to accept the canonical chain. Further details about the vulnerability will be disclosed at a later date. A patch is included in the upcoming v1.10.8 release. No workaround are available.

Affected Version(s)

go-ethereum >= 1.10.0, < 1.10.8

References

https://github.com/ethereum/go-ethereum/security/advisori...
x_refsource_CONFIRM
https://github.com/ethereum/go-ethereum/releases/tag/v1.10.8
x_refsource_MISC

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2021-39137 : Consensus flaw during block processing in go-ethereum