Vulnerability CVE-2021-39137


Published: 2021-08-24

Description:
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.

Type:

CWE-436

(Interpretation Conflict)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Ethereum -> Go ethereum 

 References:
https://github.com/ethereum/go-ethereum/releases/tag/v1.10.8
https://github.com/ethereum/go-ethereum/security/advisories/GHSA-9856-9gg9-qcmq

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