CVE-2023-40591 HIGH

CVE-2023-40591: Denial of service via malicious p2p message in go-ethereum

Vendor Ethereum
Product go-ethereum
Weakness CWE-400
Published September 6, 2023
Last update September 26, 2024

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

go-ethereum (geth) is a golang execution layer implementation of the Ethereum protocol. A vulnerable node, can be made to consume unbounded amounts of memory when handling specially crafted p2p messages sent from an attacker node. The fix is included in geth version `1.12.1-stable`, i.e, `1.12.2-unstable` and onwards. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Key dates

02Disclosure timeline

September 6, 2023 CVE published
September 26, 2024 Record updated