CVE-2023-40591

Denial of service via malicious p2p message in go-ethereum

Description

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.26%
Third-Party Advisory github.com
Affected: ethereum go-ethereum
Published at:
Updated at:

References

Link Tags
https://github.com/ethereum/go-ethereum/security/advisories/GHSA-ppjg-v974-84cm third party advisory
https://geth.ethereum.org/docs/developers/geth-developer/disclosures product
https://github.com/ethereum/go-ethereum/releases/tag/v1.12.1 release notes

Frequently Asked Questions

What is the severity of CVE-2023-40591?
CVE-2023-40591 has been scored as a high severity vulnerability.
How to fix CVE-2023-40591?
To fix CVE-2023-40591, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-40591 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-40591 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-40591?
CVE-2023-40591 affects ethereum go-ethereum.
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