CVE-2024-32972 go-ethereum denial of service via malicious p2p message
An attacker can cause a go-ethereum node to consume excessive memory via crafted p2p messages, leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-32972?
CVE-2024-32972 is a high-severity denial of service vulnerability in go-ethereum, published on 6 May 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
go-ethereum (geth) is a golang execution layer implementation of the Ethereum protocol. Prior to 1.13.15, a vulnerable node can be made to consume very large amounts of memory when handling specially crafted p2p messages sent from an attacker node. The fix has been included in geth version `1.13.15` and onwards.
Weakness: CWE-400
Which versions are affected by CVE-2024-32972?
3 open source packages ship an affected version, including github.com/ethereum/go-ethereum.
| Package | Affected | Fixed in |
|---|---|---|
github.com/ethereum/go-ethereum Go | All versions | 1.13.15 |
github.com/ethereum/go-ethereum Go | All versions | 1.13.15 |
github.com/ethereum/go-ethereum Go | All versions | 1.13.15 |
How do I fix CVE-2024-32972?
Upgrade github.com/ethereum/go-ethereum to 1.13.15 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-32972 being exploited?
There is no known exploitation of CVE-2024-32972 in the wild and no public exploit code.
Sources
Also known as GHSA-4xc9-8hmq-j652, GO-2024-2819.