CVE-2024-52920 Denial of service in n/a
Remote attackers can cause a denial of service via infinite loop in Bitcoin Core by sending malformed GETDATA messages.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-52920?
CVE-2024-52920 is a high-severity denial of service vulnerability in Bitcoin Bitcoin Core, published on 18 Nov 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Bitcoin Core before 0.20.0 allows remote attackers to cause a denial of service (infinite loop) via a malformed GETDATA message.
Weakness: CWE-770
Which versions are affected by CVE-2024-52920?
It affects 1 product.
Products include Bitcoin Bitcoin Core.
How do I fix CVE-2024-52920?
No fix has been published for CVE-2024-52920 yet. Limit exposure of the affected software until one is available.
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-2024-52920 being exploited?
There is no known exploitation of CVE-2024-52920 in the wild and no public exploit code.
Other vulnerabilities in Bitcoin Bitcoin Core
Sources
Also known as GHSA-wqx3-8496-4xhc.