CVE-2023-33297 Denial of service in n/a
Attackers can cause denial of service via CPU consumption in Bitcoin Core due to inefficient queue draining, affecting standard configurations.
- 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-2023-33297?
CVE-2023-33297 is a high-severity denial of service vulnerability in Bitcoin Bitcoin Core, published on 22 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Bitcoin Core before 24.1, when debug mode is not used, allows attackers to cause a denial of service (e.g., CPU consumption) because draining the inventory-to-send queue is inefficient, as exploited in the wild in May 2023.
Weakness: CWE-400
Which versions are affected by CVE-2023-33297?
It affects 1 product.
Products include Bitcoin Bitcoin Core.
How do I fix CVE-2023-33297?
No fix has been published for CVE-2023-33297 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-2023-33297 being exploited?
There is no known exploitation of CVE-2023-33297 in the wild and no public exploit code.
Other vulnerabilities in Bitcoin Bitcoin Core
Sources
Also known as GHSA-q9gq-6cqp-445j.