CVE-2023-33656 Denial of service in n/a
An attacker can cause a denial of service in NanoMQ by triggering a memory leak that exhausts system resources.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-33656?
CVE-2023-33656 is a medium-severity denial of service vulnerability in n/a, published on 30 May 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A memory leak vulnerability exists in NanoMQ 0.17.2. The vulnerability is located in the file message.c. An attacker could exploit this vulnerability to cause a denial of service attack by causing the program to consume all available memory resources.
Weakness: CWE-770
Which versions are affected by CVE-2023-33656?
It affects 1 product.
Products include Emqx Nanomq.
How do I fix CVE-2023-33656?
No fix has been published for CVE-2023-33656 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-2023-33656 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-33656 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-9479-9c7f-xq65.