CVE-2023-51847 Denial of service in n/a
A remote attacker can cause a denial of service in Libcoap via the coap_context_t function, affecting applications using this library.
- 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-2023-51847?
CVE-2023-51847 is a high-severity denial of service vulnerability in n/a, published on 6 Jun 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue in obgm and Libcoap v.a3ed466 allows a remote attacker to cause a denial of service via thecoap_context_t function in the src/coap_threadsafe.c:297:3 component.
Weakness: CWE-400
Which versions are affected by CVE-2023-51847?
How do I fix CVE-2023-51847?
No fix has been published for CVE-2023-51847 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-2023-51847 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-51847 exists.
Sources
Also known as GHSA-hmc2-hhww-hmr3, UBUNTU-CVE-2023-51847.