CVE-2022-35218 NHI card’s web service component - Heap-based Buffer Overflow
A heap-based buffer overflow in the NHI card's web service allows a local network attacker to cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-35218?
CVE-2022-35218 is a medium-severity memory corruption vulnerability in NHI card’s web service component, published on 2 Aug 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The NHI card’s web service component has a heap-based buffer overflow vulnerability due to insufficient validation for packet origin parameter length. A LAN attacker with general user privilege can exploit this vulnerability to disrupt service.
Which versions are affected by CVE-2022-35218?
It affects 1 product.
Products include Nhi Health Insurance Web Service Component.
How do I fix CVE-2022-35218?
No fix has been published for CVE-2022-35218 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-35218 being exploited?
There is no known exploitation of CVE-2022-35218 in the wild and no public exploit code.
Other vulnerabilities in NHI card’s web service component
Sources
Also known as GHSA-xv8h-m568-7fx7.