CVE-2024-0218 DoS on IDS parsing of malformed Radius packets in Guardian before 23.4.1
An unauthenticated attacker can cause a denial of service in the IDS module by sending malformed Radius packets, stopping network traffic analysis.
- 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-2024-0218?
CVE-2024-0218 is a high-severity denial of service vulnerability in Nozomi Networks Guardian, published on 10 Apr 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A Denial of Service (Dos) vulnerability in Nozomi Networks Guardian, caused by improper input validation in certain fields used in the Radius parsing functionality of our IDS, allows an unauthenticated attacker sending specially crafted malformed network packets to cause the IDS module to stop updating nodes, links, and assets.
Network traffic may not be analyzed until the IDS module is restarted.
Weakness: CWE-1286
Which versions are affected by CVE-2024-0218?
How do I fix CVE-2024-0218?
No fix has been published for CVE-2024-0218 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-2024-0218 being exploited?
There is no known exploitation of CVE-2024-0218 in the wild and no public exploit code.
Sources
Also known as GHSA-35m6-rf3v-8cxx.