CVE-2023-4882 Multiple vulnerabilities in Open5GS

High 7.5 Published 3 Oct 2023 Updated 19 Sep 2024

An attacker can crash the Open5GS service by registering a malicious VNF value, causing a denial of service.

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-2023-4882?

CVE-2023-4882 is a high-severity denial of service vulnerability in Open5gs Open5gs, published on 3 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

DOS vulnerability that could allow an attacker to register a new VNF (Virtual Network Function) value. This action could trigger the args_assets() function defined in the arg-log.php file, which would then execute the args-abort.c file, causing the service to crash.

Weakness: CWE-404

Which versions are affected by CVE-2023-4882?

It affects 1 product.

Products include Open5gs Open5gs.

How do I fix CVE-2023-4882?

No fix has been published for CVE-2023-4882 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-2023-4882 being exploited?

There is no known exploitation of CVE-2023-4882 in the wild and no public exploit code.

All Open5gs Open5gs vulnerabilities

Sources

Also known as GHSA-4w8h-jccj-5h68.