CVE-2024-34476 Denial of service in n/a
A reachable assertion in Open5GS allows a remote user to crash the AMF service by sending crafted NAS messages.
- 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-2024-34476?
CVE-2024-34476 is a medium-severity denial of service vulnerability in Open5gs Open5gs, published on 4 May 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Open5GS before 2.7.1 is vulnerable to a reachable assertion that can cause an AMF crash via NAS messages from a UE: ogs_nas_encrypt in lib/nas/common/security.c for pkbuf->len.
Weakness: CWE-805
Which versions are affected by CVE-2024-34476?
It affects 1 product.
Products include Open5gs Open5gs.
How do I fix CVE-2024-34476?
No fix has been published for CVE-2024-34476 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-2024-34476 being exploited?
There is no known exploitation of CVE-2024-34476 in the wild and no public exploit code.
Other vulnerabilities in Open5gs Open5gs
Sources
Also known as GHSA-w664-jc4g-5pm6.