CVE-2021-44109 Memory corruption in n/a

High 7.5 Published 5 Apr 2022 Updated 4 Aug 2024

Remote attackers can cause a denial of service in Open5GS via a crafted SBI request due to a buffer overflow.

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-2021-44109?

CVE-2021-44109 is a high-severity memory corruption vulnerability in Open5gs Open5gs, published on 5 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A buffer overflow in lib/sbi/message.c in Open5GS 2.3.6 and earlier allows remote attackers to Denial of Service via a crafted sbi request.

Weakness: CWE-787

Which versions are affected by CVE-2021-44109?

It affects 1 product.

Products include Open5gs Open5gs.

How do I fix CVE-2021-44109?

No fix has been published for CVE-2021-44109 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-2021-44109 being exploited?

There is no known exploitation of CVE-2021-44109 in the wild and no public exploit code.

All Open5gs Open5gs vulnerabilities

Sources

Also known as GHSA-q7f3-29mw-j94h.