CVE-2023-37008 Memory corruption in n/a

Q: Is CVE-2023-37008 being exploited?

There is no known exploitation of CVE-2023-37008 in the wild and no public exploit code.

Q: How do I fix CVE-2023-37008?

No fix has been published for CVE-2023-37008 yet. Limit exposure of the affected software until one is available.

Medium 5.3 Published 22 Jan 2025 Updated 28 Jan 2025

A buffer overflow in Open5GS MME allows attackers to crash the service or potentially execute arbitrary code via malicious S1AP messages.

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-2023-37008?

CVE-2023-37008 is a medium-severity memory corruption vulnerability in Open5gs Open5gs, published on 22 Jan 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Open5GS MME versions <= 2.6.4 contain a buffer overflow in the ASN.1 deserialization function of the S1AP handler. This buffer overflow causes type confusion in decoded fields, leading to invalid parsing and freeing of memory. An attacker may use this to crash an MME or potentially execute code in certain circumstances.

Weakness: CWE-617

Which versions are affected by CVE-2023-37008?

It affects 1 product.

Products include Open5gs Open5gs.

How do I fix CVE-2023-37008?

No fix has been published for CVE-2023-37008 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-2023-37008 being exploited?

There is no known exploitation of CVE-2023-37008 in the wild and no public exploit code.

All Open5gs Open5gs vulnerabilities

Sources

Also known as GHSA-xh3r-5ccq-fg8p.