CVE-2023-37039 Null dereference in n/a

Medium 6.5 Published Updated

Network-adjacent attackers can crash the Magma MME by sending a malformed S1AP packet, causing a denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-37039?

CVE-2023-37039 is a medium-severity vulnerability in n/a, published on 21 Jan 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A Null pointer dereference vulnerability in the Mobile Management Entity (MME) in Magma <= 1.8.0 (fixed in v1.9 commit 08472ba98b8321f802e95f5622fa90fec2dea486) allow network-adjacent attackers to crash the MME via an S1AP `Initial UE Message` packet missing an expected `RRC Establishment Clause` field.

Weakness: CWE-476

Which versions are affected by CVE-2023-37039?

How do I fix CVE-2023-37039?

No fix has been published for CVE-2023-37039 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-37039 being exploited?

There is no known exploitation of CVE-2023-37039 in the wild and no public exploit code.

Sources

Also known as GHSA-349j-h89q-vvpp.

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