CVE-2023-36998 Memory corruption in n/a
An attacker can execute arbitrary code on the NextEPC MME by sending a malicious NAS message, requiring no authentication.
- 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-2023-36998?
CVE-2023-36998 is a high-severity memory corruption vulnerability in n/a, 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
The NextEPC MME <= 1.0.1 (fixed in commit a8492c9c5bc0a66c6999cb5a263545b32a4109df) contains a stack-based buffer overflow vulnerability in the Emergency Number List decoding method. An attacker may send a NAS message containing an oversized Emergency Number List value to the MME to overwrite the stack with arbitrary bytes. An attacker with a cellphone connection to any base station managed by the MME may exploit this vulnerability without having to authenticate with the LTE core.
Weakness: CWE-121
Which versions are affected by CVE-2023-36998?
How do I fix CVE-2023-36998?
No fix has been published for CVE-2023-36998 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-2023-36998 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-36998 exists.
Sources
Also known as GHSA-p6q2-w3w9-4cjw.