CVE-2023-36998
High
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.
SeverityHigh
CVSS8.9
Exploit probability—
ProductMME
PublishedJan 22, 2025
First seenJan 22, 2025
Weakness typeCWE-121CWE-121
How to fix
Update
- NextEPC MMEa8492c9c5bc0a66c6999cb5a263545b32a4109df or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| NextEPC MME | v ≤ 1.0.1 | a8492c9c5bc0a66c6999cb5a263545b32a4109df |
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