Vulnerability · Published Jan 22, 2025 · Assigned by mitre
CVE-2023-36998
High 8.9
In plain English
A high-severity stack buffer overflow in the affected software. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).
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.
Affected products (as reported)
Weakness: CWE-121 · Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H