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HIGH · 8.9

CVE-2023-36998

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 s...

Vulnerability 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.

CVSS Score

8.9

HIGH

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
HIGH

Related Weaknesses (CWE)

CWE-121

References

FAQ

What is CVE-2023-36998?

CVE-2023-36998 is a vulnerability with a CVSS score of 8.9 (HIGH). 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 s...

How severe is CVE-2023-36998?

CVE-2023-36998 has been rated HIGH with a CVSS base score of 8.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-36998?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.