PT-2025-1410 · Open5Gs · Open5Gs Mme

Published 2025-01-22 · Updated 2025-01-23 · CVE-2023-37018

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Open5GS MME versions <= 2.6.4

Description The issue is related to an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An attacker may send a UE Capability Info Indication message missing a required MME UE S1AP ID field to repeatedly crash the MME, resulting in denial of service.

Recommendations For Open5GS MME versions <= 2.6.4, update to a version greater than 2.6.4 to resolve the issue. As a temporary workaround, consider restricting access to the S1AP interface to minimize the risk of exploitation. Avoid sending UE Capability Info Indication messages without the required MME UE S1AP ID field until the issue is resolved.

Exploit

Fix

Assertion Failure

Weakness Enumeration

CWE-617

Related Identifiers

CVE-2023-37018

Affected Products

Open5Gs Mme

References · 4

• 🔥 https://cellularsecurity.org/ransacked · Exploit
• https://osv.dev/vulnerability/CVE-2023-37018 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-37018 · Security Note
• https://twitter.com/CVEnew/status/1882300213932523947 · Twitter Post