Skip to main content

Reachable Assertion

CVE-2023-37007

Medium
5.3/10

Summary

Open5GS MME versions <= 2.6.4 contain an assertion that can be remotely triggered via a malformed ASN.1 packet over the S1AP interface. An attacker may send a `Handover Cancel` message missing a required `MME_UE_S1AP_ID` field to repeatedly crash the MME, resulting in denial of service.

  • LOW
  • LOCAL
  • LOW
  • UNCHANGED
  • NONE
  • LOW
  • LOW
  • LOW

CWE-617 - Reachable Assertion

The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.

References

Advisory Timeline

  • Published