Buffer Overflow Vulnerability in free5gc by free5gc
CVE-2023-47345

7.5HIGH

Key Information:

Vendor

Free5gc

Status
Free5gc
Vendor
CVE Published:
15 November 2023

What is CVE-2023-47345?

A buffer overflow vulnerability in free5gc version 3.3.0 can be exploited by attackers to induce a denial of service. This is achieved by sending specially crafted PFCP messages that contain a malformed PFCP Heartbeat message. The exploitation involves manipulating the Recovery Time Stamp Information Element (IE) length to zero, leading to unexpected behavior in the application.

References

https://github.com/free5gc/free5gc/issues/483

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.