CVE-2025-44952

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-44952
A missing length check in `ogs_pfcp_subnet_add` function from PFCP library, used by both smf and upf in open5gs 2.7.2 and earlier, allows a local attacker to cause a Buffer Overflow by changing the `session.dnn` field with a value with length greater than 101.

7.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://gist.github.com/scemodicecosa/8643fbfc9490f40e955e9f9e9b0d9077 Broken Link
https://gist.github.com/scmdcs/8643fbfc9490f40e955e9f9e9b0d9077 Exploit Third Party Advisory
https://github.com/open5gs/open5gs/issues/3775 Exploit Issue Tracking
Configurations

Configuration 1 (hide)

cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*
History

09 Jul 2025, 18:33

Type Values Removed Values Added
References () https://gist.github.com/scemodicecosa/8643fbfc9490f40e955e9f9e9b0d9077 - () https://gist.github.com/scemodicecosa/8643fbfc9490f40e955e9f9e9b0d9077 - Broken Link
References () https://gist.github.com/scmdcs/8643fbfc9490f40e955e9f9e9b0d9077 - () https://gist.github.com/scmdcs/8643fbfc9490f40e955e9f9e9b0d9077 - Exploit, Third Party Advisory
References () https://github.com/open5gs/open5gs/issues/3775 - () https://github.com/open5gs/open5gs/issues/3775 - Exploit, Issue Tracking
First Time Open5gs open5gs
Open5gs
CPE cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*

20 Jun 2025, 13:15

Type Values Removed Values Added
References
  • () https://gist.github.com/scmdcs/8643fbfc9490f40e955e9f9e9b0d9077 -
Summary
  • (es) Una verificación de longitud faltante en la función `ogs_pfcp_subnet_add` de la librería PFCP, utilizada tanto por smf como por upf en open5gs 2.7.2 y anteriores, permite a un atacante local causar un desbordamiento de búfer al cambiar el campo `session.dnn` con un valor con una longitud mayor a 101.

18 Jun 2025, 19:15

Type Values Removed Values Added
CWE CWE-120
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.8

18 Jun 2025, 16:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-06-18 16:15

Updated : 2025-07-09 18:33

NVD link : CVE-2025-44952

Mitre link : CVE-2025-44952

CVE.ORG link : CVE-2025-44952

JSON object : View

Products Affected

open5gs

  • open5gs
CWE
CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')