CVE-2023-47347

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

Buffer Overflow vulnerability in free5gc 3.3.0 allows attackers to cause a denial of service via crafted PFCP messages whose Sequence Number is mutated to overflow bytes.

La vulnerabilidad de desbordamiento del búfer en free5gc 3.3.0 permite a atacantes provocar una denegación de servicio a través de mensajes PFCP manipulados cuyo Número de Secuencia está mutado a bytes de desbordamiento.

*Credits: N/A

CVSS Scores

NISTv3.1 7.5

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

Poc

Automatable

Yes

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-11-06 CVE Reserved
2023-11-15 CVE Published
2024-08-29 CVE Updated
2024-08-29 First Exploit
2024-11-21 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://github.com/free5gc/free5gc/issues/496	2024-08-29

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Free5gc Search vendor "Free5gc"		Free5gc Search vendor "Free5gc" for product "Free5gc"				3.3.0 Search vendor "Free5gc" for product "Free5gc" and version "3.3.0"		-		Affected