CVE-2023-47345

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 message with malformed PFCP Heartbeat message whose Recovery Time Stamp IE length is mutated to zero.

La vulnerabilidad de desbordamiento del búfer en free5gc 3.3.0 permite a los atacantes provocar una denegación de servicio a través de un mensaje PFCP manipulado con un mensaje PFCP Heartbeat mal formado cuya longitud Recovery Time Stamp IE está mutada a cero.

*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/483	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