CVE-2022-43677

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In free5GC 3.2.1, a malformed NGAP message can crash the AMF and NGAP decoders via an index-out-of-range panic in aper.GetBitString.

En free5GC versión 3.2.1, un mensaje NGAP malformado puede bloquear los descodificadores AMF y NGAP por medio de un pánico de índice fuera de rango en aper.GetBitString

*Credits: N/A

CVSS Scores

NISTv3.1 5.5

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-10-24 CVE Reserved
2022-10-24 CVE Published
2024-05-16 EPSS Updated
2024-08-03 CVE Updated
2024-08-03 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (2)

URL	Tag	Source
https://www.trendmicro.com/en_us/research/23/j/asn1-vulnerabilities-in-5g-cores.html

URL	Date	SRC
https://github.com/free5gc/free5gc/issues/402	2024-08-03

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"				3.2.1 Search vendor "Free5gc" for product "Free5gc" and version "3.2.1"		-		Affected