Free5gc 3.0.5 NAS Message resource consumption

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Free5gc 3.0.5 and classified as critical. This affects an unknown part of the component NAS Message Handler. The manipulation leads to an unknown weakness. This vulnerability is uniquely identified as CVE-2022-38871. No exploit exists.

Detailsinfo

A vulnerability was found in Free5gc 3.0.5 and classified as critical. This issue affects an unknown part of the component NAS Message Handler. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. The impact remains unknown. The summary by CVE is:

In Free5gc v3.0.5, the AMF breaks due to malformed NAS messages.

The weakness was disclosed 11/19/2022 as 198. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2022-38871 since 08/29/2022. The technical details are unknown and an exploit is not publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Free5gc

Version

3.0.5

Website

Product: https://github.com/free5gc/free5gc/

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/29/2022 🔍
11/19/2022 +82 days 🔍
11/19/2022 +0 days 🔍
12/20/2022 +31 days 🔍

Sourcesinfo

Product: github.com

Advisory: 198
Status: Confirmed

CVE: CVE-2022-38871 (🔍)
GCVE (CVE): GCVE-0-2022-38871
GCVE (VulDB): GCVE-100-214007

Entryinfo

Created: 11/19/2022 10:53
Updated: 12/20/2022 17:09
Changes: 11/19/2022 10:53 (36), 12/20/2022 17:09 (12)
Complete: 🔍
Cache ID: 216::103