VDB-205777 · CVE-2022-24023 · TALOS-2022-1463

TCL LinkHub Mesh Wi-Fi MS1G 00_01.00_14 Configuration pppd GetValue buffer overflow

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.
9.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in TCL LinkHub Mesh Wi-Fi MS1G 00_01.00_14. It has been classified as critical. Affected by this vulnerability is the function GetValue of the file pppd of the component Configuration Handler. This manipulation causes buffer overflow. This vulnerability is tracked as CVE-2022-24023. The attack is only possible within the local network. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in TCL LinkHub Mesh Wi-Fi MS1G 00_01.00_14. Affected by this vulnerability is the function GetValue of the file pppd of the component Configuration Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A buffer overflow vulnerability exists in the GetValue functionality of TCL LinkHub Mesh Wi-Fi MS1G_00_01.00_14. A specially-crafted configuration value can lead to a buffer overflow. An attacker can modify a configuration value to trigger this vulnerability.This vulnerability represents all occurances of the buffer overflow vulnerability within the pppd binary.

The weakness was disclosed 08/06/2022 as TALOS-2022-1463. The advisory is shared at talosintelligence.com. This vulnerability is known as CVE-2022-24023 since 01/26/2022. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/03/2022).

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

LinkHub Mesh Wi-Fi MS1G

Version

00_01.00_14

License

commercial

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.1
VulDB Meta Temp Score: 9.1

VulDB Base Score: 8.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 9.6
CNA Vector (Talos): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/26/2022 🔍
08/06/2022 +191 days 🔍
08/06/2022 +0 days 🔍
09/03/2022 +28 days 🔍

Sourcesinfo

Advisory: TALOS-2022-1463
Status: Confirmed

CVE: CVE-2022-24023 (🔍)
GCVE (CVE): GCVE-0-2022-24023
GCVE (VulDB): GCVE-100-205777

Entryinfo

Created: 08/06/2022 07:52
Updated: 09/03/2022 08:16
Changes: 08/06/2022 07:52 (51), 09/03/2022 08:16 (11)
Complete: 🔍
Cache ID: 216::103