VDB-151949 · CVE-2019-16258 · GCVE-0-2019-16258

homee Brain Cube up to 2.23.0 UART Interface missing authentication

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.
6.8	$0-$5k	0.00

Summaryinfo

A vulnerability was found in homee Brain Cube up to 2.23.0. It has been rated as critical. The affected element is an unknown function of the component UART Interface. The manipulation leads to missing authentication. This vulnerability is traded as CVE-2019-16258. It is possible to launch the attack on the physical device. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in homee Brain Cube up to 2.23.0. This issue affects an unknown function of the component UART Interface. The manipulation with an unknown input leads to a missing authentication vulnerability. Using CWE to declare the problem leads to CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The bootloader of the homee Brain Cube V2 through 2.23.0 allows attackers with physical access to gain root access by manipulating the U-Boot environment via the CLI after connecting to the internal UART interface.

The weakness was shared 03/20/2020. The identification of this vulnerability is CVE-2019-16258 since 09/12/2019. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

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

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Productinfo

Vendor

homee

Name

Brain Cube

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.8

VulDB Base Score: 6.8
VulDB Temp Score: 6.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.8
NVD Vector: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

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

09/12/2019 🔍
03/20/2020 +190 days 🔍
03/21/2020 +1 days 🔍
04/18/2024 +1489 days 🔍

Sourcesinfo

Advisory: syss.de
Status: Not defined

CVE: CVE-2019-16258 (🔍)
GCVE (CVE): GCVE-0-2019-16258
GCVE (VulDB): GCVE-100-151949

Entryinfo

Created: 03/21/2020 08:52
Updated: 04/18/2024 13:54
Changes: 03/21/2020 08:52 (35), 03/21/2020 08:57 (17), 04/18/2024 13:48 (17), 04/18/2024 13:54 (1)
Complete: 🔍
Cache ID: 216::103