VDB-175954 · CVE-2021-32458 · TALOS-2021-1231

Trend Micro Home Network Security 6.1.567 IOCTL tdts.ko chrdev_ioctl_handle access control

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.
5.5	$5k-$25k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Trend Micro Home Network Security 6.1.567. This impacts the function chrdev_ioctl_handle of the file tdts.ko of the component IOCTL Handler. Executing a manipulation can lead to access control. The identification of this vulnerability is CVE-2021-32458. There is no exploit available.

Detailsinfo

A vulnerability has been found in Trend Micro Home Network Security 6.1.567 and classified as critical. This vulnerability affects the function chrdev_ioctl_handle of the file tdts.ko of the component IOCTL Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 05/27/2021 as TALOS-2021-1231. The advisory is available at talosintelligence.com. This vulnerability was named CVE-2021-32458. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 05/27/2021). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Trend Micro

Name

Home Network Security

Version

6.1.567

License

commercial

Website

Vendor: https://www.trendmicro.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

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

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: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
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

05/07/2021 🔍
05/27/2021 +20 days 🔍
05/27/2021 +0 days 🔍
05/30/2021 +3 days 🔍

Sourcesinfo

Vendor: trendmicro.com

Advisory: TALOS-2021-1231
Status: Not defined

CVE: CVE-2021-32458 (🔍)
GCVE (CVE): GCVE-0-2021-32458
GCVE (VulDB): GCVE-100-175954

Entryinfo

Created: 05/27/2021 16:05
Updated: 05/30/2021 10:03
Changes: 05/27/2021 16:05 (39), 05/30/2021 10:03 (2)
Complete: 🔍
Cache ID: 216::103