#VU53513 Permissions, Privileges, and Access Controls in Home Network Security - CVE-2021-32457
Published: May 25, 2021 / Updated: June 28, 2021
Vulnerability identifier: #VU53513
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2021-32457
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Home Network Security
Home Network Security
Software vendor:
Trend Micro
Trend Micro
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improperly imposed permissions in the tdts.ko chrdev_ioctl_handle functionality. A local user can make a specially crafted IOCTL request and gain elevated privileges on the system.
Remediation
Install updates from vendor's website.