Time-of-check Time-of-use (TOCTOU) Race Condition in Antivirus for Mac - CVE-2020-27014

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Main Vulnerability Database Vulnerabilities #VU47936

Time-of-check Time-of-use (TOCTOU) Race Condition in Antivirus for Mac - CVE-2020-27014

Published: October 27, 2020


Vulnerability identifier: #VU47936
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-27014
CWE-ID: CWE-367
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Antivirus for Mac
Software vendor:
Trend Micro

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to the lack of proper locking when performing operations on an object within the KERedirect kext. A local administrator can escalate privileges and execute arbitrary code in the context of the kernel.


Remediation

Install updates from vendor's website.

External links