Time-of-check Time-of-use (TOCTOU) Race Condition in Parallels Desktop - CVE-2021-31422

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Main Vulnerability Database Vulnerabilities #VU52512

Time-of-check Time-of-use (TOCTOU) Race Condition in Parallels Desktop - CVE-2021-31422

Published: April 23, 2021


Vulnerability identifier: #VU52512
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-31422
CWE-ID: CWE-367
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Parallels Desktop
Software vendor:
Parallels

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 e1000e virtual device. A local administrator can escalate privileges and execute arbitrary code on the system.


Remediation

Install updates from vendor's website.

External links