Time-of-check Time-of-use (TOCTOU) Race Condition in Parallels Desktop - CVE-2020-8873
Published: March 17, 2020
Vulnerability identifier: #VU26129
CSH Severity: Low
CVSS v4: 8.4 [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]
CVE-ID: CVE-2020-8873
CWE-ID:
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a lack of proper locking when performing operations on an object within the xHCI component. An local user can gain elevated privileges on the target system.
The vulnerability exists due to a lack of proper locking when performing operations on an object within the xHCI component. An local user can gain elevated privileges on the target system.
Affected software
Parallels Desktop
How to mitigate CVE-2020-8873
Install updates from vendor's website.
Parallels Desktop - update to 15.1.3