Vulnerability in Parallels Desktop
CVE-2023-27323
Parallels Desktop Updater Time-Of-Check Time-Of-Use Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop. An attacker must first obtain the ability to execute low-privileged code on the target host system in order to exploit this vulnerability. The specific flaw exists within the Updater service. By creating a symbolic link, an attacker can abuse the service to execute a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root. . Was ZDI-CAN-18150.
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
EPSS: 0.002 (10.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Parallels Desktop — versions 18.0.0 (53049)
- Parallels Parallels_desktop
Weakness classification (CWE)
References
- zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)
- zdi-disclosures@trendmicro.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-27323?
- CVE-2023-27323 is a high-severity vulnerability in Parallels Desktop, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.8/10. Published 2024-05-03.
- How severe is CVE-2023-27323?
- High severity. CVSS v3 base score is 7.8 out of 10.