ZDI-CAN-21227: ZDI-23-1805: Parallels Desktop Updater Link Following 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 move arbitrary files. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root.
Other sources
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 ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2023-50226.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-21227?
The severity of ZDI-CAN-21227 is critical due to its potential for privilege escalation.
How do I fix ZDI-CAN-21227?
To fix ZDI-CAN-21227, update Parallels Desktop to the latest version provided by the vendor.
Who is affected by ZDI-CAN-21227?
ZDI-CAN-21227 affects users of Parallels Desktop on Mac systems.
Can ZDI-CAN-21227 be exploited remotely?
No, ZDI-CAN-21227 requires local access to exploit.
What causes the vulnerability ZDI-CAN-21227?
ZDI-CAN-21227 is caused by a flaw in the handling of low-privileged code execution.