CVE-2019-17148 Command injection in Desktop
Local attackers can escalate privileges to root via command injection in the Parallels Service, requiring prior low-privileged code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-17148?
CVE-2019-17148 is a high-severity command injection vulnerability in Parallels Parallels Desktop, published on 7 Jan 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop Parallels Desktop version 14.1.3 (45485). An attacker must first obtain the ability to execute low-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the Parallels Service. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of root. Was ZDI-CAN-8685.
Which versions are affected by CVE-2019-17148?
It affects 1 product.
Products include Parallels Parallels Desktop.
How do I fix CVE-2019-17148?
No fix has been published for CVE-2019-17148 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2019-17148 being exploited?
There is no known exploitation of CVE-2019-17148 in the wild and no public exploit code.
Other vulnerabilities in Parallels Parallels Desktop
Sources
Also known as GHSA-4382-q932-v2gr.