Parallels Desktop up to 14.1.3 command injection

Summaryinfo

A vulnerability described as critical has been identified in Parallels Desktop up to 14.1.3. Impacted is an unknown function. Executing a manipulation can lead to command injection. The identification of this vulnerability is CVE-2019-17148. The attack can only be executed locally. There is no exploit available.

Detailsinfo

A vulnerability classified as critical was found in Parallels Desktop up to 14.1.3. This vulnerability affects an unknown code block. The manipulation with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was shared 01/07/2020. This vulnerability was named CVE-2019-17148 since 10/04/2019. The attack needs to be approached locally. The requirement for exploitation is a single authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1202.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Parallels

Name

• Desktop

Version

• 14.1.0
• 14.1.1
• 14.1.2
• 14.1.3

License

• commercial

Website

• Vendor: https://www.parallels.com/

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