// For flags

CVE-2021-31418

Parallels Desktop Toolgate Uninitialized Memory Information Disclosure Vulnerability

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

This vulnerability allows local attackers to disclose sensitive information on affected installations of Parallels Desktop 15.1.4-47270. 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 Toolgate component. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute arbitrary code in the context of the hypervisor. Was ZDI-CAN-12221.

Esta vulnerabilidad permite a atacantes locales revelar información confidencial sobre las instalaciones afectadas de Parallels Desktop versión 15.1.4-47270. Un atacante primero debe obtener la capacidad de ejecutar código poco privilegiado en el sistema invitado objetivo para explotar esta vulnerabilidad. El fallo específico se presenta dentro del componente Toolgate. El problema es debido a una falta de inicialización apropiada de la memoria antes de acceder a ella. Un atacante puede aprovechar esto en conjunto con otras vulnerabilidades para escalar privilegios y ejecutar código arbitrario en el contexto del hypervisor. Fue ZDI-CAN-12221

This vulnerability allows local attackers to disclose sensitive information on affected installations of Parallels Desktop. 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 Toolgate component. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute arbitrary code in the context of the hypervisor.

*Credits: Ezrak1e
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-04-16 CVE Reserved
  • 2021-04-21 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-08-03 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-908: Use of Uninitialized Resource
CAPEC
References (2)
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Parallels
Search vendor "Parallels"
Parallels Desktop
Search vendor "Parallels" for product "Parallels Desktop"
15.1.4-47270
Search vendor "Parallels" for product "Parallels Desktop" and version "15.1.4-47270"
-
Affected