// For flags

CVE-2020-17402

Parallels Desktop prl_hypervisor Incorrect Permission Assignment for Critical Resource 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 system in order to exploit this vulnerability. The specific flaw exists within the prl_hypervisor kext. By examining a log file, an attacker can disclose a memory address. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute code in the context of the kernel. Was ZDI-CAN-11063.

Esta vulnerabilidad permite a atacantes locales revelar información confidencial en las instalaciones afectadas de Parallels Desktop versión 15.1.4 (47270). Un atacante debe primero obtener la capacidad de ejecutar código poco privilegiado en el sistema objetivo para explotar esta vulnerabilidad. El fallo específico se presenta dentro del kext prl_hypervisor. Al examinar un archivo de registro, un atacante puede revelar una dirección de memoria. Un atacante puede aprovechar esto en conjunto con otras vulnerabilidades para escalar privilegios y ejecutar código en el contexto del kernel. Fue ZDI-CAN-11063

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 system in order to exploit this vulnerability.
The specific flaw exists within the prl_hypervisor kext. By examining a log file, an attacker can disclose a memory address. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute code in the context of the kernel.

*Credits: singi@theori
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
  • 2020-08-07 CVE Reserved
  • 2020-08-18 CVE Published
  • 2024-08-04 CVE Updated
  • 2024-08-18 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-732: Incorrect Permission Assignment for Critical 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"
< 16.0.0
Search vendor "Parallels" for product "Parallels Desktop" and version " < 16.0.0"
macos
Affected