SB2020102048 - Multiple vulnerabilities in VMware Workstation



SB2020102048 - Multiple vulnerabilities in VMware Workstation

Published: October 20, 2020 Updated: December 14, 2022

Security Bulletin ID SB2020102048
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Adjecent network
Highest impact Information disclosure

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Out-of-bounds write (CVE-ID: CVE-2020-3982)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error caused by a time-of-check time-of-use issue in ACPI device within the implementation of the BDOOR_CMD_PATCH_ACPI_TABLES command. A remote administrator on the guest OS can run a specially crafted program to trigger a heap-based buffer overflow and crash the system or execute arbitrary code on the hypervisor.


2) Out-of-bounds read (CVE-ID: CVE-2020-3981)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition due to a time-of-check time-of-use issue in ACPI device within the implementation of the BDOOR_CMD_PATCH_ACPI_TABLES command. A remote administrator on a guest OS can run a specially crafted program to read memory from the vmx process.


Remediation

Install update from vendor's website.