SB2023111430 - Multiple vulnerabilities in Microsoft Windows Hyper-V



SB2023111430 - Multiple vulnerabilities in Microsoft Windows Hyper-V

Published: November 14, 2023 Updated: May 13, 2024

Security Bulletin ID SB2023111430
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) Information disclosure (CVE-ID: CVE-2023-36406)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in Windows Hyper-V. A local user can gain unauthorized access to sensitive information on the system.


2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2023-36427)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in Windows Hyper-V, which leads to security restrictions bypass and privilege escalation.


3) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2023-36407)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in Windows Hyper-V, which leads to security restrictions bypass and privilege escalation.


4) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2023-36408)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in Windows Hyper-V, which leads to security restrictions bypass and privilege escalation.


Remediation

Install update from vendor's website.