SB2023111430 - Multiple vulnerabilities in Microsoft Windows Hyper-V

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

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

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)

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)

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)

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.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-36406
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-36427
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-36407
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-36408