SB2020041403 - Multiple vulnerabilities in Microsoft Windows Hyper-V

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Input validation error (CVE-ID: CVE-2020-0910)

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to insufficient validation of user-supplied input in the Windows Hyper-V on a host server. A remote administrator on the local network can run a specially crafted application on a guest operating system and execute arbitrary code.

2) Buffer overflow (CVE-ID: CVE-2020-0917)

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

The vulnerability exists due to a boundary error in the Windows Hyper-V on a host server. A remote administrator on the local network can trigger memory corruption and gain elevated privileges on a target operating system.

3) Buffer overflow (CVE-ID: CVE-2020-0918)

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

The vulnerability exists due to a boundary error in the Windows Hyper-V on a host server. A remote administrator on the local network can trigger memory corruption and gain elevated privileges on a target operating system.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0910
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0917
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0918