SB2019010813 - Multiple vulnerabilities in Microsoft Windows Hyper-V

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Input validation error (CVE-ID: CVE-2019-0551)

The vulnerability exists due to an input validation error when processing malicious input. An attacker running inside a virtual machine can run a specially crafted application that could cause the Hyper-V host operating system to execute arbitrary code.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable host system.

2) Input validation error (CVE-ID: CVE-2019-0550)

The vulnerability allows an adjacent attacker to compromise vulnerable system.

The vulnerability exists due to an input validation error when processing malicious input. An attacker running inside a virtual machine can run a specially crafted application that could cause the Hyper-V host operating system to execute arbitrary code. 

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable host system.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0551
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0550