SB2018041036 - Information disclosure in Microsoft Hyper-V

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Improper input validation (CVE-ID: CVE-2018-0957)

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

The vulnerability exists due to an input validation error in Windows Hyper-V. An authenticated user of guest operating system can obtain memory information from host system.

2) Improper input validation (CVE-ID: CVE-2018-0964)

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

The vulnerability exists due to an input validation error in Windows Hyper-V. An authenticated user of guest operating system can obtain memory information from host system.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0957
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0964