SB2019100817 - Information disclosure in Microsoft Hyper-V
Published: October 8, 2019
Security Bulletin ID
SB2019100817
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2019-1230)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition when the Windows Hyper-V Network Switch on a host operating system fails to properly validate input from an authenticated user on a guest operating system. A remote authenticated user on a guest operating system can run a specially crafted application that could cause the Hyper-V host operating system to disclose memory information.
Remediation
Install update from vendor's website.