SB2019031315 - Denial of service in Microsoft Windows Hyper-V
Published: March 13, 2019 Updated: March 17, 2019
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 vulnerabilities.
1) Input validation error (CVE-ID: CVE-2019-0701)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when Microsoft Hyper-V on a host server does not properly validate input from a privileged user on a guest operating system.
Successful exploitation of the vulnerability may result denial of service (DoS) attack against the host system.
2) Input validation error (CVE-ID: CVE-2019-0695)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when Microsoft Hyper-V on a host server does not properly validate input from a privileged user on a guest operating system.
Successful exploitation of the vulnerability may result denial of service (DoS) attack against the host system.
3) Input validation error (CVE-ID: CVE-2019-0690)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when Microsoft Hyper-V Network Switch on a host server does not properly validate input from a privileged user on a guest operating system.
Successful exploitation of the vulnerability may result denial of service (DoS) attack against the host system.
Remediation
Install update from vendor's website.