SB2020011439 - Multiple vulnerabilities in Windows Remote Desktop Gateway (RD Gateway)
Published: January 14, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Input validation error (CVE-ID: CVE-2020-0609)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insufficient validation of requests sent to Windows Remote Desktop Gateway (RD Gateway) when an unauthenticated attacker connects to the target system using RDP and sends specially crafted requests. A remote non-authenticated attacker can send specially crafted requests to the affected system and execute arbitrary code.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
2) Input validation error (CVE-ID: CVE-2020-0610)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insufficient validation of requests sent to Windows Remote Desktop Gateway (RD Gateway) when an unauthenticated attacker connects to the target system using RDP and sends specially crafted requests. A remote non-authenticated attacker can send specially crafted requests to the affected system and execute arbitrary code.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
3) Input validation error (CVE-ID: CVE-2020-0612)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in Windows Remote Desktop Gateway (RD Gateway) when an attacker connects to
the target system using RDP and sends specially crafted requests. A remote attacker can send specially crafted request to the affected RDP server and perform a denial of service attack.
Remediation
Install update from vendor's website.