Input validation error in Windows and Windows Server - CVE-2019-1226
Published: August 13, 2019
Vulnerability identifier: #VU20234
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-1226
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability description
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 Remote Desktop Services 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.
How to mitigate CVE-2019-1226
Install update from vendor's website.