CVE-2019-1223 Windows Remote Desktop Protocol (RDP) Denial of Service Vulnerability
An attacker can cause the Remote Desktop Protocol service to stop responding by sending specially crafted requests, requiring a security patch.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-1223?
CVE-2019-1223 is a high-severity denial of service vulnerability in Microsoft Windows 10, published on 14 Aug 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A denial of service vulnerability exists in Remote Desktop Protocol (RDP) when an attacker connects to the target system using RDP and sends specially crafted requests. An attacker who successfully exploited this vulnerability could cause the RDP service on the target system to stop responding. To exploit this vulnerability, an attacker would need to run a specially crafted application against a server which provides Remote Desktop Protocol (RDP) services. The update addresses the vulnerability by correcting how RDP handles connection requests.
Which versions are affected by CVE-2019-1223?
It affects 3 products.
Products include Microsoft Windows 10, Microsoft Windows Server 2016, Microsoft Windows Server 2019.
How do I fix CVE-2019-1223?
No fix has been published for CVE-2019-1223 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2019-1223 being exploited?
There is no known exploitation of CVE-2019-1223 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 10
- CVE-2015-2426 Microsoft Windows Adobe Type Manager Library Remote Code Execution
- CVE-2015-1769 Microsoft Windows Mount Manager Privilege Escalation
- CVE-2020-1467 Windows Hard Link Elevation of Privilege Vulnerability
- CVE-2021-26424 Windows TCP/IP Remote Code Execution Vulnerability
- CVE-2021-28476 Windows Hyper-V Remote Code Execution Vulnerability
Sources
Also known as GHSA-qxww-2h29-62jj.