CVE-2020-16863— Windows Remote Desktop Service Denial of Service Vulnerability
Quick assessment
Affected
Microsoft Windows 7
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Microsoft Windows是美国微软（Microsoft）公司的一种桌面操作系统。 Windows 远程桌面服务存在安全漏洞，该漏洞源于 RDP 连接到目标系统并发送经特殊设计的请求时，Windows 远程桌面服务中存在拒绝服务漏洞。攻击者可利用该漏洞可能会导致目标系统上的远程桌面服务停止响应。以下产品及版本受到影响： Windows Server 2008 R2版本， Windows 7版本。
Possible ATT&CK Techniques 1 AI
T1499.002 · Service Exhaustion Flood
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I. Basic Information for CVE-2020-16863
Vulnerability Information
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Vulnerability Title
Windows Remote Desktop Service Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
<p>A denial of service vulnerability exists in Windows Remote Desktop Service 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 Remote Desktop Service on the target system to stop responding.</p>
<p>To exploit this vulnerability, an attacker would need to run a specially crafted application against a server which provides Remote Desktop Service.</p>
<p>The update addresses the vulnerability by correcting how Remote Desktop Service handles connection requests.</p>
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows 远程桌面服务安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows是美国微软（Microsoft）公司的一种桌面操作系统。 Windows 远程桌面服务存在安全漏洞，该漏洞源于 RDP 连接到目标系统并发送经特殊设计的请求时，Windows 远程桌面服务中存在拒绝服务漏洞。攻击者可利用该漏洞可能会导致目标系统上的远程桌面服务停止响应。以下产品及版本受到影响： Windows Server 2008 R2版本， Windows 7版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Microsoft | Windows 7 | 6.1.0 ~ publication |
cpe:2.3:o:microsoft:windows_7:*:sp1:*:*:*:*:x86:*
|
|
| Microsoft | Windows 7 Service Pack 1 | 6.1.0 ~ publication |
cpe:2.3:o:microsoft:windows_7:*:sp1:*:*:*:*:x64:*
|
|
| Microsoft | Windows Server 2008 R2 Service Pack 1 | 6.1.0 ~ publication |
cpe:2.3:o:microsoft:windows_server_2008_R2:*:*:*:*:*:*:x64:*
|
|
| Microsoft | Windows Server 2008 R2 Service Pack 1 (Server Core installation) | 6.0.0 ~ publication |
cpe:2.3:o:microsoft:windows_server_2008_R2:*:*:*:*:*:*:x64:*
|
|
II. Public POCs for CVE-2020-16863
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2020-16863 (1)
Same Patch Batch · Microsoft · 2020-10-16 · 89 CVEs total
| CVE-2020-1080 | 8.8 HIGH | Windows Hyper-V Elevation of Privilege Vulnerability |
| CVE-2020-16898 | 8.8 HIGH | Windows TCP/IP Remote Code Execution Vulnerability |
| CVE-2020-16911 | 8.8 HIGH | GDI+ Remote Code Execution Vulnerability |
| CVE-2020-16891 | 8.8 HIGH | Windows Hyper-V Remote Code Execution Vulnerability |
| CVE-2020-16946 | 8.7 HIGH | Microsoft Office SharePoint XSS Vulnerability |
| CVE-2020-16945 | 8.7 HIGH | Microsoft Office SharePoint XSS Vulnerability |
| CVE-2020-16944 | 8.7 HIGH | Microsoft SharePoint Reflective XSS Vulnerability |
| CVE-2020-16952 | 8.6 HIGH | Microsoft SharePoint Remote Code Execution Vulnerability |
| CVE-2020-16951 | 8.6 HIGH | Microsoft SharePoint Remote Code Execution Vulnerability |
| CVE-2020-16935 | 7.8 HIGH | Windows COM Server Elevation of Privilege Vulnerability |
| CVE-2020-16939 | 7.8 HIGH | Group Policy Elevation of Privilege Vulnerability |
| CVE-2020-16940 | 7.8 HIGH | Windows - User Profile Service Elevation of Privilege Vulnerability |
| CVE-2020-16967 | 7.8 HIGH | Windows Camera Codec Pack Remote Code Execution Vulnerability |
| CVE-2020-16936 | 7.8 HIGH | Windows Backup Service Elevation of Privilege Vulnerability |
| CVE-2020-16930 | 7.8 HIGH | Microsoft Excel Remote Code Execution Vulnerability |
| CVE-2020-16929 | 7.8 HIGH | Microsoft Excel Remote Code Execution Vulnerability |
| CVE-2020-16928 | 7.8 HIGH | Microsoft Office Click-to-Run Elevation of Privilege Vulnerability |
| CVE-2020-16924 | 7.8 HIGH | Jet Database Engine Remote Code Execution Vulnerability |
| CVE-2020-16931 | 7.8 HIGH | Microsoft Excel Remote Code Execution Vulnerability |
| CVE-2020-16954 | 7.8 HIGH | Microsoft Office Remote Code Execution Vulnerability |
Showing top 20 of 89 CVEs. View all on vendor page → →
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