CVE-2020-16933— Microsoft Word Security Feature Bypass Vulnerability
Quick assessment
Affected
Microsoft Microsoft Office 2019
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Microsoft Word是美国微软（Microsoft）公司的一套Office套件中的文字处理软件。 Microsoft Word 存在安全漏洞，该漏洞源于软件无法正确处理 .LNK 文件时，该软件中存在安全功能绕过漏洞。攻击者可利用该漏洞使用经特殊设计的文件在当前用户的安全上下文中执行操作。以下产品及版本受到影响： Microsoft Word 2013 SP1版本， Microsoft Office 2016版本， Microsoft Word 2010 SP2版本， Microsoft Offi
Possible ATT&CK Techniques 3 AI
T1059 · Command and Scripting Interpreter T1001 · Data Obfuscation T1204.002 · Malicious File
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I. Basic Information for CVE-2020-16933
Vulnerability Information
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Vulnerability Title
Microsoft Word Security Feature Bypass Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
<p>A security feature bypass vulnerability exists in Microsoft Word software when it fails to properly handle .LNK files. An attacker who successfully exploited the vulnerability could use a specially crafted file to perform actions in the security context of the current user. For example, the file could then take actions on behalf of the logged-on user with the same permissions as the current user.</p>
<p>To exploit the vulnerability, a user must open a specially crafted file with an affected version of Microsoft Word software. In an email attack scenario, an attacker could exploit the vulnerability by sending the specially crafted file to the user and convincing the user to open the file. In a web-based attack scenario, an attacker could host a website (or leverage a compromised website that accepts or hosts user-provided content) that contains a specially crafted file that is designed to exploit the vulnerability. However, an attacker would have no way to force the user to visit the website. Instead, an attacker would have to convince the user to click a link, typically by way of an enticement in an email or Instant Messenger message, and then convince the user to open the specially crafted file.</p>
<p>The security update addresses the vulnerability by correcting how Microsoft Word handles these files.</p>
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Word 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Word是美国微软（Microsoft）公司的一套Office套件中的文字处理软件。 Microsoft Word 存在安全漏洞，该漏洞源于软件无法正确处理 .LNK 文件时，该软件中存在安全功能绕过漏洞。攻击者可利用该漏洞使用经特殊设计的文件在当前用户的安全上下文中执行操作。以下产品及版本受到影响： Microsoft Word 2013 SP1版本， Microsoft Office 2016版本， Microsoft Word 2010 SP2版本， Microsoft Offi
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 | Microsoft Office 2019 | 19.0.0 ~ https://aka.ms/OfficeSecurityReleases |
cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:*
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| Microsoft | Microsoft Office 2019 for Mac | 16.0.0 ~ publication |
cpe:2.3:a:microsoft:office:2019:*:*:*:*:macos:*:*
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| Microsoft | Microsoft 365 Apps for Enterprise | 16.0.1 ~ https://aka.ms/OfficeSecurityReleases |
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*
|
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| Microsoft | Microsoft Word 2016 | 16.0.1 ~ publication |
cpe:2.3:a:microsoft:word:2016:*:*:*:*:*:*:*
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| Microsoft | Microsoft Office 2016 for Mac | 16.0.0 ~ publication |
cpe:2.3:a:microsoft:office:2016:*:*:*:*:mac_os:*:*
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| Microsoft | Microsoft Word 2010 Service Pack 2 | 13.0.0.0 ~ publication |
cpe:2.3:a:microsoft:word:2010:sp2:*:*:*:*:*:*
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| Microsoft | Microsoft Word 2013 Service Pack 1 | 15.0.1 ~ publication |
cpe:2.3:a:microsoft:word:2013:sp1:*:*:*:*:*:*
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| Microsoft | Microsoft Word 2013 Service Pack 1 | 15.0.1 ~ publication |
cpe:2.3:a:microsoft:word:2013:sp1:*:*:*:*:*:*
|
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II. Public POCs for CVE-2020-16933
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2020-16933 (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-2020-16939 | 7.8 HIGH | Group Policy Elevation of Privilege Vulnerability |
| CVE-2020-16954 | 7.8 HIGH | Microsoft Office Remote Code Execution Vulnerability |
| CVE-2020-16936 | 7.8 HIGH | Windows Backup Service Elevation of Privilege Vulnerability |
| CVE-2020-16935 | 7.8 HIGH | Windows COM Server Elevation of Privilege 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-2020-16923 | 7.8 HIGH | Microsoft Graphics Components Remote Code Execution Vulnerability |
| CVE-2020-16930 | 7.8 HIGH | Microsoft Excel Remote Code Execution Vulnerability |
| CVE-2020-16940 | 7.8 HIGH | Windows - User Profile Service Elevation of Privilege Vulnerability |
| CVE-2020-16957 | 7.8 HIGH | Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability |
Showing top 20 of 89 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
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V. Comments for CVE-2020-16933
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