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CVE-2020-16884— Internet Explorer Browser Helper Object (BHO) Memory Corruption Vulnerability

Quick assessment

Affected
Microsoft Microsoft Edge (Chromium-based)
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 Internet Explorer（IE）是美国微软（Microsoft）公司的一款Windows操作系统附带的Web浏览器。 Internet Explorer 的 IEToEdge中存在缓冲区错误漏洞。攻击者可以利用该漏洞获得与当前用户相同的用户权限。以下产品及版本受到影响： Microsoft Edge版本。

CVSS 4.2 · Medium EPSS 1.82% · P78
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I. Basic Information for CVE-2020-16884

Vulnerability Information
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Vulnerability Title
Internet Explorer Browser Helper Object (BHO) Memory Corruption Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
<p>A remote code execution vulnerability exists in the way that the IEToEdge Browser Helper Object (BHO) plugin on Internet Explorer handles objects in memory. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user.</p> <p>In a web-based attack scenario, an attacker could host a specially crafted website that is designed to exploit this vulnerability and then convince a user to view the website. An attacker would have no way to force users to view the attacker-controlled content. Instead, an attacker would have to convince users to take action, typically by getting them to click a link in an email message or in an Instant Messenger message that takes users to the attacker's website, or by opening an attachment sent through email. If the current user is logged on with administrative user rights, an attacker who successfully exploited the vulnerability could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.</p> <p>The security update addresses the vulnerability by modifying how the IEToEdge BHO plug-in handles objects in memory.</p>
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Internet Explore 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Internet Explorer（IE）是美国微软（Microsoft）公司的一款Windows操作系统附带的Web浏览器。 Internet Explorer 的 IEToEdge中存在缓冲区错误漏洞。攻击者可以利用该漏洞获得与当前用户相同的用户权限。以下产品及版本受到影响： Microsoft Edge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 Microsoft Edge (Chromium-based) 1.0.0 ~ publication cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2020-16884

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III. Intelligence Information for CVE-2020-16884

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Vendor Advisories for CVE-2020-16884 (1)

Same Patch Batch · Microsoft · 2020-09-11 · 129 CVEs total

CVE-2020-1595 9.9 CRITICAL Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2020-1210 9.9 CRITICAL Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2020-1523 8.9 HIGH Microsoft SharePoint Server Tampering Vulnerability
CVE-2020-0718 8.8 HIGH Active Directory Remote Code Execution Vulnerability
CVE-2020-0761 8.8 HIGH Active Directory Remote Code Execution Vulnerability
CVE-2020-1129 8.8 HIGH Microsoft Windows Codecs Library Remote Code Execution Vulnerability
CVE-2020-1012 8.8 HIGH WinINet API Elevation of Privilege Vulnerability
CVE-2020-0922 8.8 HIGH Microsoft COM for Windows Remote Code Execution Vulnerability
CVE-2020-1453 8.6 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2020-1200 8.6 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2020-1452 8.6 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2020-1460 8.6 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2020-1576 8.5 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2020-16875 8.4 HIGH Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2020-1285 8.4 HIGH GDI+ Remote Code Execution Vulnerability
CVE-2020-1507 7.9 HIGH Microsoft COM for Windows Elevation of Privilege Vulnerability
CVE-2020-1039 7.8 HIGH Jet Database Engine Remote Code Execution Vulnerability
CVE-2020-1074 7.8 HIGH Jet Database Engine Remote Code Execution Vulnerability
CVE-2020-1115 7.8 HIGH Windows Common Log File System Driver Elevation of Privilege Vulnerability
CVE-2020-1053 7.8 HIGH DirectX Elevation of Privilege Vulnerability

Showing top 20 of 129 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Microsoft Edge (Chromium-based)
Same vendor: Microsoft

V. Comments for CVE-2020-16884

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