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CVE-2020-1555— Scripting Engine Memory Corruption Vulnerability

Quick assessment

Affected
Microsoft ChakraCore
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 Edge是美国微软（Microsoft）公司的一款Windows 10之后版本系统附带的Web浏览器。 Microsoft Edge（基于HTML）中Scripting Engine处理内存的方式存在远程代码执行漏洞。攻击者可借助特制网站利用该漏洞在当前用户上下文中执行任意代码，损坏内存。以下产品及版本受到影响： ChakraCore版本， Microsoft Edge版本。

AI Predicted 8.8 Difficulty: Easy EPSS 4.51% · P91
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I. Basic Information for CVE-2020-1555

Vulnerability Information
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Vulnerability Title
Scripting Engine Memory Corruption Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Microsoft Edge (HTML-based). 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. 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. In a web-based attack scenario, an attacker could host a specially crafted website that is designed to exploit the vulnerability through Microsoft Edge (HTML-based) and then convince a user to view the website. The attacker could also take advantage of compromised websites and websites that accept or host user-provided content or advertisements. These websites could contain specially crafted content that could exploit the vulnerability. The security update addresses the vulnerability by modifying how the scripting engine handles objects in memory.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Edge 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Edge是美国微软（Microsoft）公司的一款Windows 10之后版本系统附带的Web浏览器。 Microsoft Edge（基于HTML）中Scripting Engine处理内存的方式存在远程代码执行漏洞。攻击者可借助特制网站利用该漏洞在当前用户上下文中执行任意代码，损坏内存。以下产品及版本受到影响： ChakraCore版本， 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 ChakraCore 0 ~ publication cpe:2.3:a:microsoft:chakracore:*:*:*:*:*:*:*:*
Microsoft Microsoft Edge (EdgeHTML-based) 1.0..0 ~ publication cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:*

II. Public POCs for CVE-2020-1555

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III. Intelligence Information for CVE-2020-1555

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Vendor Advisories for CVE-2020-1555 (1)

Same Patch Batch · Microsoft · 2020-08-17 · 121 CVEs total

CVE-2020-1467 10.0 CRITICAL Windows Hard Link Elevation of Privilege Vulnerability
CVE-2020-1583 8.8 HIGH Microsoft Word Information Disclosure Vulnerability
CVE-2020-1504 8.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2020-1552 8.0 HIGH Windows Work Folder Service Elevation of Privilege Vulnerability
CVE-2020-1521 7.8 HIGH Windows Speech Runtime Elevation of Privilege Vulnerability
CVE-2020-1534 7.8 HIGH Windows Backup Service Elevation of Privilege Vulnerability
CVE-2020-1533 7.8 HIGH Windows WalletService Elevation of Privilege Vulnerability
CVE-2020-1531 7.8 HIGH Windows Accounts Control Elevation of Privilege Vulnerability
CVE-2020-1530 7.8 HIGH Windows Remote Access Elevation of Privilege Vulnerability
CVE-2020-1529 7.8 HIGH Windows GDI Elevation of Privilege Vulnerability
CVE-2020-1528 7.8 HIGH Windows Radio Manager API Elevation of Privilege Vulnerability
CVE-2020-1527 7.8 HIGH Windows Custom Protocol Engine Elevation of Privilege Vulnerability
CVE-2020-1526 7.8 HIGH Windows Network Connection Broker Elevation of Privilege Vulnerability
CVE-2020-1525 7.8 HIGH Media Foundation Memory Corruption Vulnerability
CVE-2020-1524 7.8 HIGH Windows Speech Shell Components Elevation of Privilege Vulnerability
CVE-2020-1513 7.8 HIGH Windows CSC Service Elevation of Privilege Vulnerability
CVE-2020-1516 7.8 HIGH Windows Work Folders Service Elevation of Privilege Vulnerability
CVE-2020-1515 7.8 HIGH Windows Telephony Server Elevation of Privilege Vulnerability
CVE-2020-1517 7.8 HIGH Windows File Server Resource Management Service Elevation of Privilege Vulnerability
CVE-2020-1512 7.8 HIGH Windows State Repository Service Information Disclosure Vulnerability

Showing top 20 of 121 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: ChakraCore
Same vendor: Microsoft

V. Comments for CVE-2020-1555

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