发布日期：2020-12-08
更新日期：2020-12-09

受影响系统：

Microsoft Edge (EdgeHTML-based) on Windows Server 2019
Microsoft Edge (EdgeHTML-based) on Windows 10 20H2 for x64-bas
Microsoft Edge (EdgeHTML-based) on Windows 10 20H2 for ARM64-b
Microsoft Edge (EdgeHTML-based) on Windows 10 20H2 for 32-bit
Microsoft Edge (EdgeHTML-based) on Windows 10 2004 for x64-bas
Microsoft Edge (EdgeHTML-based) on Windows 10 2004 for ARM64-b
Microsoft Edge (EdgeHTML-based) on Windows 10 2004 for 32-bit
Microsoft Edge (EdgeHTML-based) on Windows 10 1909 for x64-bas
Microsoft Edge (EdgeHTML-based) on Windows 10 1909 for ARM64-b
Microsoft Edge (EdgeHTML-based) on Windows 10 1909 for 32-bit
Microsoft Edge (EdgeHTML-based) on Windows 10 1903 for x64-bas
Microsoft Edge (EdgeHTML-based) on Windows 10 1903 for ARM64-b
Microsoft Edge (EdgeHTML-based) on Windows 10 1903 for 32-bit
Microsoft Edge (EdgeHTML-based) on Windows 10 1809 for x64-bas
Microsoft Edge (EdgeHTML-based) on Windows 10 1809 for ARM64-b
Microsoft Edge (EdgeHTML-based) on Windows 10 1809 for 32-bit

描述：

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CVE(CAN) ID: CVE-2020-17131

Microsoft ChakraCore是使用在Edge浏览器中的一个开源的ChakraJavaScript脚本引擎的核心部分，也可作为单独的JavaScript引擎使用。
Chakra Scripting Engine存在内存破坏漏洞。攻击者可利用该漏洞在目标服务器上执行代码。

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建议：

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厂商补丁：

Microsoft
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目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载：

https：//portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17131

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