CVE-2020-1193— Microsoft Excel 缓冲区错误漏洞
一分钟漏洞结论
影响对象
Microsoft Microsoft Office 2019
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
Microsoft Excel是美国微软（Microsoft）公司的一款Office套件中的电子表格处理软件。 Microsoft Excel 中存在缓冲区错误漏洞。该漏洞源于网络系统或产品中缺少身份验证措施或身份验证强度不足。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 Office 2016版本， Microsoft Office 2010 SP2版本， Microsoft Office 2013 RT SP1版本， Microsoft Office
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一、 漏洞 CVE-2020-1193 基础信息
漏洞信息
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Vulnerability Title
Microsoft Excel Remote Code Execution Vulnerability
来源: CVE Program / CVE List V5
Vulnerability Description
<p>A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.</p>
<p>Exploitation of the vulnerability requires that a user open a specially crafted file with an affected version of Microsoft Excel. 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) containing a specially crafted file designed to exploit the vulnerability. An attacker would have no way to force users to visit the website. Instead, an attacker would have to convince users to click a link, typically by way of an enticement in an email or instant message, and then convince them to open the specially crafted file.</p>
<p>The security update addresses the vulnerability by correcting how Microsoft Excel handles objects in memory.</p>
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
N/A
来源: CVE Program / CVE List V5
Vulnerability Title
Microsoft Excel 缓冲区错误漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Microsoft Excel是美国微软（Microsoft）公司的一款Office套件中的电子表格处理软件。 Microsoft Excel 中存在缓冲区错误漏洞。该漏洞源于网络系统或产品中缺少身份验证措施或身份验证强度不足。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 Office 2016版本， Microsoft Office 2010 SP2版本， Microsoft Office 2013 RT SP1版本， Microsoft Office
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| Microsoft | Microsoft Office 2019 | 19.0.0 ~ https://aka.ms/OfficeSecurityReleases |
cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:*
|
|
| Microsoft | Microsoft Office 2019 for Mac | 16.0.0 ~ publication |
cpe:2.3:a:microsoft:office:2019:*:*:*:*:macos:*:*
|
|
| Microsoft | Microsoft 365 Apps for Enterprise | 16.0.1 ~ https://aka.ms/OfficeSecurityReleases |
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*
|
|
| Microsoft | Microsoft Office 2016 | 16.0.0 ~ publication |
cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:x86:*
|
|
| Microsoft | Microsoft Office 2016 for Mac | 16.0.0 ~ publication |
cpe:2.3:a:microsoft:office:2016:*:*:*:*:mac_os:*:*
|
|
| Microsoft | Microsoft Office 2010 Service Pack 2 | 13.0.0.0 ~ publication |
cpe:2.3:a:microsoft:excel:2010:sp2:*:*:*:*:*:*
|
|
| Microsoft | Microsoft Office 2013 Service Pack 1 | 15.0.0 ~ publication |
cpe:2.3:a:microsoft:office:2013:sp1:*:*:rt:*:*:*
|
|
二、漏洞 CVE-2020-1193 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2020-1193 厂商安全公告 (1)
同批安全公告 · Microsoft · 2020-09-11 · 共 129 条
| CVE-2020-1595 | 9.9 CRITICAL | Microsoft SharePoint 安全漏洞 |
| CVE-2020-1210 | 9.9 CRITICAL | Microsoft SharePoint 安全漏洞 |
| CVE-2020-1523 | 8.9 HIGH | Microsoft SharePoint 授权问题漏洞 |
| CVE-2020-1012 | 8.8 HIGH | Wininit.dll 安全漏洞 |
| CVE-2020-0922 | 8.8 HIGH | Microsoft COM 安全漏洞 |
| CVE-2020-1129 | 8.8 HIGH | Microsoft Windows 安全漏洞 |
| CVE-2020-0761 | 8.8 HIGH | Microsoft Windows Active Directory Integrated DNS 安全漏洞 |
| CVE-2020-0718 | 8.8 HIGH | Microsoft Windows 安全漏洞 |
| CVE-2020-1200 | 8.6 HIGH | Microsoft SharePoint 安全漏洞 |
| CVE-2020-1452 | 8.6 HIGH | Microsoft SharePoint 安全漏洞 |
| CVE-2020-1460 | 8.6 HIGH | Microsoft SharePoint 安全漏洞 |
| CVE-2020-1453 | 8.6 HIGH | Microsoft SharePoint 安全漏洞 |
| CVE-2020-1576 | 8.5 HIGH | Microsoft SharePoint 安全漏洞 |
| CVE-2020-16875 | 8.4 HIGH | Microsoft Exchange Server 代码注入漏洞 |
| CVE-2020-1285 | 8.4 HIGH | Microsoft Windows GDI 安全漏洞 |
| CVE-2020-1507 | 7.9 HIGH | Windows 安全漏洞 |
| CVE-2020-1218 | 7.8 HIGH | Microsoft Word 代码注入漏洞 |
| CVE-2020-1030 | 7.8 HIGH | Microsoft Windows 安全漏洞 |
| CVE-2020-1115 | 7.8 HIGH | Microsoft Windows CLFS 安全漏洞 |
| CVE-2020-1098 | 7.8 HIGH | Shell 安全漏洞 |
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IV. Related Vulnerabilities
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