高危保安警报 (A21-10-11): Microsoft 产品多个漏洞 (2021年10月)

描述:

Microsoft 发布了安全性更新以应对影响数个 Microsoft 产品或元件的多个漏洞。有关安全性更新的列表，请参考以下网址:

https://msrc.microsoft.com/update-guide/en-us/releaseNote/2021-Oct

有报告指在 Microsoft Windows 及 Server 的一个权限提升漏洞 (CVE-2021-40449) 正受到攻击。系统管理员应立即为受影响的系统安装修补程式，以减低受到网络攻击的风险。

受影响的系统:

• Microsoft Windows 7, 8.1, RT 8.1, 10, 11
• Microsoft Windows Server 2008, 2008 R2, 2012, 2012 R2, 2016, 2019, 2022
• Microsoft Windows Server, version 2004, version 20H2
• Microsoft Office 2013, 2013 RT, 2016, 2019, 2019 for Mac, LTSC 2021, LTSC for Mac 2021
• Microsoft Office Online Server
• Microsoft Office Web Apps Server 2013
• Microsoft Excel 2013, 2013 RT, 2016
• Microsoft Word 2013, 2013 RT, 2016
• Microsoft 365 Apps for Enterprise
• Microsoft Dynamics 365 (on-premises) version 9.0, version 9.1
• Microsoft Dynamics 365 Customer Engagement V9.0, V9.1
• Microsoft Exchange Server 2013, 2016, 2019
• Microsoft SharePoint Foundation 2013
• Microsoft SharePoint Enterprise Server 2013, 2016
• Microsoft SharePoint Server 2019
• Microsoft Visual Studio 2017, 2019
• System Center 2012 R2 Operations Manager, 2016 Operations Manager, 2019 Operations Manager
• .NET 5.0
• PowerShell 7.1
• Intune management extension

影响:

成功利用这些漏洞可以导致远端执行程式码、权限提升、泄漏资讯、服务受阻断、绕过保安功能及仿冒诈骗，视乎攻击者利用哪个漏洞而定。

建议:

受影响产品的修补程式可在 Windows Update 或 Microsoft Update Catalog 获取。受影响系统的用户应遵从产品供应商的建议，立即采取行动以降低风险。

进一步信息:

• https://msrc.microsoft.com/update-guide/en-us/releaseNote/2021-Oct
• https://www.hkcert.org/tc/security-bulletin/microsoft-monthly-security-update-october-2021
• https://us-cert.cisa.gov/ncas/current-activity/2021/10/12/microsoft-releases-october-2021-security-updates
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1971
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3449 (to CVE-2021-3450)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26427
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26441 (to CVE-2021-26442)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-34453
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36953
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36970
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38662 (to CVE-2021-38663)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38672
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40443
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40449 (to CVE-2021-40450)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40454 (to CVE-2021-40457)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40460 (to CVE-2021-40489)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41330 (to CVE-2021-41332)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41334 (to CVE-2021-41340)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41342 (to CVE-2021-41348)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41350
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41352 (to CVE-2021-41355)
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41357
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41361
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41363