描述:
Microsoft 发布了安全性更新以应对数个影响 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-Dec
- https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security#december-14-2021
有报告指 Microsoft Edge (以Chromium为基础) 中的一个远端执行程式码漏洞 (CVE-2021-4102 ) 及 Windows AppX Installer 中的一个仿冒诈骗漏洞 (CVE-2021-43890 ) 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 Edge (Chromium-based) prior to version 96.0.1054.57
- 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 SharePoint Enterprise Server 2013, 2016
- Microsoft SharePoint Foundation 2013
- Microsoft SharePoint Server 2019
- Microsoft Visual Studio 2019, 2022
- Microsoft 365 Apps for Enterprise
- ASP.NET Core 3.1, 5.0, 6.0
- Bot Framework SDK for .NET Framework
- HEVC Video Extensions
- PowerShell 7.2
- Raw Image Extension
- Visual Studio Code
- Visual Studio Code WSL Extension
- VP9 Video Extensions
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、仿冒诈骗或绕过保安限制,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-Dec
- https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security#december-14-2021
- https://www.hkcert.org/tc/security-bulletin/microsoft-monthly-security-update-december-2021
- https://www.cisa.gov/uscert/ncas/current-activity/2021/12/14/microsoft-releases-december-2021-security-updates
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4098 (to CVE-2021-4102)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40441
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40452
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40453
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41333
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41360
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41365
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42293 (to CVE-2021-42295)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42309 (to CVE-2021-42315)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42320
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43207
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43214 (to CVE-2021-43217)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43219
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43222 (to CVE-2021-43240)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43242 (to CVE-2021-43248)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43255
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43256
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43875
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43877
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43880
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43882
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43883
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43888 (to CVE-2021-43893)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43896
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43899
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43905
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43907
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43908