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Home - Vulnerability NotesPrint
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CERT-In Vulnerability Note CIVN-2021-0388
Memory Corruption vulnerability in Microsoft Products

Original Issue Date:December 31, 2021

Severity Rating: HIGH

Software Affected

  • Windows Server 2012 R2 (Server Core installation)
  • Windows Server 2012 R2
  • Windows Server 2012 (Server Core installation)
  • Windows Server 2012
  • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
  • Windows Server 2008 R2 for x64-based Systems Service Pack 1
  • Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
  • Windows Server 2008 for x64-based Systems Service Pack 2
  • Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
  • Windows Server 2008 for 32-bit Systems Service Pack 2
  • Windows RT 8.1
  • Windows 8.1 for x64-based systems
  • Windows 8.1 for 32-bit systems
  • Windows 7 for x64-based Systems Service Pack 1
  • Windows 7 for 32-bit Systems Service Pack 1
  • Windows Server 2016  (Server Core installation)
  • Windows Server 2016
  • Windows 10 Version 1607 for x64-based Systems
  • Windows 10 Version 1607 for 32-bit Systems
  • Windows 10 for x64-based Systems
  • Windows 10 for 32-bit Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 10 Version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for 32-bit Systems
  • Windows Server, version 20H2 (Server Core Installation)
  • Windows 10 Version 20H2 for ARM64-based Systems
  • Windows 10 Version 20H2 for 32-bit Systems
  • Windows 10 Version 20H2 for x64-based Systems
  • Windows Server, version 2004 (Server Core installation)
  • Windows 10 Version 2004 for x64-based Systems
  • Windows 10 Version 2004 for ARM64-based Systems
  • Windows 10 Version 2004 for 32-bit Systems
  • Windows 10 Version 21H1 for 32-bit Systems
  • Windows 10 Version 21H1 for ARM64-based Systems
  • Windows 10 Version 21H1 for x64-based Systems
  • Windows 10 Version 1909 for ARM64-based Systems
  • Windows 10 Version 1909 for x64-based Systems
  • Windows 10 Version 1909 for 32-bit Systems
  • Windows Server 2019  (Server Core installation)
  • Windows Server 2019
  • Windows 10 Version 1809 for ARM64-based Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows 10 Version 1809 for 32-bit Systems

Overview

A vulnerability has been reported in Microsoft Windows which could allow a remote attacker to execute arbitrary code on the targeted system.

Description

This Vulnerability exits in Microsoft Windows due to memory corruption flaw in the iSNS Server. A remote attacker could exploit this vulnerability by convincing a victim to open a specially crafted request.

Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the targeted system.

Solution

Apply appropriates updates as mentioned by vendor:
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-43215

Vendor Information

Microsoft Windows Installer
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-43215

References

Microsoft Windows Installer
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-43215

CVE Name
CVE-2021-43215

Disclaimer

The information provided herein is on "as is" basis, without warranty of any kind.

Contact Information

Email: info@cert-in.org.in
Phone: +91-11-24368572

Postal address

Indian Computer Emergency Response Team (CERT-In)
Ministry of Electronics and Information Technology
Government of India
Electronics Niketan
6, CGO Complex, Lodhi Road,
New Delhi - 110 003
India

 
Indian Computer Emergency Response Team - CERT-In, Ministry of Electronics and Information Technology, Government of India.
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