KB5001323: Security update for Windows Embedded Compact 2013: March 2021

Summary

This article describes a security update for Windows Embedded Compact 2013. This update addresses a vulnerability in which an Invalid, maliciously crafted certificate can make a validator spend large amounts of CPU time on path validation. This issue can be remotely leveraged to disable servers that accept client certificates. For more information about this issue, see the following article:

Before you install this update, all previously issued updates for this product must be installed.

Software update information

Download information

Windows Embedded Compact 2013 Monthly Update (March 2021) is now available from Microsoft. To download this Windows Embedded Compact 2013 monthly update, go to the Device Partner Center (DPC).

Prerequisites

This update is supported only if all previously issued updates for this product have also been installed.

Restart requirement

After you apply this update, you must perform a clean build of the whole platform. To do this, use one of the following methods:

  • On the Build menu, click Clean Solution, and then click Build Solution.

  • On the Build menu, click Rebuild Solution.

You do not have to restart the computer after you apply this software update.

Update replacement

This update does not replace any other updates.

File information

The English version of this software update package has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

File name

File size

Date

Time

Path

Certstor.lib

2,318,414

03-Mar-2021

13:25

Public\Common\Oak\Lib\Armv7\Checked

Chain.lib

617,912

03-Mar-2021

13:25

Public\Common\Oak\Lib\Armv7\Checked

Certstor.lib

2,827,538

03-Mar-2021

13:24

Public\Common\Oak\Lib\Armv7\Debug

Chain.lib

794,880

03-Mar-2021

13:24

Public\Common\Oak\Lib\Armv7\Debug

Certstor.lib

2,609,276

03-Mar-2021

13:24

Public\Common\Oak\Lib\Armv7\Retail

Chain.lib

651,046

03-Mar-2021

13:24

Public\Common\Oak\Lib\Armv7\Retail

Certstor.lib

2,705,526

03-Mar-2021

13:25

Public\Common\Oak\Lib\X86\Checked

Chain.lib

715,444

03-Mar-2021

13:25

Public\Common\Oak\Lib\X86\Checked

Certstor.lib

2,135,654

03-Mar-2021

13:20

Public\Common\Oak\Lib\X86\Debug

Chain.lib

617,258

03-Mar-2021

13:20

Public\Common\Oak\Lib\X86\Debug

Certstor.lib

2,882,806

03-Mar-2021

15:12

Public\Common\Oak\Lib\X86\Retail

Chain.lib

738,570

03-Mar-2021

15:12

Public\Common\Oak\Lib\X86\Retail

References

Learn about the terminology that Microsoft uses to describe software updates.

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