Operating System:

[WIN]

Published:

25 March 2020

Protect yourself against future threats.

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.1057
       Adobe releases critical update for Creative Cloud for Windows
                               25 March 2020

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Adobe Creative Cloud desktop
Publisher:         Adobe
Operating System:  Windows
Impact/Access:     Delete Arbitrary Files -- Unknown/Unspecified
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-3808  

Original Bulletin: 
   https://helpx.adobe.com/security/products/creative-cloud/apsb20-11.html

- --------------------------BEGIN INCLUDED TEXT--------------------

Security update available for Creative Cloud Desktop Application | APSB20-11
+-----------------------------------------------------------------------------+
|Bulletin ID              |Date Published                  |Priority          |
|-------------------------+--------------------------------+------------------|
|APSB20-11                |March 24, 2020                  |2                 |
+-----------------------------------------------------------------------------+

Summary

Adobe has released a security update for the Adobe Creative Cloud Desktop
Application for Windows. This update addresses a critical vulnerability. 
Successful exploitation could lead to arbitrary file deletion.  

Affected versions

+-----------------------------------------------------------------------------+
|                Product                |     Affected version      |Platform |
|---------------------------------------+---------------------------+---------|
|Creative Cloud Desktop Application     |5.0 and earlier versions   |Windows  |
+-----------------------------------------------------------------------------+

Note:

To check the version of the Adobe Creative Cloud desktop app:

 1. Launch the Creative Cloud desktop app and sign in with your Adobe ID
 2. Click the gear icon and choose Preferences > General  

To check the version of the Adobe Creative Cloud desktop app (5.0 or later):

 1. Launch the Creative Cloud desktop app and sign in with your Adobe ID
 2. Click the Help menu and choose "About Creative Cloud"

Solution

Adobe categorizes this update with the following priority rating and recommends
users update their installation to the newest version:

+----------------------------------------------------------------------------+
|          Product           |  Updated   |Platform|  Priority  |Availability|
|                            |  version   |        |   rating   |            |
|----------------------------+------------+--------+------------+------------|
|Creative Cloud Desktop      |5.1         |Windows |2           |Download    |
|Application                 |            |        |            |Center      |
+----------------------------------------------------------------------------+

The latest Creative Cloud Desktop App installer can be downloaded from the 
Download Center. 

Vulnerability Details

+-----------------------------------------------------------------------------+
|Vulnerability Category              |Vulnerability   |Severity |CVE Numbers  |
|                                    |Impact          |         |             |
|------------------------------------+----------------+---------+-------------|
|Time-of-check to time-of-use        |Arbitrary File  |Critical |CVE-2020-3808|
|(TOCTOU) race condition             |Deletion        |         |             |
+-----------------------------------------------------------------------------+

Acknowledgments

Adobe would like to thank the following individuals and organizations for
reporting the relevant issues and for working with Adobe to help protect our
customers: 

  * Jiadong Lu of South China University of Technology and Zhiniang Peng of
    Qihoo 360 Core Security (@edwardzpeng)

- --------------------------END INCLUDED TEXT--------------------

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===========================================================================
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