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             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.3085
        APSB21-76 Security update available for AdobeCreative Cloud
                            Desktop Application
                             15 September 2021

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

Product:           Adobe Creative Cloud Desktop Application
Publisher:         Adobe
Operating System:  Windows
                   Mac OS
Impact/Access:     Create Arbitrary Files -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-28613  

Original Bulletin: 
   https://helpx.adobe.com/security/products/creative-cloud/apsb21-76.html

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Security update available for Adobe Creative Cloud Desktop Application |
APSB21-76

Bulletin ID                  Date Published                 Priority

ASPB21-76               September 14, 2021                    3


Summary

Adobe has released an update for the Creative Cloud Desktop for Windows and
macOS. This update includes a fix for a critical vulnerability that could lead
to arbitrary file system read in the context of current user.

Affected versions

Product                                  Affected version            Platform

Creative Cloud Desktop Application       5.4 and earlier version     macOS


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     5.5          Windows and   3            Download
Application                             macOS                      Center


Vulnerability Details

   Vulnerability     Vulnerability          CVSS
      Category          Impact     Severity base   CVSS vector    CVE Numbers
                                            score

Creation of
Temporary File in                                 CVSS:3.1/AV:P/
Directory with       Arbitrary                    AC:L/PR:H/UI:R
Incorrect            file system   Critical 7.0   /S:C/C:H/I:H/  CVE-2021-28613
Permissions          write                        A:H

( CWE-379 )


Acknowledgments

Adobe would like to thank CQY of Topsec Alpha Team (yjdfy) for reporting this
issue and for working with Adobe to help protect our customers.


For more information, visit https://helpx.adobe.com/security.html , or email
PSIRT@adobe.com.

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