-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.3088
          APSB21-73 Security update available for Adobe InDesign
                             15 September 2021

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

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

Product:           Adobe InDesign
Publisher:         Adobe
Operating System:  Windows
                   Mac OS
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-39822 CVE-2021-39821 CVE-2021-39820

Original Bulletin: 
   https://helpx.adobe.com/security/products/indesign/apsb21-73.html

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

Security Update Available for Adobe InDesign | APSB21-73

Bulletin ID                  Date Published                 Priority

APSB21-73               September 14, 2021                    3


Summary

Adobe has released a security update for Adobe InDesign. This update addresses
multiple critical vulnerabilities. Successful exploitation could lead to
arbitrary code execution in the context of the current user.

Affected versions

Product                Affected version                           Platform

Adobe InDesign         16.3.2 and earlier versions                macOS

Adobe InDesign         16.3 and earlier versions                  Windows


Solution

Adobe categorizes these updates with the following priority rating and
recommends users update their software installations via the Creative Cloud
desktop app updater, or by navigating to the InDesign Help menu and clicking
"Updates." For more information, please reference this help page .

Product        Updated version Platform           Priority rating Availability

Adobe InDesign 16.4            Windows and macOS  3               Release Note


For managed environments, IT administrators can use the Creative Cloud Packager
to create deployment packages. Refer to this help page for more information.

Vulnerability Details

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

Access of Memory
Location After    Arbitrary                    CVSS3.1:/AV:N/
End of Buffer     code          Critical 8.8   AC:L/PR:N/UI:R/   CVE-2021-39820
                  execution                    S:U/C:H/I:H/A:H
( CWE-788 )

Out-of-bounds     Arbitrary                    CVSS:3.1/AV:L/    CVE-2021-39821
Read              code          Critical 7.8   AC:L/PR:N/UI:R/
                  execution                    S:U/C:H/I:H/A:H   CVE-2021-39822
( CWE-125 )


Acknowledgments

Adobe would like to thank the following researchers for reporting these issues
and for working with Adobe to help protect our customers:

  o Francis Provencher{PRL} working with Trend Micro Zero Day Initiative
    (CVE-2021-39821, CVE-2021-39822)
  o CQY of Topsec Alpha Team (yjdfy) (CVE-2021-39820)


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

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

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        https://www.auscert.org.au/bulletins/

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
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=ij53
-----END PGP SIGNATURE-----