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                             CERT-Renater

                 Note d'Information No. 2021/VULN395
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DATE                : 18/08/2021

HARDWARE PLATFORM(S): /

OPERATING SYSTEM(S): Windows, macOS running Adobe Photoshop versions
                               prior to 21.2.11, 22.5.

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https://helpx.adobe.com/security/products/photoshop/apsb21-68.html
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Security updates available for Adobe Photoshop | APSB21-68

Bulletin ID    Date Published    Priority
APSB21-68      August 17, 2021   3


Summary

Adobe has released updates for Photoshop for Windows and macOS. These
updates resolve multiple critical vulnerabilities.  Successful
exploitation could lead to arbitrary code execution in the context of
the current user.                    


Affected Versions

Product             Affected version        Platform

Photoshop 2020   21.2.10 and earlier versions  Windows and macOS

Photoshop 2021   22.4.3  and earlier versions  Windows and macOS


Solution

Adobe categorizes these updates with the following priority ratings and
recommends users update their installation to the newest version via
the Creative Cloud desktop app’s update mechanism.  For more
information, please reference this help page.   


Product
	

Updated versions
	

Platform
	

Priority

Photoshop 2020     21.2.11    Windows and macOS    3

Photoshop 2021     22.5       Windows and macOS    3


Note:

For managed environments, IT administrators can use the Admin Console to
deploy Creative Cloud applications to end users. Refer to this help page
for more information.


Vulnerability details

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

Heap-based Buffer Overflow (CWE-122)   Arbitrary code execution
Critical     7.8   CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
	CVE-2021-36065

Out-of-bounds Write (CWE-787)   Arbitrary code execution 
Critical     7.8   CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
	CVE-2021-36066


Acknowledgments

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

    Yongjun Liu of nsfocus security team (liuyongjun) (CVE-2021-36065)
    Francis Provencher {PRL} working with Trend Micro Zero Day
      Initiative ( CVE-2021-36066)

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


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+ CERT-RENATER       |    tel : 01-53-94-20-44          +
+ 23/25 Rue Daviel   |    fax : 01-53-94-20-41          +
+ 75013 Paris        |    email:cert@support.renater.fr +
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