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                             CERT-Renater

                 Note d'Information No. 2021/VULN373
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DATE                : 22/07/2021

HARDWARE PLATFORM(S): /

OPERATING SYSTEM(S): Systems running Photoshop versions prior to
                                      21.2.10, 22.4.3.

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https://helpx.adobe.com/security/products/photoshop/apsb21-63.html
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Security updates available for Adobe Photoshop | APSB21-63


Bulletin ID         Date Published       Priority
APSB21-63           July 20, 2021        3


Summary

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


Affected Versions

Product            Affected version              Platform

Photoshop 2020     21.2.9 and earlier versions   Windows and macOS

Photoshop 2021     22.4.2  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       21.2.10       Windows and macOS   3

Photoshop 2021       22.4.3        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

Stack-based Buffer Overflow (CWE-121)   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-2021-36005

Improper Input Validation (CWE-20)   Arbitrary file system read
Moderate   3.3   CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVE-2021-36006


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-2021-36005)
    Mat Powell of Trend Micro Zero Day Initiative (CVE-2021-36006)

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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