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AUSCERT External Security Bulletin Redistribution
ESB-2021.2777
APSB21-68 Security update available for Adobe Photoshop
18 August 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: Adobe Photoshop
Publisher: Adobe
Operating System: Mac OS
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-36066 CVE-2021-36065
Original Bulletin:
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 Vulnerability CVSS
Category Impact Severity base CVSS vector CVE Number
score
Heap-based Arbitrary CVSS:3.1/AV:L/AC:L
Buffer Overflow code Critical 7.8 /PR:N/UI:R/S:U/C:H CVE-2021-36065
( CWE-122 ) execution /I:H/A:H
Out-of-bounds Arbitrary CVSS:3.1/AV:L/AC:L
Write code Critical 7.8 /PR:N/UI:R/S:U/C:H CVE-2021-36066
execution /I:H/A:H
( CWE-787 )
Acknowledgments
Adobe would like to thank the following for reporting the relevant issues and
for working with Adobe to help protect our customers:
o Yongjun Liu of nsfocus security team (liuyongjun) (CVE-2021-36065)
o Francis Provencher {PRL} working with Trend Micro Zero Day Initiative (
CVE-2021-36066)
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