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AUSCERT External Security Bulletin Redistribution
ESB-2021.3081
APSB21-81 Security update available for Adobe Genuine Service
15 September 2021
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AusCERT Security Bulletin Summary
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Product: Adobe Genuine Service
Publisher: Adobe
Operating System: Windows
Mac OS
Impact/Access: Increased Privileges -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-40708
Original Bulletin:
https://helpx.adobe.com/security/products/integrity_service/apsb21-81.html
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Security Updates Available for Adobe Genuine Service | APSB21-81
Bulletin ID Date Published Priority
APSB21-81 September 14, 2020 3
Summary
Adobe has released updates for Adobe Genuine Service for Windows and macOS.
This update resolves a critical vulnerability that could lead to privilege
escalation in the context of the current user.
Affected Versions
Product Version Platform
Adobe Genuine Service 7.3 and earlier versions Windows and macOS
Note:
To verify the version of Adobe Genuine Service installed on your system, please
follow the following steps:
For Windows machines:
o Navigate to C:\Program Files (x86)\Common Files\Adobe\AdobeGCClient
o Right click on AdobeGCClient.exe, select "Properties".
o Go to "Details" tab, the File Version can be seen within.
For mac machines:
o Navigate to /Library/Application Support/Adobe/AdobeGCClient/
o Right click on AdobeGCClient, select Get Info.
o File Version can be seen corresponding version tag
Solution
Adobe categorizes these updates with the following priority ratings .
Product Version Platform Priority Rating
Adobe Genuine Service 7.4 Windows and macOS 3
Note:
Adobe Genuine Integrity Service has a self-update mechanism that runs
automatically at a regular interval when the host is connected to the internet.
For more details regarding Adobe Genuine Integrity Service, please visit here .
Vulnerability details
Vulnerability Vulnerability CVSS
Category Impact Severity base CVSS vector CVE Numbers
score
Creation of
Temporary File in CVSS:3.1/AV:L/
Directory with Privilege AC:L/PR:L/UI:R
Incorrect Escalation Critical 7.3 /S:U/C:H/I:H/ CVE-2021-40708
Permissions A:H
( CWE-379 )
Acknowledgments
Adobe would like to thank CQY of Topsec Alpha Team (yjdfy) for reporting these
issues and for working with Adobe to help protect our customers.
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