Adobe Security Bulletin

Security Updates Available for Adobe Genuine Software Client | APSB20-42

Bulletin ID

Date Published

Priority

APSB20-42

July 14, 2020

3

Summary

Adobe has released updates for the Adobe Genuine Software Client for Windows and macOS. This update resolves important vulnerabilities which could lead to privilege escalation in the context of the current user.    

Affected Versions

Product

Version

Platform

Adobe Genuine Software Client

Version 6.6 and earlier versions   

Windows and macOS

Note:

To verify the version of Adobe Genuine Software Client installed on your system, please follow the following steps:

  • For Windows machines, navigate to C:\Program Files (x86)\Common Files\Adobe\AdobeGCClient
  • Right click on AdobeGCClient.exe, select “Properties”.
  • Go to “Details” tab, the File Version can be seen within.

Solution

Adobe categorizes these updates with the following priority ratings.

Product

Version

Platform

Priority Rating

Adobe Genuine Software Client      

7.1

Windows and macOS

3

Note:

Adobe Genuine Software Client 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 Software Client, please visit here.

Vulnerability details

Vulnerability Category

Vulnerability Impact

Severity

CVE Numbers

Insecure library loading

Privilege Escalation

Important

CVE-2020-9667

CVE-2020-9681

Mishandling symbolic links 

Privilege Escalation

Important

CVE-2020-9668

Acknowledgments

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

  • Adrian Denkiewicz from CQURE. (CVE-2020-9667)
  • Zhongcheng Li (CK01) of Topsec Alpha Team (CVE-2020-9668, CVE-2020-9681)

 

Revisions

May 05, 2020: Updated Acknowledgements section and Solution Platform section.

November 8, 2022: Updated product name to "Adobe Genuine Software Client"

 Adobe

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