Bulletin ID
Security update available for Adobe Creative Cloud Desktop Application | APSB21-76
| 
                    
     | 
                
            
                
                    
     Date Published  | 
                
            
                
                    
     Priority  | 
                
            
        
|---|---|---|
| 
                    
     ASPB21-76  | 
            
                
                
                    
     September 14, 2021  | 
            
                
                
                    
     3  | 
            
        
Summary
Adobe has released an update for the Creative Cloud Desktop for Windows and macOS. This update includes a fix for a critical vulnerability that could lead to arbitrary file system read in the context of current user.
Affected versions
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     Product  | 
            
                
                
                    
     Affected version  | 
            
                
                
                    
     Platform  | 
            
        
| 
                    
     Creative Cloud Desktop Application   | 
            
                
                
                    
     5.4 and earlier version  | 
            
                
                
                    
     macOS  | 
            
        
Solution
Adobe categorizes this update with the following priority rating and recommends users update their installation to the newest version:
| 
                    
     Product  | 
            
                
                
                    
     Updated version  | 
            
                
                
                    
     Platform  | 
            
                
                
                    
     Priority rating  | 
            
                
                
                    
     Availability  | 
            
        
| 
                    
     Creative Cloud Desktop Application  | 
            
                
                
                    
     5.5  | 
            
                
                
                    
     macOS  | 
            
                
                
                    
     3  | 
            
                
                
Vulnerability Details
| 
                    
     Vulnerability Category  | 
                
            
                
                    
     Vulnerability Impact  | 
                
            
                
                    
     Severity  | 
                
            
                
                    
     CVSS base score   | 
                
            
                
                    
     CVE Numbers  | 
                
            
        |
|---|---|---|---|---|---|
| 
                    
     Creation of Temporary File in Directory with Incorrect Permissions (CWE-379)  | 
            
                
                
                    
     Arbitrary file system write  | 
            
                
                
                    
     Critical  | 
            
                
                
                    
     7.7  | 
            
                
                
                    
     CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H  | 
            
                
                
                    
     CVE-2021-28613  | 
            
        
Acknowledgments
Adobe would like to thank CQY of Topsec Alpha Team (yjdfy) for reporting this issue and for working with Adobe to help protect our customers.
Revisions
September 20, 2021: Updated CVSS base score and CVSS vector for CVE-2021-28613.
September 27, 2021: Updated solution to only specify affected platform is macOS.
For more information, visit https://helpx.adobe.com/security.html , or email PSIRT@adobe.com.