Bulletin ID
Security update available for Adobe Creative Cloud Desktop Application | APSB21-111
| 
                    
     | 
                
            
                
                    
     Date Published  | 
                
            
                
                    
     Priority  | 
                
            
        
|---|---|---|
| 
                    
     APSB21-111  | 
            
                
                
                    
     November 9, 2021  | 
            
                
                
                    
     3  | 
            
        
Summary
Adobe has released an update for the Creative Cloud Desktop for Windows and macOS.  This update includes a fix for an important vulnerability that could lead to application denial of service in the context of the current user.   
   
Affected versions
| 
                    
     Product  | 
            
                
                
                    
     Affected version  | 
            
                
                
                    
     Platform  | 
            
        
| 
                    
     Creative Cloud Desktop Application   | 
            
                
                
                    
     5.5 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  | 
            
                
                
                    
     5.6  | 
            
                
                
                    
     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)  | 
            
                
                
                    
     Application denial-of-service  | 
            
                
                
                    
     Important  | 
            
                
                
                    
     4.2  | 
            
                
                
                    
     CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H  | 
            
                
                
                    
     CVE-2021-43017  | 
            
        
| 
                    
     Improper Access Control (CWE-284)  | 
            
                
                
                    
     Privilege Escalation  | 
            
                
                
                    
     Important  | 
            
                
                
                    
     7.8  | 
            
                
                
                    
     CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H  | 
            
                
                
                    
     CVE-2021-43019  | 
            
        
Acknowledgments
Adobe would like to thank the following for reporting these issues and for working with Adobe to help protect our customers: 
- CQY of Topsec Alpha Team (CVE-2021-43017)
 - Jokubas Arsoba working with Trend Micro Zero Day Initiative (CVE-2021-43019)
 
Revisions
November 11, 2021: Updated vulnerability details for CVE-2021-43017
November 22, 2021: Published vulnerability details for CVE-2021-43019
For more information, visit https://helpx.adobe.com/security.html, or email PSIRT@adobe.com.