Bulletin ID
Security update available for Adobe Creative Cloud Desktop Application | APSB21-18
| 
                    
     | 
                
            
                
                    
     Date Published  | 
                
            
                
                    
     Priority  | 
                
            
        
|---|---|---|
| 
                    
     ASPB21-18  | 
            
                
                
                    
     March 09, 2021  | 
            
                
                
                    
     3  | 
            
        
Summary
Adobe has released a security update for the Creative Cloud Desktop Application. This update resolves multiple critical vulnerabilities that could lead to arbitrary code execution in the context of current user.
Affected versions
| 
                    
     Product  | 
            
                
                
                    
     Affected version  | 
            
                
                
                    
     Platform  | 
            
        
| 
                    
     Creative Cloud Desktop Application  | 
            
                
                
                    
     5.3 and earlier version  | 
            
                
                
                    
     Windows and Mac OS  | 
            
        
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  | 
            
                
                
                    
     5.4  | 
            
                
                
                    
     Windows and Mac OS  | 
            
                
                
                    
     3  | 
            
                
                
Vulnerability Details
| 
                    
     Vulnerability Category  | 
                
            
                
                    
     Vulnerability Impact  | 
                
            
                
                    
     Severity  | 
                
            
                
                    
     CVE Numbers  | 
                
            
        
|---|---|---|---|
| 
                    
     Arbitrary file overwrite  | 
            
                
                
                    
     Arbitrary Code Execution  | 
            
                
                
                    
     Critical  | 
            
                
                
                    
     CVE-2021-21068  | 
            
        
| 
                    
     OS Command Injection  | 
            
                
                
                    
     Arbitrary Code Execution          | 
            
                
                
                    
     Critical  | 
            
                
                
                    
     CVE-2021-21078  | 
            
        
| 
                    
     Improper Input Validation  | 
            
                
                
                    
     Privilege escalation  | 
            
                
                
                    
     Critical  | 
            
                
                
                    
     CVE-2021-21069 CVE-2021-28547  | 
            
        
Acknowledgments
Adobe would like to thank the following researchers for reporting this issue and for working with Adobe to help protect our customers.
- Yjdfy (CVE-2021-21068, CVE-2021-28547)
 - Rookuu working with Trend Micro Zero Day Initiative (CVE-2021-21069)
 - Sebastian Fuchs from Star Finanz (CVE-2021-21078)
 
Revisions
March 26, 2021: Added details for CVE-2021-28547.