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.