Advisory Details

March 15th, 2021

Adobe Creative Cloud Improper Privilege Management Privilege Escalation Vulnerability

ZDI-21-281
ZDI-CAN-12450

CVE ID CVE-2021-21069
CVSS SCORE 7.8, (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
AFFECTED VENDORS Adobe
AFFECTED PRODUCTS Creative Cloud
VULNERABILITY DETAILS

This vulnerability allows local attackers to escalate privileges on affected installations of Adobe Creative Cloud on Apple macOS. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the Adobe privileged helper tool. The issue lies in the lack of proper validation of the helper clients. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root.

ADDITIONAL DETAILS Adobe has issued an update to correct this vulnerability. More details can be found at:
https://helpx.adobe.com/security/products/creative-cloud/apsb21-18.html
DISCLOSURE TIMELINE
  • 2021-02-03 - Vulnerability reported to vendor
  • 2021-03-15 - Coordinated public release of advisory
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