Advisory Details

November 24th, 2021

Adobe Creative Cloud Incorrect Permission Assignment Privilege Escalation Vulnerability

ZDI-21-1333
ZDI-CAN-14772

CVE ID CVE-2021-43019
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. 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 product installer. The issue results from incorrect permsissions set on a folder. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

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/apsb21-111.html
DISCLOSURE TIMELINE
  • 2021-09-01 - Vulnerability reported to vendor
  • 2021-11-24 - Coordinated public release of advisory
CREDIT Jokubas Arsoba
BACK TO ADVISORIES