Advisory Details

April 7th, 2020

Adobe Acrobat Pro DC Genuine Software Service Incorrect Permission Assignment Privilege Escalation Vulnerability

ZDI-20-372
ZDI-CAN-9598

CVE ID CVE-2020-3766
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 Acrobat Pro DC
VULNERABILITY DETAILS

This vulnerability allows local attackers to escalate privileges on affected installations of Adobe Genuine Software Service. 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 handling of SLC files by the Adobe Genuine Software Service. The issue results from the lack of proper permissions on a resource used by the service. An attacker can leverage this vulnerability to escalate privileges and execute 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/integrity_service/apsb20-12.html
DISCLOSURE TIMELINE
  • 2019-12-13 - Vulnerability reported to vendor
  • 2020-04-07 - Coordinated public release of advisory
CREDIT Glenn Lloyd
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