Advisory Details

April 15th, 2021

Adobe Bridge Genuine Software Service Incorrect Permission Assignment Denial-of-Service Vulnerability

ZDI-21-417
ZDI-CAN-12735

CVE ID CVE-2021-21096
CVSS SCORE 6.1, (AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H)
AFFECTED VENDORS Adobe
AFFECTED PRODUCTS Bridge
VULNERABILITY DETAILS

This vulnerability allows local attackers to create a denial-of-service condition on affected installations of Adobe Bridge. 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 the AdobeGCData directory by the Adobe Genuine Software Service. The issue results from incorrect permissions set on this directory. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.

ADDITIONAL DETAILS Adobe has issued an update to correct this vulnerability. More details can be found at:
https://helpx.adobe.com/security/products/bridge/apsb21-23.html
DISCLOSURE TIMELINE
  • 2021-02-10 - Vulnerability reported to vendor
  • 2021-04-15 - Coordinated public release of advisory
CREDIT ikth
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