Autodesk Desktop App Link Following Local Privilege Escalation Vulnerability

July 29th, 2022
ZDI-22-1035 ZDI-CAN-16887

CVE ID

CVE-2022-33882

CVSS Score

7.8 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors

Autodesk

Affected Products

Desktop App

Vulnerability Details

This vulnerability allows local attackers to escalate privileges on affected installations of Autodesk Desktop App. 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 updates. By creating a symbolic link, an attacker can abuse the application to delete a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

Additional Details

Autodesk has issued an update to correct this vulnerability. More details can be found at:
https://www.autodesk.com/trust/security-advisories/adsk-sa-2022-0015

Disclosure Timeline

  • 2022-03-16 - Vulnerability reported to vendor
  • 2022-07-29 - Coordinated public release of advisory

Credit

Michael DePlante (@izobashi) of Trend Micro's Zero Day Initiative

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