Advisory Details

June 16th, 2023

Adobe Substance 3D Designer SBS File Parsing Uninitialized Variable Remote Code Execution Vulnerability

ZDI-23-888
ZDI-CAN-20963

CVE ID CVE-2023-21618
CVSS SCORE 7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS Adobe
AFFECTED PRODUCTS Substance 3D Designer
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Adobe Substance 3D Designer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the parsing of SBS files. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this vulnerability to execute code in the context of the current process.

ADDITIONAL DETAILS Adobe has issued an update to correct this vulnerability. More details can be found at:
https://helpx.adobe.com/security/products/substance3d_designer/apsb23-39.html
DISCLOSURE TIMELINE
  • 2023-04-26 - Vulnerability reported to vendor
  • 2023-06-16 - Coordinated public release of advisory
CREDIT Mat Powell of Trend Micro Zero Day Initiative
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