Advisory Details

April 12th, 2023

Adobe Substance 3D Stager USDC File Parsing Uninitialized Variable Information Disclosure Vulnerability

ZDI-23-411
ZDI-CAN-20266

CVE ID CVE-2023-26386
CVSS SCORE 3.3, AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
AFFECTED VENDORS Adobe
AFFECTED PRODUCTS Substance 3D Stager
VULNERABILITY DETAILS

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Adobe Substance 3D Stager. 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 USDC files. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary 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_stager/apsb23-26.html
DISCLOSURE TIMELINE
  • 2023-01-26 - Vulnerability reported to vendor
  • 2023-04-12 - Coordinated public release of advisory
CREDIT Mat Powell of Trend Micro Zero Day Initiative
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