#VU74935 Stack-based buffer overflow in Substance 3D Stager - CVE-2023-26390

Vulnerability identifier: #VU74935

Vulnerability risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-26390

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Substance 3D Stager
Client/Desktop applications / Multimedia software

Vendor: Adobe

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing files. A remote unauthenticated attacker can trick the victim to open a specially crafted file, trigger a stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Substance 3D Stager: 1.0.0 - 2.0.1

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External links
https://helpx.adobe.com/security/products/substance3d_stager/apsb23-26.html
https://www.zerodayinitiative.com/advisories/ZDI-23-419/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.