CVE-2023-29285 in Substance 3D Painter
Summary
by MITRE • 05/12/2023
Adobe Substance 3D Painter versions 8.3.0 (and earlier) is affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
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Analysis
by VulDB Data Team • 12/08/2025
Adobe Substance 3D Painter version 8.3.0 and earlier contains a critical out-of-bounds write vulnerability that represents a significant security risk for users of this 3D texturing software. This vulnerability falls under the Common Weakness Enumeration category CWE-787, which specifically addresses out-of-bounds write conditions that can lead to arbitrary code execution. The flaw exists within the application's handling of malformed input files, particularly those that are crafted to exploit memory corruption during file processing. The vulnerability requires user interaction to be exploited, meaning that an attacker must convince a victim to open a specifically crafted malicious file, typically through social engineering or supply chain compromise tactics.
The technical implementation of this vulnerability stems from insufficient bounds checking within the software's file parsing routines. When Substance 3D Painter processes certain malformed files, the application fails to properly validate array indices or buffer boundaries, allowing an attacker to write data beyond the allocated memory space. This memory corruption can overwrite critical program structures, function pointers, or other essential data elements that control program execution flow. The exploitability of this vulnerability is directly tied to the application's file handling behavior, which processes external input without adequate sanitization or validation mechanisms. According to the ATT&CK framework, this vulnerability maps to T1203 - Exploitation for Client Execution, where adversaries leverage application flaws to execute malicious code through user interaction.
The operational impact of this vulnerability extends beyond simple code execution, as it can potentially allow attackers to gain full control over the victim's system. The arbitrary code execution occurs within the context of the current user, meaning that if successful, an attacker could install malware, modify system files, or access sensitive data stored within the user's environment. This makes the vulnerability particularly dangerous in enterprise settings where users may have elevated privileges or access to critical systems. The attack vector is relatively straightforward, requiring only that a user open a malicious file, which makes it susceptible to phishing campaigns, malicious file sharing, or compromised software distribution channels.
Organizations using Adobe Substance 3D Painter should prioritize immediate remediation through the vendor's official security updates, as this vulnerability represents a high-severity risk that can be exploited without requiring advanced technical skills from the attacker. The recommended mitigation strategy involves updating to the latest version of Substance 3D Painter that contains patches for this specific vulnerability, along with implementing additional security controls such as email filtering, application whitelisting, and user education about the risks of opening untrusted files. Security teams should also monitor for any indicators of compromise related to this vulnerability and consider implementing network-based detection measures to identify potential exploitation attempts. The vulnerability demonstrates the importance of maintaining up-to-date software and implementing defense-in-depth strategies to protect against application-level exploits that leverage user interaction as a primary attack vector.