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CVE-2025-21137: High Vulnerability in Adobe Substance3D - Designer

Adobe Substance3D - Designer versions 14.0 and earlier are affected by a high-severity Heap-based Buffer Overflow vulnerability. Exploitation requires user interaction, emphasizing the need for immediate remediation.

HIGHCVSS 7.8 · Published January 14, 2025

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Adobe Substance3D - Designer versions 14.0 and earlier are affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. This vulnerability allows attackers to execute arbitrary code, posing a significant risk to the integrity and confidentiality of user data.

With a CVSS score of 7.8, this vulnerability is classified as high severity, indicating that it can be exploited with relatively low complexity. The exploitation of this issue requires user interaction, as a victim must open a malicious file for the attack to succeed. Organizations must understand the real-world implications of such vulnerabilities.

Risk to organizations includes unauthorized access and control over affected systems, making it imperative for defenders to act swiftly. Organizations should prioritize patching immediately to mitigate the risks associated with this vulnerability.

Adobe's official advisory outlines necessary remediation steps. The urgency for defenders cannot be overstated, given the potential impact of exploitation.

Vulnerability Details

The Heap-based Buffer Overflow vulnerability in Adobe Substance3D - Designer versions 14.0 and earlier could lead to arbitrary code execution. The vulnerability is formally described in a vendor advisory, and it is classified under CWE-122 and CWE-787. The CVSS score of 7.8 indicates a high severity level, signaling the need for immediate attention.

The vulnerability is categorized under local attack vectors and requires user interaction to exploit. This means that the attacker must convince the user to open a malicious file, which could be a common file type that the user is likely to open.

The potential impacts of this vulnerability are significant, with high impacts on confidentiality, integrity, and availability. Organizations must assess their exposure to this vulnerability and take appropriate actions.

Technical Analysis

The root cause of the vulnerability stems from improper handling of memory in the Substance3D application. Attackers may leverage this flaw through local exploitation, requiring low complexity and no privileges to execute arbitrary code.

User interaction is required in this attack, as the victim must open a malicious file. The confidentiality impact is high, meaning sensitive information could be accessed, while integrity and availability impacts are also high, further underscoring the severity of this vulnerability.

Risk & Impact Analysis

The real-world deployment of this vulnerability poses a significant risk to organizations using Adobe Substance3D - Designer. Given its high CVSS score, the risk of exploitation is substantial, especially in environments where users may inadvertently open malicious files.

The potential blast radius of this vulnerability is broad, affecting any user with access to the affected application. Organizations should assess their exposure and apply necessary mitigations promptly.

Urgency assessment based on current intelligence suggests that organizations should address this vulnerability in their priority patch cycle. Failure to do so may result in unauthorized access and significant operational disruptions.

Exploitation Status

Signal

Status

Known Exploit

No

Public PoC

No

Actively Exploited

No

Ransomware Use

No

Affected Versions

Adobe Substance3D - Designer versions 14.0 and earlier are affected by this vulnerability. Organizations should ensure they are running version 14.1 or later to mitigate this risk.

Mitigation & Remediation

Organizations should prioritize applying the latest security patches from Adobe. To mitigate the vulnerability, upgrade to Substance3D - Designer version 14.1 or later. If immediate patching is not possible, consider implementing stricter file handling procedures to reduce exposure.

Additionally, organizations may benefit from conducting a thorough security assessment, including application security assessments, to identify potential weaknesses in their systems.

Detection Guidance

To detect potential exploitation of this vulnerability, organizations should monitor for unusual file access patterns and review logs for anomalies related to file handling in Substance3D - Designer.

Additionally, behavioral anomalies in user interactions with the application may indicate attempts to exploit this vulnerability.

AppSecure Threat Intelligence Insight

The long-term significance of this vulnerability lies in its potential to be exploited in targeted attacks, particularly against users who may not be aware of the risks associated with opening untrusted files.

Organizations should view this incident as a reminder of the importance of user education regarding cybersecurity best practices. Regular training and awareness programs can help mitigate risks stemming from user interactions.

For further insights into the evolving threat landscape, organizations can explore our resources on vulnerability management and penetration testing methodology to strengthen their overall security posture.

Additionally, organizations should consider engaging in red teaming services to simulate potential attack scenarios and enhance their defense mechanisms.

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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