CVE-2025-53012 affects MaterialX, an open standard for the exchange of rich material and look-development content across applications and renderers. In version 1.39.2, an issue was identified where nested imports of MaterialX files can lead to a crash via stack memory exhaustion. The vulnerability arises due to the lack of a limit on the 'import chain' depth. When parsing file imports, the library uses recursion, which can be exploited by an attacker to create a deep chain of MaterialX files, leading to a denial-of-service condition.
The severity of this vulnerability is classified as medium, with a CVSS score of 5.5. The attack vector is network-based, and the attack complexity is low, meaning that it can be exploited without requiring significant skill or resources. Organizations utilizing MaterialX should address this issue in their patch cycle to mitigate risks associated with potential service disruptions.
As of now, there are no known exploits or proof of concept available for this vulnerability. However, the potential for denial-of-service through stack exhaustion remains a concern for organizations relying on this library.
Organizations should prioritize patching immediately. The issue has been resolved in version 1.39.3 of MaterialX, which implements a limit on the import chain depth to prevent such crashes.
Vulnerability Details
MaterialX is an open standard for the exchange of rich material and look-development content across applications and renderers. In version 1.39.2, nested imports of MaterialX files can lead to a crash via stack memory exhaustion, due to the lack of a limit on the 'import chain' depth. When parsing file imports, recursion is used to process nested files; however, there is no limit imposed to the depth of files that can be parsed by the library. By building a sufficiently deep chain of MaterialX files one referencing the next, it is possible to crash the process using the MaterialX library via stack exhaustion. This is fixed in version 1.39.3.
Technical Analysis
The root cause of this vulnerability is the lack of control over the recursion depth when parsing nested MaterialX files. An attacker can exploit this by creating a chain of imports that exceeds the stack limit, ultimately crashing the application. The attack vector is via network, and the complexity is low as no special privileges or user interaction are required.
There is no requirement for user interaction, and the impact on availability is high due to the potential for service disruption. Confidentiality and integrity impacts are non-existent, making this a primarily availability-based vulnerability.
Risk & Impact Analysis
Risk to organizations includes potential service disruptions due to crashes caused by this vulnerability. The blast radius can be significant, particularly for applications relying on MaterialX for rendering or content development. Given that the exploitability is rated as medium, organizations should address this in their priority patch cycle to mitigate the risk. The CVSS score of 5.5 indicates a moderate risk, and organizations must be proactive in their remediation efforts.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected version of MaterialX is 1.39.2. Organizations should upgrade to version 1.39.3 to mitigate this vulnerability.
Mitigation & Remediation
Organizations should upgrade to MaterialX version 1.39.3 to resolve the vulnerability. In addition, they should implement configuration hardening to limit the depth of imports in MaterialX files. Regular monitoring for unusual behavior in applications that utilize MaterialX can also aid in early detection of potential exploit attempts.
Detection Guidance
Monitor log indicators for crashes related to MaterialX processing. Behavioral anomalies such as unexpected service disruptions should be investigated. Network signatures related to MaterialX file imports might also provide additional detection capabilities.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2025-53012 highlights the importance of robust input validation mechanisms in libraries. This vulnerability serves as a reminder for security teams to assess their dependency management processes and ensure that libraries are kept up to date. A strategic defensive takeaway is to implement regular security assessments, such as penetration testing, to identify and mitigate vulnerabilities before they can be exploited.
Furthermore, organizations should consider establishing a vulnerability management program to assess and remediate weaknesses consistently. For those utilizing cloud technology, implementing an application security assessment can provide additional insights into potential risks.
Finally, organizations should prioritize training their development teams on secure coding practices to prevent similar vulnerabilities in the future.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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