Heap Buffer Overflow in ADMesh Package Due to Improper Array Index Validation
Summary
DEBIAN-CVE-2022-38072: An improper array index validation vulnerability exists in the stl_fix_normal_directions functionality of ADMesh Master Commit 767a105 and v0.98.4. Affects admesh versions 0.98.4-1 – 0.98.5-1. No fix is published. How to fix ↓
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Background
ADMesh is a software tool used for processing and repairing STL files, commonly utilized in 3D printing and computer-aided design. It is designed to fix issues in STL files, ensuring they are suitable for 3D printing. However, a vulnerability has been identified in versions of ADMesh prior to 0.98.5, which can lead to severe security risks if exploited.
Vulnerability Detail
An improper array index validation vulnerability exists in the stl_fix_normal_directions functionality of ADMesh Master Commit 767a105 and version 0.98.4. This flaw allows an attacker to craft a specially-designed STL file that triggers a heap buffer overflow, potentially leading to arbitrary code execution, data corruption, or system crashes. The vulnerability has a CVSS score of 8.8, indicating a high severity level.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, users should avoid opening or processing STL files from untrusted sources until the package is updated. Additionally, consider using alternative software for STL file processing that does not have this vulnerability.
Conclusion
The ADMesh package has a critical vulnerability that can lead to severe security issues if not addressed. Users are strongly advised to update to the latest version to mitigate risks. Additionally, utilizing tools like Vulert can help monitor and alert for vulnerabilities in real-time.
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FAQ
The vulnerability is a heap buffer overflow caused by improper array index validation in the stl_fix_normal_directions functionality.
If exploited, this vulnerability can lead to arbitrary code execution, data corruption, or system crashes, posing significant security risks.
ADMesh versions prior to 0.98.5 are affected by this vulnerability.
You can check if your application is affected by using the Vulert playground at Vulert Scanner, which allows you to monitor and alert for open-source vulnerabilities without requiring installation.
If immediate updates are not possible, avoid processing STL files from untrusted sources and consider using alternative software until the vulnerability is addressed.
References
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