Critical UNKNOWN READ Vulnerability in Matio Package
Summary
OSV-2026-788: UNKNOWN READ in Mat_VarGetStructsLinear. Affects matio versions >= ac1c67c687533d2de55f96709ed4512d4c197801, < 025931c79b03304300a9ea14c4c8a21fbde07430. Fixed in 025931c79b03304300a9ea14c4c8a21fbde07430. How to fix ↓
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Background
Matio is an open-source library designed for reading and writing MATLAB files. It provides a range of functionalities for handling various data structures commonly used in MATLAB, making it a valuable tool for developers working with scientific computing and data analysis. However, like many software libraries, it is susceptible to vulnerabilities that can compromise its integrity and the security of applications that depend on it.
Vulnerability Detail
The vulnerability identified as UNKNOWN READ in the Mat_VarGetStructsLinear function arises from improper handling of data structures within the library. This issue was reported through OSS-Fuzz, a tool that helps identify security vulnerabilities in open-source software. The ramifications of this vulnerability can be severe, potentially leading to crashes or unintended behavior in applications that utilize the Matio library. It is crucial for developers to address this vulnerability promptly to maintain the security and reliability of their applications.
How To Fix
Minimum fixed version
025931c79b03304300a9ea14c4c8a21fbde07430
This is the first release that contains the fix.
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Workaround
As a temporary workaround, you may consider avoiding the use of the Mat_VarGetStructsLinear function until the package is updated. This can help mitigate the risk of encountering the vulnerability while you work on implementing the fix.
Conclusion
The UNKNOWN READ vulnerability in the Matio package poses a significant risk to applications that utilize this library. It is essential for developers to update to the patched version to ensure the security and stability of their software. By following the outlined steps and utilizing tools like Vulert, developers can effectively manage and mitigate vulnerabilities in their applications.
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FAQ
The UNKNOWN READ vulnerability is a security flaw that occurs due to improper handling of data structures, which can lead to crashes or unintended behavior in applications.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. Simply upload your manifest file like package-lock.json to check for vulnerabilities.
To update the Matio package, clone the repository from GitHub and checkout the fixed version using the provided commands.
Yes, you can avoid using the Mat_VarGetStructsLinear function until the package is updated to reduce the risk of encountering the vulnerability.
More information can be found in the OSS-Fuzz report linked in the vulnerability details, which provides insights into the crash state and affected functions.
References
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