Heap-Based Buffer Over-Read Vulnerability in HDF5 Package
Summary
DEBIAN-CVE-2024-32616: HDF5 Library through 1.14.3 contains a heap-based buffer over-read in H5O__dtype_encode_helper in H5Odtype.c. Affects hdf5 versions < 1.14.5+repack-1. Fixed in 1.14.5+repack-1. How to fix ↓
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Background
The HDF5 package is a widely used library designed for managing and storing large amounts of data in a structured format. It supports various data types and is utilized in numerous applications across scientific computing, engineering, and data analysis. The library's ability to handle complex data structures makes it a critical component in many software systems. However, vulnerabilities in its implementation can lead to severe security risks, such as unauthorized data access or application crashes.
Vulnerability Detail
The vulnerability identified as CVE-2024-32616 is a heap-based buffer over-read found in the HDF5 library versions up to 1.14.3. This issue arises from the function H5O__dtype_encode_helper in the file H5Odtype.c, which can lead to unintended memory access. If exploited, this vulnerability could allow an attacker to read sensitive data from memory, potentially leading to data leaks or application instability. The flaw is particularly concerning as it affects the library's core functionality, making it critical for users to address it promptly.
How To Fix
Minimum fixed version
1.14.5+repack-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade hdf5Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, users may consider limiting access to the affected applications or using alternative libraries for data management until the package can be updated. However, this is not a permanent solution and should only be used until the vulnerability is patched.
Conclusion
The HDF5 library is a critical tool for data management, but the identified vulnerability (CVE-2024-32616) poses significant risks. Users are urged to update to the latest version to protect against potential exploits. Utilizing tools like Vulert can help monitor for such vulnerabilities in real-time, ensuring that applications remain secure.
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FAQ
CVE-2024-32616 is a vulnerability in the HDF5 library that allows for a heap-based buffer over-read, potentially leading to unauthorized data access.
The vulnerability affects HDF5 versions up to 1.14.3. Users should upgrade to version 1.14.5+repack-1 or later to mitigate the risk.
You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software. By simply uploading your manifest file like package-lock.json, you can check for vulnerabilities without needing to install any software.
Exploitation of this vulnerability could lead to unauthorized access to sensitive data, application crashes, or other security breaches.
While the best course of action is to update to the patched version, users can limit access to affected applications as a temporary workaround.
References
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