Buffer Overflow Vulnerability in HDF5 Package Leading to Potential Code Execution
Summary
DEBIAN-CVE-2024-29165: HDF5 through 1.14.3 contains a buffer overflow in H5Z__filter_fletcher32, resulting in the corruption of the instruction pointer and causing denial of service or potential code execution. Affects hdf5 versions < 1.14.5+repack-1. Fixed in 1.14.5+repack-1. How to fix ↓
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Background
HDF5 is a widely used file format and library designed for storing and managing large amounts of data. It is particularly popular in scientific computing, data analysis, and engineering applications due to its ability to handle complex data structures efficiently. However, versions of HDF5 up to 1.14.3 are vulnerable to a buffer overflow issue that can compromise the integrity of the application and lead to severe security risks.
Vulnerability Detail
The vulnerability in HDF5 arises from a buffer overflow in the function H5Z__filter_fletcher32. This flaw can corrupt the instruction pointer, potentially leading to a denial of service or allowing an attacker to execute arbitrary code. The issue is rooted in improper handling of data during the filtering process, which can be exploited if an attacker crafts specific input data.
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 can avoid using the affected filtering function or restrict the input data to prevent triggering the buffer overflow. However, this is not a permanent solution and updating the package is strongly recommended.
Conclusion
The buffer overflow vulnerability in the HDF5 package poses significant risks, including potential code execution and denial of service. Users are urged to update to the latest patched version to safeguard their applications. Utilizing tools like Vulert can help in monitoring and managing open-source vulnerabilities effectively.
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FAQ
The vulnerability can lead to denial of service or potential code execution, compromising the security of applications using HDF5.
You can use Vulert, which monitors open-source vulnerabilities in real-time. By uploading your manifest file like package-lock.json, you can check for vulnerabilities without needing to install any software.
Yes, the patched version of HDF5 is 1.14.5+repack-1. Users should update to this version to mitigate the vulnerability.
If an immediate update is not possible, consider implementing input validation to prevent triggering the buffer overflow as a temporary measure.
Detailed information can be found in the Debian CVE database or by visiting the Vulert website for real-time monitoring of vulnerabilities.
References
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