CVE-2024-29163
📋 TL;DR
This CVE describes a heap buffer overflow vulnerability in HDF5 library versions through 1.14.3. Attackers can exploit this to corrupt the instruction pointer, potentially leading to denial of service or arbitrary code execution. Any application or system using vulnerable HDF5 versions is affected.
💻 Affected Systems
- HDF5 library
- Applications using HDF5 (scientific computing, data analysis tools)
📦 What is this software?
Hdf5 by Hdfgroup
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, data theft, or ransomware deployment.
Likely Case
Denial of service causing application crashes or system instability when processing malicious HDF5 files.
If Mitigated
Application crashes with no data loss if proper sandboxing and privilege separation are implemented.
🎯 Exploit Status
Exploitation requires crafting malicious HDF5 files that trigger the buffer overflow in H5T__bit_find function.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: HDF5 1.14.4
Vendor Advisory: https://www.hdfgroup.org/2024/05/new-hdf5-cve-issues-fixed-in-1-14-4/
Restart Required: Yes
Instructions:
1. Download HDF5 1.14.4 from official HDF Group website. 2. Uninstall vulnerable HDF5 version. 3. Install HDF5 1.14.4. 4. Recompile any applications using HDF5 against the new library. 5. Restart affected services and applications.
🔧 Temporary Workarounds
Input validation for HDF5 files
allImplement strict validation of HDF5 files before processing to reject potentially malicious inputs.
Sandbox HDF5 processing
linuxRun HDF5 file processing in isolated containers or sandboxes with minimal privileges.
docker run --read-only --cap-drop=ALL -v /safe/input:/input:ro your_app
🧯 If You Can't Patch
- Implement network segmentation to isolate systems using HDF5 from critical infrastructure.
- Deploy application allowlisting to prevent execution of unauthorized binaries that might exploit the vulnerability.
🔍 How to Verify
Check if Vulnerable:
Check HDF5 library version: h5dump --version or examine linked libraries in applications.Check Version:
h5dump --version | grep 'HDF5'Verify Fix Applied:
Confirm HDF5 version is 1.14.4 or later and applications are linked against the patched library.📡 Detection & Monitoring
Log Indicators:
- Application crashes with segmentation faults
- Unexpected termination of HDF5 processing services
- Memory corruption errors in system logs
Network Indicators:
- Unusual HDF5 file transfers to sensitive systems
- Multiple failed HDF5 file processing attempts
SIEM Query:
source="application.logs" AND ("segmentation fault" OR "SIGSEGV") AND process="*hdf5*"