CVE-2024-32607
📋 TL;DR
CVE-2024-32607 is a memory corruption vulnerability in the HDF5 library that can cause a segmentation fault (SEGV) when closing attributes, potentially allowing attackers to crash applications or execute arbitrary code. This affects any software using vulnerable versions of the HDF5 library for scientific data storage. Users of HDF5-dependent applications in research, engineering, and data analysis are at risk.
💻 Affected Systems
- HDF5 Library
- Applications using HDF5 library (e.g., scientific software, data analysis tools)
📦 What is this software?
Hdf5 by Hdfgroup
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise if an attacker can trigger the vulnerability through malicious HDF5 files.
Likely Case
Denial of service through application crashes when processing specially crafted HDF5 files.
If Mitigated
Limited impact with proper input validation and sandboxing of HDF5 file processing.
🎯 Exploit Status
Exploitation requires crafting malicious HDF5 files to trigger the SEGV, but no public exploit code is available.
🛠️ 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 hdfgroup.org. 2. Compile and install the new version. 3. Recompile any applications using HDF5 against the patched library. 4. Restart affected services.
🔧 Temporary Workarounds
Input validation for HDF5 files
allImplement strict validation of HDF5 files before processing to reject potentially malicious content.
Sandbox HDF5 processing
allIsolate HDF5 file processing in containers or restricted environments to limit impact.
🧯 If You Can't Patch
- Restrict HDF5 file sources to trusted origins only.
- Monitor for application crashes related to HDF5 processing and investigate anomalies.
🔍 How to Verify
Check if Vulnerable:
Check HDF5 library version with '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 test with known HDF5 files to ensure no crashes.📡 Detection & Monitoring
Log Indicators:
- Segmentation fault (SEGV) errors in application logs
- Unexpected process termination when handling HDF5 files
Network Indicators:
- Unusual HDF5 file transfers to sensitive systems
SIEM Query:
Process:name contains 'h5' AND Event:contains 'segmentation fault'