CVE-2024-29166
📋 TL;DR
CVE-2024-29166 is a buffer overflow vulnerability in HDF5 library versions through 1.14.3 that can corrupt the instruction pointer when processing specially crafted HDF5 files. This could lead to denial of service or potential remote code execution. Any application or system using vulnerable HDF5 libraries to process untrusted HDF5 files is affected.
💻 Affected Systems
- HDF5 library
- Applications using HDF5 library
📦 What is this software?
Hdf5 by Hdfgroup
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution with the privileges of the application processing the HDF5 file, potentially leading to full system compromise.
Likely Case
Denial of service through application crash when processing malicious HDF5 files.
If Mitigated
Application crash with no code execution if exploit mitigations like ASLR are effective.
🎯 Exploit Status
Exploitation requires crafting a malicious HDF5 file that triggers the buffer overflow in H5O__linfo_decode 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. Replace existing HDF5 installation with patched version. 3. Recompile any applications using HDF5 libraries. 4. Restart affected services.
🔧 Temporary Workarounds
Input validation for HDF5 files
allImplement strict validation of HDF5 files before processing
Sandbox HDF5 processing
allRun HDF5 file processing in isolated containers or sandboxes
🧯 If You Can't Patch
- Restrict processing of HDF5 files from untrusted sources
- Implement network segmentation to isolate systems using HDF5
🔍 How to Verify
Check if Vulnerable:
Check HDF5 library version: h5dump --version or check installed package versionCheck Version:
h5dump --version | grep 'HDF5 Version'Verify Fix Applied:
Verify HDF5 version is 1.14.4 or later📡 Detection & Monitoring
Log Indicators:
- Application crashes when processing HDF5 files
- Segmentation faults in HDF5-related processes
Network Indicators:
- Unusual HDF5 file uploads to applications
- Large HDF5 file transfers to vulnerable systems
SIEM Query:
process_name:h5* AND (event_type:crash OR exit_code:139)