CVE-2024-33430
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary code by tricking users into opening a specially crafted .wav audio file. It affects phiola audio processing software version 2.0-rc22. The vulnerability stems from improper input validation in the PCM conversion module.
💻 Affected Systems
- phiola
📦 What is this software?
Phiola by Stsaz
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with attacker gaining full control over the affected system, potentially leading to data theft, ransomware deployment, or lateral movement within networks.
Likely Case
Remote code execution leading to malware installation, data exfiltration, or system disruption.
If Mitigated
Denial of service or application crash if exploit fails or is blocked by security controls.
🎯 Exploit Status
Proof-of-concept available in GitHub repository. Exploitation requires user interaction to open malicious .wav file.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
1. Monitor phiola GitHub repository for security updates. 2. Consider temporary workarounds until patch is released.
🔧 Temporary Workarounds
Disable .wav file processing
allPrevent phiola from processing .wav files to block attack vector.
# Configuration depends on phiola setup - check documentation
File type restrictions
allUse system-level restrictions to prevent .wav files from being opened by phiola.
# Use OS file association controls or application whitelisting
🧯 If You Can't Patch
- Isolate affected systems from untrusted networks
- Implement application whitelisting to prevent unauthorized execution
🔍 How to Verify
Check if Vulnerable:
Check phiola version: if running 2.0-rc22, system is vulnerable.
Check Version:
phiola --version or check package manager
Verify Fix Applied:
Update to patched version when available and verify version number.
📡 Detection & Monitoring
Log Indicators:
- Application crashes with segmentation faults
- Unusual process execution from phiola
Network Indicators:
- Downloads of .wav files followed by phiola execution
SIEM Query:
Process:phiola AND (EventID:1000 OR Segmentation Fault)
🔗 References
- https://github.com/Helson-S/FuzzyTesting/blob/master/phiola/segmentFault-1/poc/I2ZFI3~5
- https://github.com/Helson-S/FuzzyTesting/blob/master/phiola/segmentFault-1/segmentFault-1.assets/image-20240420011601263.png
- https://github.com/Helson-S/FuzzyTesting/blob/master/phiola/segmentFault-1/segmentFault-1.md
- https://github.com/Helson-S/FuzzyTesting/tree/master/phiola/segmentFault-1
- https://github.com/Helson-S/FuzzyTesting/tree/master/phiola/segmentFault-1/poc
- https://github.com/stsaz/phiola/
- https://github.com/stsaz/phiola/issues/28
- https://github.com/Helson-S/FuzzyTesting/blob/master/phiola/segmentFault-1/poc/I2ZFI3~5
- https://github.com/Helson-S/FuzzyTesting/blob/master/phiola/segmentFault-1/segmentFault-1.assets/image-20240420011601263.png
- https://github.com/Helson-S/FuzzyTesting/blob/master/phiola/segmentFault-1/segmentFault-1.md
- https://github.com/Helson-S/FuzzyTesting/tree/master/phiola/segmentFault-1
- https://github.com/Helson-S/FuzzyTesting/tree/master/phiola/segmentFault-1/poc
- https://github.com/stsaz/phiola/
- https://github.com/stsaz/phiola/issues/28