CVE-2025-57612
📋 TL;DR
A null pointer dereference vulnerability in rust-ffmpeg's name() method allows attackers to cause denial of service by triggering a crash. This affects applications using rust-ffmpeg 0.3.0 after commit 5ac0527 to process audio with unrecognized sample formats. Developers integrating this library into their Rust applications are primarily affected.
💻 Affected Systems
- rust-ffmpeg
📦 What is this software?
Rust Ffmpeg by Meh.schizofreni
⚠️ Risk & Real-World Impact
Worst Case
Complete application crash leading to denial of service, potentially disrupting dependent services or causing data loss if processing occurs during critical operations.
Likely Case
Application instability or crashes when processing malformed or specially crafted audio files, resulting in service disruption.
If Mitigated
Controlled application termination with proper error handling, minimal service impact if deployed with redundancy.
🎯 Exploit Status
Exploitation requires providing an unrecognized sample format to trigger the NULL return from av_get_sample_fmt_name().
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check GitHub issue #192 for specific fix commit
Vendor Advisory: https://github.com/meh/rust-ffmpeg/issues/192
Restart Required: Yes
Instructions:
1. Monitor GitHub issue #192 for official patch
2. Update rust-ffmpeg dependency to patched version
3. Rebuild and redeploy affected applications
4. Test with sample audio files to verify fix
🔧 Temporary Workarounds
Input Validation
allValidate audio sample formats before passing to rust-ffmpeg
Error Handling Wrapper
allWrap rust-ffmpeg calls with try-catch and null checks
🧯 If You Can't Patch
- Implement strict input validation for all audio processing
- Deploy redundant instances with load balancing to maintain availability during crashes
🔍 How to Verify
Check if Vulnerable:
Check Cargo.toml for rust-ffmpeg version 0.3.0 and verify commit hash is after 5ac0527Check Version:
grep rust-ffmpeg Cargo.tomlVerify Fix Applied:
Test with audio files containing various sample formats and monitor for crashes📡 Detection & Monitoring
Log Indicators:
- Application crashes with segmentation fault
- Null pointer exception logs
- Unexpected process termination during audio processing
Network Indicators:
- Sudden drop in audio processing service availability
SIEM Query:
process.name="your_application" AND (event.type="crash" OR error.message="segmentation fault")