CVE-2025-29487
📋 TL;DR
CVE-2025-29487 is an out-of-memory vulnerability in libming's parseABC_STRING_INFO function that allows attackers to trigger allocator exhaustion, leading to Denial of Service. This affects systems using libming v0.4.8 to parse SWF/Flash content, potentially impacting media processing applications and web services that handle Flash files.
💻 Affected Systems
- libming
📦 What is this software?
Libming by Libming
⚠️ Risk & Real-World Impact
Worst Case
Complete service unavailability due to memory exhaustion crashes, potentially affecting multiple dependent services if libming is used in critical processing pipelines.
Likely Case
Application crashes or hangs when processing maliciously crafted SWF files, requiring manual restart of affected services.
If Mitigated
Controlled application termination with proper monitoring and restart mechanisms, minimal service disruption.
🎯 Exploit Status
Proof-of-concept available on GitHub demonstrates the memory exhaustion trigger. Exploitation requires ability to supply malicious SWF files to vulnerable systems.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check libming repository for latest version or patch
Vendor Advisory: https://github.com/libming/libming/issues/330
Restart Required: Yes
Instructions:
1. Check libming repository for security patches. 2. Update to patched version. 3. Recompile applications using libming. 4. Restart affected services.
🔧 Temporary Workarounds
Input validation and filtering
allImplement strict validation of SWF files before processing with libming
Memory limits and monitoring
allSet memory limits on processes using libming and implement monitoring for abnormal memory consumption
🧯 If You Can't Patch
- Implement strict file upload controls and validation for SWF files
- Isolate libming processing to dedicated containers with resource limits and automatic restart policies
🔍 How to Verify
Check if Vulnerable:
Check libming version: ming-config --version or examine library files. Version 0.4.8 is vulnerable.Check Version:
ming-config --version 2>/dev/null || find /usr -name '*ming*' -type f | xargs strings 2>/dev/null | grep -i versionVerify Fix Applied:
Verify updated version number and test with known safe SWF files to ensure functionality.📡 Detection & Monitoring
Log Indicators:
- Process crashes with out-of-memory errors
- Abnormal termination of applications using libming
- High memory consumption spikes in monitoring
Network Indicators:
- Uploads of SWF files followed by service disruption
- Unusual patterns in file processing requests
SIEM Query:
process_name:"application_using_libming" AND (event_type:crash OR memory_usage:>threshold)