CVE-2020-37065
📋 TL;DR
CVE-2020-37065 is a critical buffer overflow vulnerability in StreamRipper32 version 2.6 that allows attackers to execute arbitrary code by sending maliciously crafted SongPattern inputs exceeding 256 bytes. This affects all users running the vulnerable version of StreamRipper32, potentially leading to complete system compromise.
💻 Affected Systems
- StreamRipper32
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to full system compromise, data theft, and persistent backdoor installation.
Likely Case
Application crash and denial of service, with potential for limited code execution in constrained environments.
If Mitigated
Application crash without code execution if exploit fails or protections like DEP/ASLR are effective.
🎯 Exploit Status
Exploit code is publicly available on Exploit-DB, making attacks straightforward for attackers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: http://streamripper.sourceforge.net/
Restart Required: No
Instructions:
No official patch exists. Upgrade to a different version or discontinue use of StreamRipper32.
🔧 Temporary Workarounds
Input Validation Filter
allImplement input validation to reject SongPattern inputs exceeding 256 bytes.
Not applicable - requires code modification
Network Segmentation
allIsolate StreamRipper32 systems from untrusted networks.
firewall rules to restrict inbound connections
🧯 If You Can't Patch
- Discontinue use of StreamRipper32 version 2.6 entirely
- Implement strict network controls and monitor for exploitation attempts
🔍 How to Verify
Check if Vulnerable:
Check if StreamRipper32 version 2.6 is installed on the system.
Check Version:
On Windows: Check program properties or installation directory. On Linux: Check package manager or run 'streamripper --version' if available.
Verify Fix Applied:
Verify that StreamRipper32 version 2.6 has been removed or replaced.
📡 Detection & Monitoring
Log Indicators:
- Application crashes with memory access violations
- Unusual process creation from StreamRipper32
Network Indicators:
- Unusual network traffic to/from StreamRipper32 port
- Malformed stream data patterns
SIEM Query:
Process creation where parent process is StreamRipper32 AND command line contains unusual patterns