CVE-2025-61043

9.1 CRITICAL

📋 TL;DR

An out-of-bounds read vulnerability in Monkey's Audio 11.31 allows attackers to read beyond allocated memory boundaries when processing UTF-8 strings. This can cause application crashes or potentially leak sensitive information from memory. Users of Monkey's Audio 11.31 who process untrusted audio files are affected.

💻 Affected Systems

Products:
  • Monkey's Audio
Versions: 11.31
Operating Systems: Windows, Linux, macOS
Default Config Vulnerable: ⚠️ Yes
Notes: Vulnerability triggers when processing specially crafted APE audio files

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Information disclosure of sensitive memory contents leading to credential theft or system compromise

🟠

Likely Case

Application crash (denial of service) when processing malicious audio files

🟢

If Mitigated

Limited impact with proper input validation and memory protections

🌐 Internet-Facing: MEDIUM - Exploitable if processing user-uploaded audio files
🏢 Internal Only: LOW - Requires local file processing or internal user interaction

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: MEDIUM

Requires crafting malicious APE files; no public exploit code available yet

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Not available

Vendor Advisory: Not available

Restart Required: No

Instructions:

1. Monitor Monkey's Audio website for updates
2. Apply patch when available
3. Test in non-production environment first

🔧 Temporary Workarounds

Disable APE file processing

all

Prevent processing of APE audio files to avoid triggering the vulnerability

Use file type restrictions

all

Implement file upload restrictions to block APE files

🧯 If You Can't Patch

  • Isolate systems using Monkey's Audio from untrusted networks
  • Implement strict file upload validation and scanning for APE files

🔍 How to Verify

Check if Vulnerable:

Check Monkey's Audio version; if version is 11.31, system is vulnerable

Check Version:

monkeysaudio --version or check application properties

Verify Fix Applied:

Verify Monkey's Audio version is updated beyond 11.31

📡 Detection & Monitoring

Log Indicators:

  • Application crashes when processing audio files
  • Memory access violation errors

Network Indicators:

  • Unusual APE file uploads to web applications

SIEM Query:

EventID:1000 OR 'Access Violation' AND 'monkeysaudio' OR 'APE'

🔗 References

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