CVE-2025-53814

7.8 HIGH

📋 TL;DR

A use-after-free vulnerability in GCC Productions Inc. Fade In 4.2.0's XML parser allows heap-based memory corruption when processing malicious .xml files. This could enable remote code execution or application crashes. Users of Fade In 4.2.0 who process untrusted XML files are affected.

💻 Affected Systems

Products:
  • GCC Productions Inc. Fade In
Versions: 4.2.0
Operating Systems: Windows, macOS, Linux
Default Config Vulnerable: ⚠️ Yes
Notes: All installations of Fade In 4.2.0 are vulnerable when processing XML files through the application's parser.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Remote code execution with the privileges of the Fade In application user, potentially leading to full system compromise.

🟠

Likely Case

Application crash (denial of service) when processing malicious XML files, with potential for limited code execution.

🟢

If Mitigated

Controlled application termination without code execution if memory protections are enabled.

🌐 Internet-Facing: MEDIUM - Requires user to download and open malicious XML file, but could be delivered via email or web.
🏢 Internal Only: LOW - Requires user interaction with malicious files, typically not automated.

🎯 Exploit Status

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

Exploitation requires user to open a malicious XML file. No authentication needed beyond file access.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Not available

Vendor Advisory: Not available

Restart Required: No

Instructions:

1. Monitor GCC Productions Inc. for security updates. 2. Check for updated version of Fade In. 3. Apply patch when available.

🔧 Temporary Workarounds

Restrict XML file processing

all

Prevent Fade In from processing untrusted XML files

Application sandboxing

all

Run Fade In in restricted environment to limit exploit impact

🧯 If You Can't Patch

  • Discontinue use of Fade In 4.2.0 for processing XML files from untrusted sources
  • Implement application whitelisting to prevent execution of unauthorized code

🔍 How to Verify

Check if Vulnerable:

Check Fade In version in Help > About menu. If version is 4.2.0, system is vulnerable.

Check Version:

Not applicable - check via application GUI

Verify Fix Applied:

Update to patched version when available and verify version number.

📡 Detection & Monitoring

Log Indicators:

  • Application crash logs from Fade In
  • Unexpected memory access errors in system logs

Network Indicators:

  • Downloads of XML files followed by application crashes

SIEM Query:

source="fade_in.log" AND (event="crash" OR event="memory_error")

🔗 References

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