CVE-2025-69621
📋 TL;DR
An arbitrary file overwrite vulnerability in Comic Book Reader v1.0.95 allows attackers to overwrite critical internal files during file import. This could lead to arbitrary code execution or exposure of sensitive information. Users of Comic Book Reader v1.0.95 are affected.
💻 Affected Systems
- Comic Book Reader
⚠️ 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.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise via arbitrary code execution with the privileges of the Comic Book Reader process, potentially leading to complete data exposure or system takeover.
Likely Case
Local privilege escalation, data corruption, or sensitive information disclosure by overwriting configuration or credential files.
If Mitigated
Limited impact if application runs with minimal privileges and file system permissions restrict write access to critical directories.
🎯 Exploit Status
Exploitation requires user to import a malicious file. No public exploit code found in provided references.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: http://comic.com
Restart Required: No
Instructions:
1. Check vendor website http://comic.com for security updates. 2. If patch available, download and install. 3. Verify version is updated from v1.0.95.
🔧 Temporary Workarounds
Disable file import functionality
allPrevent file imports by restricting application permissions or disabling import features
Run with restricted privileges
windowsRun Comic Book Reader with limited user account privileges to reduce impact
🧯 If You Can't Patch
- Uninstall Comic Book Reader v1.0.95 and use alternative software
- Restrict application to isolated environment or virtual machine
🔍 How to Verify
Check if Vulnerable:
Check if Comic Book Reader version is 1.0.95 via Help > About or program properties
Check Version:
Check application properties or Help > About menu
Verify Fix Applied:
Verify version is no longer 1.0.95 after applying any available updates
📡 Detection & Monitoring
Log Indicators:
- Unusual file write operations by Comic Book Reader process
- Multiple failed import attempts
- File permission changes in application directories
Network Indicators:
- Not applicable - local file operation vulnerability
SIEM Query:
Process: 'Comic Book Reader' AND (FileOperation: Write OR FileOperation: Overwrite) AND TargetPath: (contains 'system' OR contains 'config' OR contains 'sensitive')