CVE-2024-28627
📋 TL;DR
This vulnerability in Flipsnack allows a local attacker to access sensitive information through the reader.gz.js file. It affects Flipsnack users running the vulnerable version, potentially exposing confidential data to unauthorized local users.
💻 Affected Systems
- Flipsnack
⚠️ 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
Complete exposure of sensitive application data, configuration files, or user information to local attackers, potentially leading to further system compromise.
Likely Case
Local information disclosure of application-specific sensitive data that could be used for reconnaissance or privilege escalation.
If Mitigated
Limited impact with proper access controls and file permissions restricting local user access to sensitive files.
🎯 Exploit Status
Requires local access to the system. Exploitation involves accessing the vulnerable reader.gz.js file to extract sensitive information.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after v.18/03/2024
Vendor Advisory: https://www.flipsnack.com/
Restart Required: Yes
Instructions:
1. Check current Flipsnack version
2. Update to latest version from official Flipsnack sources
3. Restart Flipsnack services
4. Verify the reader.gz.js file no longer contains sensitive information
🔧 Temporary Workarounds
Restrict file permissions
linuxSet strict file permissions on reader.gz.js to prevent unauthorized local access
chmod 600 reader.gz.js
chown root:root reader.gz.js
Remove sensitive data from file
allSanitize the reader.gz.js file to remove any sensitive information
Review and clean sensitive data from reader.gz.js
🧯 If You Can't Patch
- Implement strict access controls to limit local user access to Flipsnack directories
- Monitor access to reader.gz.js file and alert on unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check if Flipsnack version is v.18/03/2024 and examine reader.gz.js file for sensitive information exposureCheck Version:
Check Flipsnack application version in admin interface or configuration filesVerify Fix Applied:
Verify Flipsnack version is updated beyond v.18/03/2024 and reader.gz.js no longer contains sensitive data📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to reader.gz.js file
- File read operations on sensitive Flipsnack files
Network Indicators:
- Local file access patterns to Flipsnack directories
SIEM Query:
source="*flipsnack*" AND (file="*reader.gz.js*" OR action="read")