CVE-2024-26331
📋 TL;DR
CVE-2024-26331 is an authentication bypass vulnerability in ReCrystallize Server 5.10.0.0 where attackers can modify cookie values to gain unauthorized access. This affects organizations using ReCrystallize Server for Crystal Reports without proper session binding. Attackers can impersonate legitimate users and access sensitive reporting data.
💻 Affected Systems
- ReCrystallize Server for Crystal Reports
⚠️ 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 system compromise allowing attackers to access all reports, modify configurations, exfiltrate sensitive business data, and potentially pivot to other systems.
Likely Case
Unauthorized access to business intelligence reports containing sensitive operational, financial, or customer data leading to data breach and compliance violations.
If Mitigated
Limited impact with proper network segmentation, strong authentication mechanisms, and monitoring detecting unusual access patterns.
🎯 Exploit Status
Attack requires only cookie manipulation which can be done with browser developer tools or simple scripts. No special tools or deep technical knowledge needed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor for latest version as specific patch version not specified in references
Vendor Advisory: https://www.recrystallize.com/merchant/ReCrystallize-Server-for-Crystal-Reports.htm
Restart Required: Yes
Instructions:
1. Contact ReCrystallize vendor for patched version. 2. Backup current configuration and data. 3. Install updated version following vendor instructions. 4. Restart ReCrystallize Server service. 5. Verify authentication mechanism works correctly.
🔧 Temporary Workarounds
Web Application Firewall (WAF) Rules
allImplement WAF rules to detect and block cookie manipulation attempts
WAF-specific configuration - consult your WAF documentation for cookie validation rules
Network Segmentation
allRestrict access to ReCrystallize Server to authorized users only
firewall rules to limit access to specific IP ranges or VLANs
🧯 If You Can't Patch
- Implement strong network segmentation to isolate ReCrystallize Server from untrusted networks
- Deploy additional authentication layer (reverse proxy with 2FA) in front of the application
🔍 How to Verify
Check if Vulnerable:
Check ReCrystallize Server version via web interface or configuration files. If version is 5.10.0.0, system is vulnerable.Check Version:
Check web interface or configuration files for version information. No single command available as this is a Windows application.Verify Fix Applied:
Test authentication by attempting to modify cookie values and verify access is denied. Check that session binding is properly implemented.📡 Detection & Monitoring
Log Indicators:
- Multiple failed authentication attempts followed by successful access
- Access from unusual IP addresses or user agents
- Cookie values that don't match expected patterns
Network Indicators:
- HTTP requests with manipulated cookie headers
- Unusual access patterns to reporting endpoints
SIEM Query:
source="recrystallize_logs" AND (event_type="auth_success" AND cookie_value NOT LIKE "%expected_pattern%") OR (event_type="auth_bypass_attempt")🔗 References
- https://sensepost.com/blog/2024/from-discovery-to-disclosure-recrystallize-server-vulnerabilities/
- https://www.recrystallize.com/merchant/ReCrystallize-Server-for-Crystal-Reports.htm
- https://sensepost.com/blog/2024/from-discovery-to-disclosure-recrystallize-server-vulnerabilities/
- https://www.recrystallize.com/merchant/ReCrystallize-Server-for-Crystal-Reports.htm
