CVE-2022-39216
📋 TL;DR
CVE-2022-39216 is a vulnerability in Combodo iTop where password reset tokens are generated without sufficient randomness, allowing attackers to predict or brute-force tokens. This enables account takeover of any user in vulnerable iTop installations. All iTop instances prior to versions 2.7.8 and 3.0.2-1 are affected.
💻 Affected Systems
- Combodo iTop
📦 What is this software?
Itop by Combodo
Itop by Combodo
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of all user accounts, including administrative accounts, leading to full system control, data theft, and potential lateral movement to connected systems.
Likely Case
Targeted account takeover of specific users, potentially leading to privilege escalation, data exfiltration, or unauthorized access to sensitive IT service management data.
If Mitigated
Limited impact with proper network segmentation, strong authentication controls, and monitoring that detects unusual password reset activity.
🎯 Exploit Status
The vulnerability requires no authentication and involves predictable token generation. While no public PoC exists, the advisory provides enough technical detail for exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.7.8 or 3.0.2-1
Vendor Advisory: https://github.com/Combodo/iTop/security/advisories/GHSA-hggq-48p2-cmhm
Restart Required: Yes
Instructions:
1. Backup your iTop installation and database. 2. Download iTop version 2.7.8 or 3.0.2-1 from the official repository. 3. Follow the iTop upgrade documentation for your version. 4. Restart the web server service. 5. Verify the fix by checking the version.
🔧 Temporary Workarounds
Disable Password Reset
allTemporarily disable the password reset functionality to prevent exploitation while planning an upgrade.
Modify iTop configuration to disable password reset feature (specific configuration depends on iTop version)
🧯 If You Can't Patch
- Implement network-level controls to restrict access to the password reset endpoint to trusted IP addresses only.
- Enable detailed logging for all password reset attempts and monitor for suspicious patterns or brute-force attempts.
🔍 How to Verify
Check if Vulnerable:
Check your iTop version. If it's below 2.7.8 (for 2.x branch) or below 3.0.2-1 (for 3.x branch), you are vulnerable.Check Version:
Check the iTop web interface admin panel or examine the configuration file for version information.Verify Fix Applied:
After upgrading, verify the version is 2.7.8 or higher (2.x) or 3.0.2-1 or higher (3.x). Test password reset functionality to ensure it works with proper randomness.📡 Detection & Monitoring
Log Indicators:
- Unusual volume of password reset requests
- Password reset attempts from unexpected IP addresses
- Multiple failed password reset attempts for the same user
Network Indicators:
- Unusual traffic patterns to password reset endpoints
- Brute-force patterns against /pages/UI.php?operation=password_reset
SIEM Query:
source="iTop_logs" AND (event="password_reset" AND count > threshold) OR (event="password_reset" AND src_ip NOT IN trusted_ips)🔗 References
- https://github.com/Combodo/iTop/commit/35a8b501c9e4e767ec4b36c2586f34d4ab66d229
- https://github.com/Combodo/iTop/commit/f10e9c2d64d0304777660a4f70f1e80850ea864b
- https://github.com/Combodo/iTop/security/advisories/GHSA-hggq-48p2-cmhm
- https://github.com/Combodo/iTop/commit/35a8b501c9e4e767ec4b36c2586f34d4ab66d229
- https://github.com/Combodo/iTop/commit/f10e9c2d64d0304777660a4f70f1e80850ea864b
- https://github.com/Combodo/iTop/security/advisories/GHSA-hggq-48p2-cmhm
