CVE-2018-1000554
📋 TL;DR
Trovebox versions up to 4.0.0-rc6 have an insecure password reset token generation vulnerability that allows attackers to reset user passwords without authorization. This affects all Trovebox instances running vulnerable versions. Attackers can exploit this via HTTP requests to gain unauthorized access.
💻 Affected Systems
- Trovebox
📦 What is this software?
Trovebox by Trovebox
Trovebox by Trovebox
Trovebox by Trovebox
Trovebox by Trovebox
⚠️ Risk & Real-World Impact
Worst Case
Complete account takeover of any user, including administrators, leading to data theft, system compromise, and potential lateral movement.
Likely Case
Unauthorized password reset for standard users, resulting in account compromise and potential data exposure.
If Mitigated
Limited impact if strong authentication controls, monitoring, and network segmentation are in place.
🎯 Exploit Status
Exploitation requires HTTP access to the vulnerable endpoint; detailed technical analysis is publicly available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: After commit 742b8ed
Vendor Advisory: https://telekomsecurity.github.io/2018/04/trovebox-vulnerabilities.html
Restart Required: Yes
Instructions:
1. Update Trovebox to a version after commit 742b8ed. 2. Restart the Trovebox service. 3. Verify the fix by testing password reset functionality.
🔧 Temporary Workarounds
Disable Password Reset
allTemporarily disable the password reset functionality if patching is not immediately possible.
Modify Trovebox configuration to disable user password reset endpoints.
Network Access Control
linuxRestrict access to Trovebox password reset endpoints using firewall rules.
iptables -A INPUT -p tcp --dport [TROVEBOX_PORT] -m string --string "user/reset" --algo bm -j DROP
🧯 If You Can't Patch
- Implement strong network segmentation to isolate Trovebox from untrusted networks.
- Enable detailed logging and monitoring for password reset attempts and review regularly.
🔍 How to Verify
Check if Vulnerable:
Check Trovebox version; if <= 4.0.0-rc6, it is vulnerable. Test password reset token generation for predictability.
Check Version:
Check Trovebox admin panel or configuration files for version information.
Verify Fix Applied:
Verify Trovebox version is after commit 742b8ed and test that password reset tokens are securely generated.
📡 Detection & Monitoring
Log Indicators:
- Unusual frequency of password reset requests
- Password reset attempts from unexpected IP addresses
Network Indicators:
- HTTP requests to /user/reset endpoints with suspicious patterns
SIEM Query:
source="trovebox" AND (url="/user/reset" OR action="password_reset") | stats count by src_ip