CVE-2023-3261
📋 TL;DR
A buffer overflow vulnerability in Dataprobe iBoot PDU firmware allows attackers to cause denial of service or disrupt login functionality via the web server. This affects organizations using Dataprobe iBoot PDU devices with firmware version 1.43.03312023 or earlier.
💻 Affected Systems
- Dataprobe iBoot PDU
📦 What is this software?
Powerpanel Server by Cyberpower
⚠️ Risk & Real-World Impact
Worst Case
Complete device unavailability preventing power management of connected equipment, potentially causing cascading failures in data center operations.
Likely Case
Temporary denial of service affecting web interface login and device management capabilities.
If Mitigated
Limited impact with proper network segmentation and access controls preventing exploitation attempts.
🎯 Exploit Status
Buffer overflow in librta.so.0.0.0 library affects web server functionality. No authentication required for exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Firmware version newer than 1.43.03312023
Vendor Advisory: https://www.dataprobe.com/support/iboot-pdu/
Restart Required: Yes
Instructions:
1. Download latest firmware from Dataprobe support portal. 2. Backup current configuration. 3. Upload firmware via web interface. 4. Apply update and restart device. 5. Verify firmware version after reboot.
🔧 Temporary Workarounds
Network Segmentation
allRestrict access to iBoot PDU web interface using firewall rules
Access Control
allImplement strict IP whitelisting for management interface access
🧯 If You Can't Patch
- Isolate iBoot PDU devices on separate VLAN with strict access controls
- Disable web interface if not required and use alternative management methods
🔍 How to Verify
Check if Vulnerable:
Check firmware version via web interface: System > About. If version is 1.43.03312023 or earlier, device is vulnerable.Check Version:
No CLI command - check via web interface at System > About pageVerify Fix Applied:
Verify firmware version is newer than 1.43.03312023 and test web interface functionality.📡 Detection & Monitoring
Log Indicators:
- Multiple failed login attempts
- Web server crash logs
- Unusual traffic patterns to /login or web interface
Network Indicators:
- Unusual HTTP requests to iBoot PDU web interface
- Traffic spikes to port 80/443 on PDU devices
SIEM Query:
source="iboot-pdu" AND (event="crash" OR event="buffer_overflow" OR status=500)