CVE-2019-25326
📋 TL;DR
CVE-2019-25326 is a buffer overflow vulnerability in ipPulse 1.92 that allows local attackers to cause denial of service by crashing the application. Attackers can paste a 256-byte buffer of repeated 'A' characters into the Enter Key field to trigger the crash. This affects users running ipPulse 1.92 on their systems.
💻 Affected Systems
- ipPulse
📦 What is this software?
Ippulse by Nwpsw
⚠️ Risk & Real-World Impact
Worst Case
Complete application crash requiring restart, potentially disrupting network monitoring operations if ipPulse is used for critical infrastructure monitoring.
Likely Case
Application crash requiring manual restart, causing temporary loss of network monitoring capabilities until service is restored.
If Mitigated
Minimal impact if application is restarted quickly, though monitoring gaps may occur during downtime.
🎯 Exploit Status
Exploit requires local access to paste malicious content into the Enter Key field. Proof of concept code is publicly available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.93 or later
Vendor Advisory: https://www.netscantools.com/ippulseinfo.html
Restart Required: Yes
Instructions:
1. Download ipPulse version 1.93 or later from the official website. 2. Uninstall the current version. 3. Install the updated version. 4. Restart the application.
🔧 Temporary Workarounds
Restrict Local Access
allLimit physical and remote access to systems running ipPulse to trusted users only.
Application Monitoring
windowsMonitor ipPulse application health and restart automatically if crashes occur.
🧯 If You Can't Patch
- Implement strict access controls to prevent unauthorized local access to systems running ipPulse.
- Deploy additional monitoring solutions as backup to maintain visibility during potential ipPulse downtime.
🔍 How to Verify
Check if Vulnerable:
Check ipPulse version in Help > About menu. If version is 1.92, the system is vulnerable.Check Version:
Not applicable - check via application GUI Help > About menuVerify Fix Applied:
After updating, verify version shows 1.93 or later in Help > About menu.📡 Detection & Monitoring
Log Indicators:
- Application crash logs from ipPulse
- Windows Event Logs showing application termination
Network Indicators:
- Sudden cessation of network monitoring traffic from ipPulse system
SIEM Query:
EventID=1000 OR EventID=1001 AND SourceName='ipPulse'