CVE-2024-52949

7.5 HIGH

📋 TL;DR

CVE-2024-52949 is a stack-based buffer overflow vulnerability in iptraf-ng 1.2.1 that allows attackers to execute arbitrary code or cause denial of service. The vulnerability exists in the strcpy function in src/ifaces.c which fails to properly validate input size. Systems running iptraf-ng 1.2.1 for network monitoring are affected.

💻 Affected Systems

Products:
  • iptraf-ng
Versions: 1.2.1
Operating Systems: Linux
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects systems where iptraf-ng is installed and running

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Remote code execution with root privileges leading to complete system compromise

🟠

Likely Case

Denial of service causing iptraf-ng to crash, potentially disrupting network monitoring

🟢

If Mitigated

Limited impact if proper input validation and memory protections are in place

🌐 Internet-Facing: LOW - iptraf-ng is typically not exposed to the internet
🏢 Internal Only: MEDIUM - Requires local access or network access to the monitoring interface

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Requires local access or ability to interact with iptraf-ng's interface

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: v1.2.2 or later

Vendor Advisory: https://github.com/iptraf-ng/iptraf-ng/releases/tag/v1.2.1

Restart Required: Yes

Instructions:

1. Stop iptraf-ng if running
2. Update package: apt-get update && apt-get install iptraf-ng
3. Verify version: iptraf-ng --version
4. Restart iptraf-ng if needed

🔧 Temporary Workarounds

Disable iptraf-ng service

linux

Stop and disable the iptraf-ng service to prevent exploitation

systemctl stop iptraf-ng
systemctl disable iptraf-ng

Remove iptraf-ng package

linux

Uninstall the vulnerable version completely

apt-get remove iptraf-ng

🧯 If You Can't Patch

  • Restrict access to iptraf-ng to trusted users only
  • Implement strict network segmentation to limit exposure

🔍 How to Verify

Check if Vulnerable:

Check iptraf-ng version: iptraf-ng --version | grep 1.2.1

Check Version:

iptraf-ng --version

Verify Fix Applied:

Verify version is 1.2.2 or later: iptraf-ng --version

📡 Detection & Monitoring

Log Indicators:

  • Segmentation fault errors in system logs
  • Unexpected iptraf-ng process crashes

Network Indicators:

  • Unusual network traffic to/from iptraf-ng monitoring ports

SIEM Query:

process_name='iptraf-ng' AND (event_type='crash' OR exit_code=139)

🔗 References

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