CVE-2024-28760

4.3 MEDIUM

📋 TL;DR

This vulnerability in IBM App Connect Enterprise allows attackers to cause a denial of service by exploiting improper resource allocation restrictions in the dashboard component. It affects organizations running vulnerable versions of IBM App Connect Enterprise 11.0.0.1 through 11.0.0.25 and 12.0.1.0 through 12.0.12.0. The attack can render the dashboard unavailable, disrupting monitoring and management capabilities.

💻 Affected Systems

Products:
  • IBM App Connect Enterprise
Versions: 11.0.0.1 through 11.0.0.25 and 12.0.1.0 through 12.0.12.0
Operating Systems: All supported platforms
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects the dashboard component, not the runtime integration engine. Requires network access to dashboard port (typically 4414).

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete unavailability of the App Connect Enterprise dashboard, preventing administrators from monitoring or managing integration flows, potentially disrupting business operations that rely on dashboard visibility.

🟠

Likely Case

Temporary dashboard service disruption requiring restart of dashboard components, causing monitoring gaps and administrative inconvenience.

🟢

If Mitigated

Minimal impact with proper network segmentation and access controls limiting dashboard exposure to trusted users only.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: LOW

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Based on CWE-770 description, likely involves sending crafted requests to exhaust dashboard resources. No public exploit code identified.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Apply IBM App Connect Enterprise 11.0.0.26 or later, or 12.0.13.0 or later

Vendor Advisory: https://www.ibm.com/support/pages/node/7150845

Restart Required: Yes

Instructions:

1. Download latest fix pack from IBM Fix Central. 2. Backup current installation. 3. Apply fix pack following IBM installation guide. 4. Restart App Connect Enterprise services.

🔧 Temporary Workarounds

Restrict Dashboard Network Access

linux

Limit access to dashboard port (default 4414) to trusted administrative networks only using firewall rules.

iptables -A INPUT -p tcp --dport 4414 -s TRUSTED_NETWORK -j ACCEPT
iptables -A INPUT -p tcp --dport 4414 -j DROP

Disable Dashboard if Not Required

linux

Stop dashboard service if monitoring through dashboard is not essential for operations.

systemctl stop ibm-ace-dashboard

🧯 If You Can't Patch

  • Implement strict network access controls to limit dashboard access to trusted administrative IPs only.
  • Monitor dashboard service health and implement automated restart procedures if service becomes unresponsive.

🔍 How to Verify

Check if Vulnerable:

Check App Connect Enterprise version: ace version command or examine installation directory version files.

Check Version:

ace version

Verify Fix Applied:

Verify version is 11.0.0.26+ or 12.0.13.0+ and dashboard remains responsive under normal load.

📡 Detection & Monitoring

Log Indicators:

  • Dashboard service crash logs
  • High memory/CPU usage alerts from dashboard process
  • Repeated failed connection attempts to dashboard port

Network Indicators:

  • Unusual traffic patterns to dashboard port 4414
  • Multiple rapid connections from single source

SIEM Query:

source="ace-dashboard.log" AND ("crash" OR "out of memory" OR "resource exhaustion")

🔗 References

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