CVE-2025-33003

7.8 HIGH

📋 TL;DR

This vulnerability in IBM InfoSphere Information Server allows non-root users within a container environment to escalate their privileges to root-level capabilities. It affects versions 11.7.0.0 through 11.7.1.6 running in containerized deployments. Attackers with initial access to a container could exploit this to gain full control within that container.

💻 Affected Systems

Products:
  • IBM InfoSphere Information Server
Versions: 11.7.0.0 through 11.7.1.6
Operating Systems: Linux (containerized deployments)
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects containerized deployments; traditional installations are not vulnerable. Requires attacker to have initial access to container as non-root user.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

An attacker gains full root privileges within the container, allowing complete compromise of the InfoSphere instance, data theft/modification, and potential lateral movement to other systems.

🟠

Likely Case

Malicious or compromised users escalate privileges to perform unauthorized actions, access sensitive data, or disrupt operations within the containerized environment.

🟢

If Mitigated

With proper container isolation and least privilege principles, impact is limited to the specific container without affecting the host system or other containers.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: HIGH

🎯 Exploit Status

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

Exploitation requires existing access to container as non-root user. No public exploit code available as of analysis.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 11.7.1.7 and later

Vendor Advisory: https://www.ibm.com/support/pages/node/7246684

Restart Required: Yes

Instructions:

1. Download IBM InfoSphere Information Server 11.7.1.7 or later from IBM Fix Central. 2. Apply the patch following IBM's installation instructions. 3. Restart all affected containers and services.

🔧 Temporary Workarounds

Container Privilege Reduction

linux

Run containers with minimal privileges by removing unnecessary capabilities

docker run --cap-drop=ALL --cap-add=NET_BIND_SERVICE [your_image]
kubectl apply securityContext with appropriate capabilities

User Namespace Isolation

linux

Enable user namespace remapping to prevent container users from mapping to host root

echo '{"userns-remap": "default"}' > /etc/docker/daemon.json
systemctl restart docker

🧯 If You Can't Patch

  • Implement strict access controls to prevent unauthorized users from accessing containers
  • Apply principle of least privilege by removing all unnecessary capabilities from container configurations

🔍 How to Verify

Check if Vulnerable:

Check InfoSphere version: Run 'versionInfo.sh' in InfoSphere installation directory and verify if version is between 11.7.0.0 and 11.7.1.6

Check Version:

./versionInfo.sh | grep 'Product Version'

Verify Fix Applied:

After patching, verify version is 11.7.1.7 or later using 'versionInfo.sh' command

📡 Detection & Monitoring

Log Indicators:

  • Unexpected privilege escalation events in container logs
  • Unusual root-level activities from non-root users in audit logs

Network Indicators:

  • Unusual outbound connections from containers following privilege escalation

SIEM Query:

source="container_logs" AND (event="setuid" OR event="capset" OR user="root") AND user_change="true"

🔗 References

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