CVE-2023-38017

5.3 MEDIUM

📋 TL;DR

IBM Cloud Pak System contains a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious JavaScript into the web interface. This could enable session hijacking or credential theft for authenticated users. Organizations running vulnerable versions of IBM Cloud Pak System are affected.

💻 Affected Systems

Products:
  • IBM Cloud Pak System
Versions: Specific versions not detailed in advisory; check IBM advisory for exact affected versions
Operating Systems: Not OS-specific; affects the IBM Cloud Pak System web application
Default Config Vulnerable: ⚠️ Yes
Notes: Vulnerability exists in the web user interface component; requires user interaction with malicious content

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers steal administrator credentials, gain full control of the Cloud Pak System, and compromise all managed resources and data.

🟠

Likely Case

Attackers steal session cookies or user credentials, leading to unauthorized access to the management interface and potential lateral movement.

🟢

If Mitigated

With proper input validation and output encoding, malicious scripts are neutralized before execution, preventing exploitation.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires the attacker to trick an authenticated user into interacting with malicious content; typical XSS exploitation techniques apply

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check IBM advisory for specific fixed versions

Vendor Advisory: https://www.ibm.com/support/pages/node/7254419

Restart Required: Yes

Instructions:

1. Review IBM advisory for affected versions. 2. Apply the recommended fix or upgrade to a patched version. 3. Restart affected services as required by IBM documentation.

🔧 Temporary Workarounds

Input Validation and Output Encoding

all

Implement server-side validation and proper output encoding for all user inputs in the web interface

Content Security Policy (CSP)

all

Deploy a strict Content Security Policy to restrict script execution sources

🧯 If You Can't Patch

  • Implement web application firewall (WAF) rules to block XSS payloads
  • Restrict access to the management interface to trusted networks only

🔍 How to Verify

Check if Vulnerable:

Check your IBM Cloud Pak System version against the affected versions listed in the IBM advisory

Check Version:

Check IBM Cloud Pak System documentation for version checking commands specific to your deployment

Verify Fix Applied:

Verify the system has been updated to a version not listed as vulnerable in the IBM advisory

📡 Detection & Monitoring

Log Indicators:

  • Unusual JavaScript payloads in web request logs
  • Multiple failed attempts to inject script tags

Network Indicators:

  • HTTP requests containing suspicious script tags or JavaScript code in parameters

SIEM Query:

web.url:* AND (web.query:*<script* OR web.query:*javascript:* OR web.query:*onerror=*)

🔗 References

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