CVE-2023-26217

8.8 HIGH

📋 TL;DR

This SQL injection vulnerability in TIBCO EBX Add-ons allows authenticated users with import permissions to execute arbitrary SQL commands on the database. Attackers could read, modify, or delete sensitive data, potentially gaining full control of the affected system. Organizations using TIBCO EBX Add-ons versions 4.5.17 and below, 5.6.2 and below, or version 6.1.0 are affected.

💻 Affected Systems

Products:
  • TIBCO EBX Add-ons Data Exchange Add-on component
Versions: Versions 4.5.17 and below, versions 5.6.2 and below, version 6.1.0
Operating Systems: All supported operating systems for TIBCO EBX
Default Config Vulnerable: ⚠️ Yes
Notes: Requires user with import permissions; network access to EBX server is needed for exploitation.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete database compromise leading to data theft, data destruction, privilege escalation to system administrator, and potential lateral movement to other systems.

🟠

Likely Case

Unauthorized data access and modification, extraction of sensitive business information, and potential credential theft from database tables.

🟢

If Mitigated

Limited impact if proper network segmentation, least privilege access, and input validation are implemented, though SQL injection risk remains.

🌐 Internet-Facing: HIGH
🏢 Internal Only: HIGH

🎯 Exploit Status

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

Exploitation requires authenticated access with import permissions; described as 'easily exploitable' in advisory.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Versions above 4.5.17, above 5.6.2, and above 6.1.0

Vendor Advisory: https://www.tibco.com/services/support/advisories

Restart Required: Yes

Instructions:

1. Download updated versions from TIBCO support portal. 2. Apply patches according to TIBCO documentation. 3. Restart EBX services. 4. Verify successful update.

🔧 Temporary Workarounds

Restrict Import Permissions

all

Temporarily remove import permissions from non-essential users to limit attack surface.

Network Segmentation

all

Isolate EBX servers from untrusted networks and implement strict firewall rules.

🧯 If You Can't Patch

  • Implement strict input validation and parameterized queries at application layer
  • Deploy web application firewall (WAF) with SQL injection protection rules

🔍 How to Verify

Check if Vulnerable:

Check EBX Add-ons version via TIBCO administration console or version files in installation directory.

Check Version:

Check TIBCO documentation for specific version check commands for your installation.

Verify Fix Applied:

Confirm version is above affected ranges: >4.5.17, >5.6.2, or >6.1.0 depending on your major version.

📡 Detection & Monitoring

Log Indicators:

  • Unusual SQL query patterns in database logs
  • Multiple failed import attempts
  • Unexpected data import activities

Network Indicators:

  • Unusual database connection patterns from EBX servers
  • SQL error messages in network traffic

SIEM Query:

source="ebx_logs" AND (event="import" OR event="sql_execution") AND status="error"

🔗 References

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