CVE-2020-4902
📋 TL;DR
This SQL injection vulnerability in IBM Datacap Taskmaster Capture allows remote attackers to execute arbitrary SQL commands against the back-end database. Attackers could potentially view, modify, or delete sensitive data stored in the database. Organizations running IBM Datacap Navigator 9.1.7 are affected.
💻 Affected Systems
- IBM Datacap Taskmaster Capture
- IBM Datacap Navigator
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of the database including data exfiltration, data destruction, privilege escalation, and potential lateral movement to connected systems.
Likely Case
Data theft or manipulation of business-critical information stored in the database, potentially leading to data integrity issues or compliance violations.
If Mitigated
Limited impact with proper input validation, parameterized queries, and database permissions restricting the application account.
🎯 Exploit Status
SQL injection vulnerabilities typically have low exploitation complexity, especially when unauthenticated access is possible.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apply fix from IBM Security Bulletin
Vendor Advisory: https://www.ibm.com/support/pages/node/6468405
Restart Required: Yes
Instructions:
1. Download the fix from IBM Fix Central. 2. Apply the fix according to IBM documentation. 3. Restart the Datacap services. 4. Verify the fix is applied.
🔧 Temporary Workarounds
Input Validation Filter
allImplement web application firewall rules or input validation to block SQL injection patterns
Network Segmentation
allRestrict network access to the Datacap web interface to trusted IP addresses only
🧯 If You Can't Patch
- Implement a web application firewall (WAF) with SQL injection rules
- Restrict database permissions for the application account to minimum required privileges
🔍 How to Verify
Check if Vulnerable:
Check if running IBM Datacap Navigator version 9.1.7 without the security fix appliedCheck Version:
Check the Datacap administration console or installation directory for version informationVerify Fix Applied:
Verify the fix is applied by checking the version and consulting IBM's fix verification documentation📡 Detection & Monitoring
Log Indicators:
- Unusual SQL query patterns in application logs
- Multiple failed login attempts with SQL-like syntax
- Database error messages containing SQL syntax
Network Indicators:
- HTTP requests containing SQL keywords (SELECT, UNION, INSERT, etc.)
- Unusual database connection patterns from the application server
SIEM Query:
source="datacap_logs" AND ("sql" OR "union" OR "select" OR "insert" OR "delete")