CVE-2021-2079
📋 TL;DR
This vulnerability in Oracle Configurator allows unauthenticated attackers to access sensitive data and modify information via HTTP requests. It affects Oracle Supply Chain Configurator versions 12.1 and 12.2, requiring user interaction for successful exploitation but potentially impacting other connected systems.
💻 Affected Systems
- Oracle Configurator
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of all Oracle Configurator accessible data including unauthorized viewing of critical information and modification/deletion of data, potentially affecting integrated supply chain systems.
Likely Case
Unauthorized access to sensitive configuration data and limited data manipulation within the Configurator component.
If Mitigated
Limited impact with proper network segmentation and user awareness training to prevent interaction with malicious requests.
🎯 Exploit Status
Easily exploitable per Oracle's assessment, requires user interaction but no authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apply Critical Patch Update for January 2021
Vendor Advisory: https://www.oracle.com/security-alerts/cpujan2021.html
Restart Required: Yes
Instructions:
1. Download Critical Patch Update from Oracle Support. 2. Apply patch to affected Oracle Configurator installations. 3. Restart affected services. 4. Test functionality.
🔧 Temporary Workarounds
Network Segmentation
linuxRestrict network access to Oracle Configurator UI Servlet to trusted sources only
iptables -A INPUT -p tcp --dport [PORT] -s [TRUSTED_IP] -j ACCEPT
iptables -A INPUT -p tcp --dport [PORT] -j DROP
Web Application Firewall
allImplement WAF rules to block suspicious HTTP requests to Configurator endpoints
🧯 If You Can't Patch
- Implement strict network access controls to limit exposure
- Monitor for suspicious HTTP requests to Configurator UI endpoints
🔍 How to Verify
Check if Vulnerable:
Check Oracle Configurator version against affected versions 12.1 or 12.2
Check Version:
Check Oracle Configurator version through application interface or configuration files
Verify Fix Applied:
Verify Critical Patch Update January 2021 is applied and version is updated
📡 Detection & Monitoring
Log Indicators:
- Unusual HTTP requests to Configurator UI Servlet endpoints
- Unauthorized access attempts from unexpected IP addresses
Network Indicators:
- HTTP traffic to Configurator ports from untrusted sources
- Suspicious request patterns to /ui/servlet/* endpoints
SIEM Query:
source="oracle_configurator" AND (http_method="POST" OR http_method="GET") AND uri="/ui/servlet/*" AND src_ip NOT IN [TRUSTED_NETWORKS]