CVE-2021-2292
📋 TL;DR
This vulnerability in Oracle Document Management and Collaboration allows authenticated attackers with low privileges to perform unauthorized data manipulation and access critical information via HTTP. It affects Oracle E-Business Suite versions 12.1.1-12.1.3 and 12.2.3-12.2.10. Attackers can create, delete, or modify critical data and gain unauthorized access to sensitive information.
💻 Affected Systems
- Oracle E-Business Suite - Document Management and Collaboration
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of all Oracle Document Management and Collaboration data including unauthorized access to critical business information, data destruction, and potential business disruption.
Likely Case
Unauthorized access to sensitive documents and data manipulation by authenticated users with malicious intent, leading to data integrity and confidentiality breaches.
If Mitigated
Limited impact with proper network segmentation, strong authentication controls, and monitoring in place, though vulnerability remains exploitable by authorized users.
🎯 Exploit Status
Requires authenticated access but with low privileges. CVSS indicates easily exploitable with network access via HTTP.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apply Oracle Critical Patch Update for April 2021 or later
Vendor Advisory: https://www.oracle.com/security-alerts/cpuapr2021.html
Restart Required: Yes
Instructions:
1. Download the appropriate Critical Patch Update from Oracle Support. 2. Apply the patch following Oracle's patching procedures. 3. Restart affected Oracle E-Business Suite services. 4. Verify patch application through version checks.
🔧 Temporary Workarounds
Network Access Restriction
allRestrict network access to Oracle Document Management and Collaboration to only trusted IP addresses and networks
# Configure firewall rules to restrict access
# Example: iptables -A INPUT -p tcp --dport <port> -s <trusted_ip> -j ACCEPT
# iptables -A INPUT -p tcp --dport <port> -j DROP
Privilege Reduction
allReview and minimize user privileges, especially for low privileged accounts that have access to Document Management and Collaboration
# Review Oracle user privileges
SELECT * FROM DBA_ROLE_PRIVS WHERE GRANTEE IN (SELECT USERNAME FROM DBA_USERS);
# Remove unnecessary privileges
🧯 If You Can't Patch
- Implement strict network segmentation and firewall rules to limit access to Oracle Document Management and Collaboration
- Enhance monitoring and logging of Document Management and Collaboration activities, particularly data modification operations
🔍 How to Verify
Check if Vulnerable:
Check Oracle E-Business Suite version and patch level. Vulnerable if running versions 12.1.1-12.1.3 or 12.2.3-12.2.10 without April 2021 CPU applied.Check Version:
SELECT RELEASE_NAME, PATCH_LEVEL FROM AD_RELEASES; or check Oracle Application Manager for version informationVerify Fix Applied:
Verify patch application by checking patch level and confirming version is no longer in vulnerable range. Review Oracle patch application logs.📡 Detection & Monitoring
Log Indicators:
- Unusual document creation/deletion patterns
- Unauthorized access attempts to Document Management components
- Multiple failed authentication attempts followed by successful access
Network Indicators:
- HTTP requests to Document Management endpoints from unusual sources
- Unusual data transfer volumes from Document Management servers
SIEM Query:
source="oracle_ebs_logs" AND (event_type="document_creation" OR event_type="document_deletion" OR event_type="document_modification") AND user_privilege="LOW" AND result="SUCCESS" | stats count by user, source_ip