CVE-2024-21265
📋 TL;DR
This vulnerability in Oracle Site Hub allows authenticated attackers with low privileges to perform unauthorized data manipulation and access sensitive information via HTTP requests. It affects Oracle E-Business Suite versions 12.2.3 through 12.2.13. Attackers can create, delete, or modify critical data and access all Oracle Site Hub accessible data.
💻 Affected Systems
- Oracle E-Business Suite
- Oracle Site Hub
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of Oracle Site Hub data including unauthorized creation, modification, deletion of critical business data and full access to all sensitive information stored in the system.
Likely Case
Unauthorized data manipulation and access to sensitive business information by authenticated users with low privileges, potentially leading to data integrity issues and confidentiality breaches.
If Mitigated
Limited impact with proper network segmentation, strong authentication controls, and monitoring in place to detect suspicious activities.
🎯 Exploit Status
Requires authenticated access but only low privileges. The CVSS description indicates 'easily exploitable' suggesting straightforward exploitation once authenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Apply patches from Oracle Critical Patch Update October 2024
Vendor Advisory: https://www.oracle.com/security-alerts/cpuoct2024.html
Restart Required: Yes
Instructions:
1. Download the appropriate patch from My Oracle Support. 2. Apply the patch following Oracle's patching procedures for E-Business Suite. 3. Restart affected services. 4. Test functionality after patching.
🔧 Temporary Workarounds
Network Access Restriction
linuxRestrict network access to Oracle E-Business Suite to only trusted IP addresses and networks
Use firewall rules to limit access: iptables -A INPUT -p tcp --dport <ebs-port> -s <trusted-ip> -j ACCEPT
iptables -A INPUT -p tcp --dport <ebs-port> -j DROP
Privilege Minimization
allReview and minimize user privileges in Oracle Site Hub to reduce attack surface
Review user roles: SELECT * FROM FND_USER WHERE USER_NAME = '<username>'
Revoke unnecessary privileges: REVOKE <privilege> FROM <user>
🧯 If You Can't Patch
- Implement strict network segmentation and firewall rules to limit access to Oracle E-Business Suite
- Enhance monitoring and logging for suspicious activities in Oracle Site Hub component
🔍 How to Verify
Check if Vulnerable:
Check Oracle E-Business Suite version: SELECT RELEASE_NAME FROM FND_PRODUCT_GROUPSCheck Version:
SELECT RELEASE_NAME FROM FND_PRODUCT_GROUPSVerify Fix Applied:
Verify patch application: SELECT PATCH_NAME, APPLIED_DATE FROM AD_APPLIED_PATCHES WHERE PATCH_NAME LIKE '%CVE-2024-21265%'📡 Detection & Monitoring
Log Indicators:
- Unusual data modification activities in Site Hub logs
- Multiple failed authentication attempts followed by successful low-privilege access
- Unauthorized data access patterns in audit logs
Network Indicators:
- Unusual HTTP requests to Site Hub endpoints from low-privilege accounts
- Burst of data manipulation requests
SIEM Query:
source="oracle-ebs" AND (event_type="data_modification" OR event_type="unauthorized_access") AND component="Site Hub"