CVE-2024-21071

9.1 CRITICAL

📋 TL;DR

This vulnerability allows high-privileged attackers with network access via HTTP to compromise Oracle Workflow in Oracle E-Business Suite, potentially leading to complete system takeover. It affects Oracle E-Business Suite versions 12.2.3 through 12.2.13. The vulnerability has broad impact potential as successful attacks may affect additional products beyond Oracle Workflow.

💻 Affected Systems

Products:
  • Oracle E-Business Suite
Versions: 12.2.3 through 12.2.13
Operating Systems: Any OS running Oracle E-Business Suite
Default Config Vulnerable: ⚠️ Yes
Notes: Requires high privileged attacker with network access via HTTP. Component affected is Admin Screens and Grants UI within Oracle Workflow.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete compromise of Oracle Workflow leading to full system takeover, data exfiltration, integrity destruction, and service disruption across connected systems.

🟠

Likely Case

Privileged attacker gains control over Oracle Workflow functionality, potentially accessing sensitive business data and disrupting critical workflow processes.

🟢

If Mitigated

Limited impact due to network segmentation, strict access controls, and monitoring preventing successful exploitation.

🌐 Internet-Facing: HIGH
🏢 Internal Only: HIGH

🎯 Exploit Status

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

Oracle describes as 'easily exploitable' but requires high privileged access. No public exploit code known at this time.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Apply patches from Oracle Critical Patch Update April 2024

Vendor Advisory: https://www.oracle.com/security-alerts/cpuapr2024.html

Restart Required: Yes

Instructions:

1. Download appropriate patches from Oracle Support. 2. Apply patches following Oracle E-Business Suite patching procedures. 3. Restart affected services. 4. Verify patch application through version checks.

🔧 Temporary Workarounds

Network Segmentation

all

Restrict network access to Oracle E-Business Suite to only trusted sources

Implement firewall rules to limit HTTP access to Oracle EBS servers

Privilege Reduction

all

Review and reduce high-privilege accounts with HTTP access

Audit and remove unnecessary high-privilege accounts from Oracle Workflow

🧯 If You Can't Patch

  • Implement strict network access controls to limit HTTP access to Oracle E-Business Suite
  • Enhance monitoring and logging for suspicious activity on Oracle Workflow components

🔍 How to Verify

Check if Vulnerable:

Check Oracle E-Business Suite version against affected range 12.2.3-12.2.13

Check Version:

SELECT RELEASE_NAME FROM FND_PRODUCT_GROUPS;

Verify Fix Applied:

Verify patch application through Oracle patch management tools and version checks

📡 Detection & Monitoring

Log Indicators:

  • Unusual HTTP requests to Oracle Workflow Admin Screens
  • Multiple failed authentication attempts followed by successful high-privilege access
  • Unexpected configuration changes to workflow grants

Network Indicators:

  • Suspicious HTTP traffic patterns to Oracle EBS workflow endpoints
  • Unusual outbound data transfers following workflow access

SIEM Query:

source="oracle_ebs" AND (uri="/OA_HTML/*Workflow*" OR uri="/OA_HTML/*Admin*") AND status=200 AND user_role="HIGH_PRIVILEGE"

🔗 References

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