CVE-2024-21132

5.4 MEDIUM

📋 TL;DR

This vulnerability in Oracle Purchasing allows authenticated attackers with low privileges to perform unauthorized data manipulation and read access via HTTP. It affects Oracle E-Business Suite versions 12.2.3 through 12.2.13 and requires human interaction from another user to be exploited successfully.

💻 Affected Systems

Products:
  • Oracle E-Business Suite - Purchasing
Versions: 12.2.3 through 12.2.13
Operating Systems: All platforms running Oracle E-Business Suite
Default Config Vulnerable: ⚠️ Yes
Notes: Requires Oracle Purchasing component with Approvals functionality enabled. Human interaction from another user is required for exploitation.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could modify purchasing data, insert fraudulent transactions, delete legitimate records, and access sensitive purchasing information, potentially leading to financial fraud or supply chain disruption.

🟠

Likely Case

Privileged users could abuse their access to manipulate purchasing approvals or view restricted purchasing data they shouldn't have access to.

🟢

If Mitigated

With proper access controls and monitoring, impact would be limited to minor data integrity issues that could be detected and corrected.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: HIGH

🎯 Exploit Status

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

Exploitation requires authenticated access (low privilege) and social engineering to get another user to interact with malicious content.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Apply Oracle Critical Patch Update July 2024

Vendor Advisory: https://www.oracle.com/security-alerts/cpujul2024.html

Restart Required: Yes

Instructions:

1. Download the appropriate patch from Oracle Support. 2. Apply the patch following Oracle's patching procedures. 3. Restart affected services. 4. Test functionality before deploying to production.

🔧 Temporary Workarounds

Restrict network access

all

Limit HTTP access to Oracle E-Business Suite to trusted networks only

Implement additional approval controls

all

Add secondary approval requirements for sensitive purchasing transactions

🧯 If You Can't Patch

  • Implement strict least-privilege access controls for Oracle Purchasing users
  • Enable detailed auditing and monitoring of all purchasing approval activities

🔍 How to Verify

Check if Vulnerable:

Check Oracle E-Business Suite version and verify if Purchasing component with Approvals is installed and active.

Check Version:

SELECT RELEASE_NAME FROM FND_PRODUCT_GROUPS;

Verify Fix Applied:

Verify patch application through Oracle's patch verification tools and confirm version is updated beyond affected range.

📡 Detection & Monitoring

Log Indicators:

  • Unusual approval patterns
  • Multiple failed approval attempts
  • Approvals from unexpected users or locations

Network Indicators:

  • HTTP requests to purchasing approval endpoints with unusual parameters
  • Traffic patterns suggesting social engineering attempts

SIEM Query:

source="oracle-ebs" AND (event_type="purchase_approval" OR component="Purchasing") AND (user_privilege="LOW" OR approval_action="UNEXPECTED")

🔗 References

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