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CVE-2019-2775

9.1 CRITICAL
Denial of Service

📋 TL;DR

This vulnerability in Oracle Payments allows unauthenticated attackers to remotely compromise the system via HTTP. Attackers can modify or delete critical data, or cause denial of service by crashing Oracle Payments. Affected systems include Oracle E-Business Suite versions 12.1.1-12.1.3 and 12.2.3-12.2.8.

💻 Affected Systems

Products:
  • Oracle E-Business Suite
Versions: 12.1.1-12.1.3 and 12.2.3-12.2.8
Operating Systems: All platforms running Oracle E-Business Suite
Default Config Vulnerable: ⚠️ Yes
Notes: Specifically affects the Oracle Payments component, File Transmission subcomponent. Requires Oracle Payments to be installed and configured.

📦 What is this software?

Payments by Oracle

View all CVEs affecting Payments →

Payments by Oracle

View all CVEs affecting Payments →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete compromise of Oracle Payments data integrity and availability - attackers can delete/modify all payment data and cause permanent service disruption.

🟠

Likely Case

Data manipulation in payment systems leading to financial fraud or service disruption affecting business operations.

🟢

If Mitigated

Limited impact if network segmentation and authentication controls prevent unauthenticated HTTP access to vulnerable components.

🌐 Internet-Facing: HIGH - Unauthenticated network access via HTTP makes internet-facing instances extremely vulnerable to remote attacks.
🏢 Internal Only: HIGH - Even internally, unauthenticated access allows any network user to exploit this vulnerability.

🎯 Exploit Status

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

CVSS indicates 'easily exploitable' with no authentication required, suggesting simple exploitation via HTTP requests.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Apply Oracle Critical Patch Update July 2019 or later

Vendor Advisory: http://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html

Restart Required: Yes

Instructions:

1. Download July 2019 Critical Patch Update from Oracle Support. 2. Apply patch to affected Oracle E-Business Suite instances. 3. Restart Oracle Payments services. 4. Test functionality.

🔧 Temporary Workarounds

Network Segmentation

linux

Restrict HTTP access to Oracle Payments component using firewall rules

iptables -A INPUT -p tcp --dport 8000 -s trusted_network -j ACCEPT
iptables -A INPUT -p tcp --dport 8000 -j DROP

Web Application Firewall

all

Deploy WAF to filter malicious HTTP requests to Oracle Payments endpoints

🧯 If You Can't Patch

  • Implement strict network segmentation to isolate Oracle Payments from untrusted networks
  • Deploy intrusion detection/prevention systems to monitor for exploitation attempts

🔍 How to Verify

Check if Vulnerable:

Check Oracle E-Business Suite version and verify Oracle Payments component is installed and active

Check Version:

SELECT RELEASE_NAME FROM FND_PRODUCT_GROUPS;

Verify Fix Applied:

Verify July 2019 CPU patch is applied and test Oracle Payments functionality

📡 Detection & Monitoring

Log Indicators:

  • Unusual HTTP requests to Oracle Payments endpoints
  • Multiple failed payment processing attempts
  • Oracle Payments service restart/crash logs

Network Indicators:

  • HTTP traffic to Oracle Payments ports from unexpected sources
  • Unusual payload patterns in HTTP requests

SIEM Query:

source="oracle-ebs" AND (event_type="service_crash" OR event_type="unauthorized_access") AND component="payments"

📊 Metadata

CVE ID: CVE-2019-2775
CVSS v3 Score: 9.1 (CRITICAL)
CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Published: July 23, 2019
Last Updated: November 21, 2024

🔗 References

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