CVE-2019-2904

Q: What is the severity of CVE-2019-2904?

CVE-2019-2904 has a CVSS score of 9.8 (CRITICAL). This critical vulnerability in Oracle JDeveloper and ADF allows unauthenticated attackers to remotely execute arbitrary code via HTTP requests. It affects Oracle Fusion Middleware's ADF Faces component, potentially leading to complete system compromise. Organizations using affected versions of Oracle JDeveloper and ADF are at risk.

9.8 CRITICAL

Remote Code Execution

📋 TL;DR

This critical vulnerability in Oracle JDeveloper and ADF allows unauthenticated attackers to remotely execute arbitrary code via HTTP requests. It affects Oracle Fusion Middleware's ADF Faces component, potentially leading to complete system compromise. Organizations using affected versions of Oracle JDeveloper and ADF are at risk.

💻 Affected Systems

Products:

Oracle JDeveloper
Oracle Application Development Framework (ADF)

Versions: 11.1.1.9.0, 12.1.3.0.0, 12.2.1.3.0

Operating Systems: All supported platforms running Oracle Fusion Middleware

Default Config Vulnerable: ⚠️ Yes

Notes: Affects the ADF Faces component specifically. All deployments with these versions are vulnerable unless patched.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete takeover of Oracle JDeveloper and ADF systems, allowing attackers to steal sensitive data, modify or delete information, and disrupt business operations.

🟠

Likely Case

Remote code execution leading to data exfiltration, installation of malware, or lateral movement within the network.

🟢

If Mitigated

Limited impact if systems are isolated behind firewalls with strict network segmentation and access controls.

🌐 Internet-Facing: HIGH - CVSS 9.8 indicates critical risk for internet-facing systems due to unauthenticated network access requirement.

🏢 Internal Only: HIGH - Even internal systems are at significant risk due to the unauthenticated nature and low attack complexity.

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: LIKELY

Unauthenticated Exploit: ⚠️ Yes

Complexity: LOW

CVSS indicates 'easily exploitable' with no authentication required. While no public PoC is confirmed, the high score suggests weaponization is likely.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Apply patches from Oracle Critical Patch Updates: October 2019, January 2020, April 2020, July 2020, or April 2021

Vendor Advisory: http://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html

Restart Required: Yes

Instructions:

1. Download appropriate patches from Oracle Support. 2. Apply patches according to Oracle documentation. 3. Restart affected services. 4. Verify patch application.

🔧 Temporary Workarounds

Network Segmentation

all

Restrict network access to Oracle JDeveloper/ADF instances using firewalls

Access Control Lists

all

Implement strict IP-based access controls to limit HTTP access to trusted sources only

🧯 If You Can't Patch

Isolate affected systems in separate network segments with strict firewall rules
Implement web application firewall (WAF) rules to block suspicious HTTP requests to ADF endpoints

🔍 How to Verify

Check if Vulnerable:

Check Oracle JDeveloper/ADF version against affected versions list. Review system logs for unusual HTTP requests to ADF endpoints.

Check Version:

Check Oracle documentation for version-specific verification commands. Typically involves checking product version files or using Oracle-specific utilities.

Verify Fix Applied:

Verify patch application through Oracle version checks. Confirm no unusual activity in logs post-patching.

📡 Detection & Monitoring

Log Indicators:

Unusual HTTP requests to ADF Faces endpoints
Unexpected process execution from web server context
Authentication bypass attempts

Network Indicators:

Suspicious HTTP traffic patterns to Oracle ADF ports
Unusual outbound connections from ADF servers

SIEM Query:

source="oracle_adf" AND (http_method="POST" OR http_method="GET") AND (uri CONTAINS "/adf/" OR uri CONTAINS "faces") AND status="200" FROM unknown_ips

📊 Metadata

CVE ID: CVE-2019-2904

CVSS v3 Score: 9.8 (CRITICAL)

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Published: October 16, 2019

Last Updated: November 21, 2024

🔗 References

http://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html Patch,Vendor Advisory
https://www.oracle.com/security-alerts/cpuapr2020.html Vendor Advisory
https://www.oracle.com/security-alerts/cpuapr2021.html Vendor Advisory
https://www.oracle.com/security-alerts/cpujan2020.html Vendor Advisory
https://www.oracle.com/security-alerts/cpujul2020.html Vendor Advisory
https://www.oracle.com/security-alerts/cpuoct2020.html Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-19-1024/ Third Party Advisory,VDB Entry
http://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html Patch,Vendor Advisory
https://www.oracle.com/security-alerts/cpuapr2020.html Vendor Advisory
https://www.oracle.com/security-alerts/cpuapr2021.html Vendor Advisory
https://www.oracle.com/security-alerts/cpujan2020.html Vendor Advisory
https://www.oracle.com/security-alerts/cpujul2020.html Vendor Advisory
https://www.oracle.com/security-alerts/cpuoct2020.html Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-19-1024/ Third Party Advisory,VDB Entry

📋 TL;DR

💻 Affected Systems

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Banking Platform by Oracle

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Business Process Management Suite by Oracle

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Clinical by Oracle

Communications Diameter Signaling Router by Oracle

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Enterprise Repository by Oracle

Financial Services Lending And Leasing by Oracle

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Financial Services Revenue Management And Billing Analytics by Oracle

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Flexcube Private Banking by Oracle

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Health Sciences Data Management Workbench by Oracle

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Hyperion Planning by Oracle

Rapid Planning by Oracle

Retail Assortment Planning by Oracle

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Retail Sales Audit by Oracle

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⚠️ Risk & Real-World Impact

Worst Case

Likely Case

If Mitigated

🎯 Exploit Status

🛠️ Fix & Mitigation

✅ Official Fix

Instructions:

🔧 Temporary Workarounds

Network Segmentation

Access Control Lists

🧯 If You Can't Patch

🔍 How to Verify

Check if Vulnerable:

Check Version:

Verify Fix Applied:

📡 Detection & Monitoring

Log Indicators:

Network Indicators:

SIEM Query:

📊 Metadata

🔗 References

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