CVE-2019-14839
📋 TL;DR
CVE-2019-14839 is an information disclosure vulnerability in Business-central console where HTTP requests expose login credentials during authentication. This affects organizations using vulnerable versions of Business-central, allowing attackers to intercept usernames and passwords. The vulnerability occurs during the login process when credentials are transmitted insecurely.
💻 Affected Systems
- Red Hat Process Automation Manager
- Red Hat Decision Manager
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers capture administrator credentials, gain full system access, and potentially compromise the entire Business-central environment and connected systems.
Likely Case
Attackers intercept user credentials through network sniffing or man-in-the-middle attacks, leading to unauthorized access to Business-central console and potential data theft.
If Mitigated
With proper network segmentation and encryption, impact is limited to credential exposure without successful exploitation.
🎯 Exploit Status
Exploitation requires intercepting HTTP traffic during login, which can be done with common tools like Burp Suite or Wireshark.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 7.5.1 and later
Vendor Advisory: https://access.redhat.com/security/cve/cve-2019-14839
Restart Required: Yes
Instructions:
1. Update to Red Hat Process Automation Manager 7.5.1 or later. 2. Update to Red Hat Decision Manager 7.5.1 or later. 3. Restart the Business-central service after patching.
🔧 Temporary Workarounds
Enable HTTPS/TLS
allForce all Business-central console traffic to use encrypted HTTPS connections to prevent credential interception.
Configure SSL/TLS in Business-central server configuration
Redirect HTTP to HTTPS
Network Segmentation
allIsolate Business-central console traffic to trusted network segments only.
Configure firewall rules to restrict access
Implement VLAN segmentation
🧯 If You Can't Patch
- Implement network-level encryption (VPN, IPSec) for all Business-central traffic
- Deploy web application firewall to detect and block credential interception attempts
🔍 How to Verify
Check if Vulnerable:
Check if Business-central version is below 7.5.1 and test login with network traffic interception tools.Check Version:
Check Business-central console version in web interface or server logsVerify Fix Applied:
Verify version is 7.5.1 or later and confirm credentials are not visible in plaintext during login interception tests.📡 Detection & Monitoring
Log Indicators:
- Multiple failed login attempts from unusual locations
- Successful logins from unexpected IP addresses
Network Indicators:
- Unencrypted HTTP traffic containing 'username' and 'password' fields
- Suspicious interception tools communicating with Business-central server
SIEM Query:
source="business-central" AND (http_request AND (username OR password) AND NOT https)