CVE-2024-1403: Progress OpenEdge Auth Bypass Vulnerability

CVE-2024-1403 Overview

CVE-2024-1403 is a critical authentication bypass vulnerability affecting Progress OpenEdge Authentication Gateway and AdminServer. The vulnerability stems from improper handling of username and password credentials, allowing attackers to gain unauthorized access to protected systems without proper authentication. This flaw affects all platforms supported by the OpenEdge product in versions prior to 11.7.19, 12.2.14, and 12.8.1.

Critical Impact

This authentication bypass vulnerability allows unauthenticated remote attackers to gain unauthorized access to OpenEdge Authentication Gateway and AdminServer by exploiting improper credential handling, potentially compromising business-critical applications and data.

Affected Products

• Progress OpenEdge versions prior to 11.7.19 (LTS)
• Progress OpenEdge versions prior to 12.2.14 (LTS)
• Progress OpenEdge versions prior to 12.8.1 (LTS)

Discovery Timeline

• 2024-02-27 - CVE-2024-1403 published to NVD
• 2025-02-11 - Last updated in NVD database

Technical Details for CVE-2024-1403

Vulnerability Analysis

This authentication bypass vulnerability (CWE-305: Authentication Bypass by Primary Weakness) exists in the Progress OpenEdge Authentication Gateway and AdminServer components. The flaw occurs when the authentication mechanism fails to properly validate and handle username and password inputs during the authentication process.

When certain unexpected content is passed into the credential fields, the authentication logic can be circumvented entirely, granting unauthorized access to protected resources. This vulnerability is particularly dangerous because it affects both the Authentication Gateway, which handles user authentication for OpenEdge applications, and the AdminServer, which manages administrative functions for the OpenEdge environment.

The network-accessible nature of these components means that any system exposed to the network could be targeted by remote attackers without requiring any prior authentication or user interaction.

Root Cause

The root cause of CVE-2024-1403 lies in insufficient input validation within the authentication routines of OpenEdge Authentication Gateway and AdminServer. The authentication mechanism fails to properly sanitize and validate credential inputs, allowing specially crafted content to bypass the normal authentication flow. This represents a fundamental flaw in how the application processes authentication requests, where edge cases in credential handling are not adequately addressed.

Attack Vector

The attack vector for CVE-2024-1403 is network-based, allowing remote exploitation without requiring any privileges or user interaction. An attacker can exploit this vulnerability by sending specially crafted authentication requests to either the OpenEdge Authentication Gateway or AdminServer components.

The exploitation mechanism involves providing unexpected content in the username and/or password fields during the authentication process. Due to improper handling of these inputs, the authentication check can be bypassed, granting the attacker unauthorized access to the system with potential full administrative privileges.

Organizations running vulnerable versions of Progress OpenEdge with these components exposed to the network are at significant risk. For detailed technical information about this vulnerability, refer to the Progress Critical Alert.

Detection Methods for CVE-2024-1403

Indicators of Compromise

• Unusual authentication patterns or successful logins with malformed or unexpected credentials
• Unexpected administrative actions in AdminServer logs without corresponding valid user sessions
• Authentication Gateway logs showing anomalous login requests with irregular credential formats
• Unauthorized configuration changes or access to protected OpenEdge resources

Detection Strategies

• Implement monitoring rules to detect authentication requests with malformed or unusual credential patterns
• Configure SIEM alerts for successful authentications that bypass normal credential validation
• Review AdminServer and Authentication Gateway logs for access patterns that deviate from baseline behavior
• Deploy network intrusion detection signatures to identify exploitation attempts targeting OpenEdge authentication endpoints

Monitoring Recommendations

• Enable verbose logging on OpenEdge Authentication Gateway and AdminServer components
• Establish baseline authentication patterns and alert on deviations
• Monitor network traffic to OpenEdge services for suspicious authentication request patterns
• Implement real-time alerting for any unauthorized access to administrative functions

How to Mitigate CVE-2024-1403

Immediate Actions Required

• Upgrade Progress OpenEdge to version 11.7.19, 12.2.14, or 12.8.1 (or later) depending on your LTS track immediately
• Restrict network access to Authentication Gateway and AdminServer components using firewalls and access control lists
• Implement additional authentication layers such as VPN requirements or network segmentation for administrative interfaces
• Monitor authentication logs for any signs of exploitation attempts

Patch Information

Progress Software has released security patches addressing this vulnerability in the following versions:

• OpenEdge 11.7.19 for the 11.x LTS track
• OpenEdge 12.2.14 for the 12.2.x LTS track
• OpenEdge 12.8.1 for the 12.8.x track

Organizations should consult the Progress Critical Alert for official patch download links and detailed upgrade instructions. Apply the appropriate patch based on your current OpenEdge version track.

Workarounds

• Implement network segmentation to isolate OpenEdge Authentication Gateway and AdminServer from untrusted networks
• Configure firewall rules to restrict access to authentication endpoints to known trusted IP addresses only
• Deploy a Web Application Firewall (WAF) with rules to filter malicious authentication requests
• Consider disabling remote access to AdminServer until patches can be applied if the service is not business-critical

# Example firewall rules to restrict access to OpenEdge services
# Restrict AdminServer access to trusted management network only
iptables -A INPUT -p tcp --dport 20931 -s 10.0.0.0/8 -j ACCEPT
iptables -A INPUT -p tcp --dport 20931 -j DROP

# Restrict Authentication Gateway to internal network
iptables -A INPUT -p tcp --dport 443 -s 192.168.0.0/16 -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -j DROP