CVE-2023-30330
📋 TL;DR
SoftExpert Excellence Suite 2.x versions before 2.1.3 contain a Local File Inclusion vulnerability in the defaultframe_filter.php component. This allows attackers to read arbitrary files from the server, potentially leading to remote code execution. Organizations running affected versions of SoftExpert Excellence Suite are vulnerable.
💻 Affected Systems
- SoftExpert Excellence Suite
📦 What is this software?
Excellence Suite by Softexpert
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, data exfiltration, and lateral movement within the network.
Likely Case
Sensitive file disclosure including configuration files, credentials, and application data, potentially enabling further attacks.
If Mitigated
Limited impact with proper network segmentation, file system permissions, and web application firewalls in place.
🎯 Exploit Status
Multiple public exploit scripts are available that demonstrate file inclusion and RCE capabilities.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.1.3
Vendor Advisory: Not publicly available in provided references
Restart Required: Yes
Instructions:
1. Backup current installation and data. 2. Download and install SoftExpert Excellence Suite version 2.1.3 or later. 3. Restart the application services. 4. Verify the patch is applied successfully.
🔧 Temporary Workarounds
Web Application Firewall Rule
allBlock requests to the vulnerable endpoint with pattern matching
WAF specific - configure rule to block requests containing '/se/v42300/generic/gn_defaultframe/2.0/defaultframe_filter.php' with suspicious parameters
File System Restriction
linuxRestrict access to the vulnerable PHP file
chmod 000 /path/to/se/v42300/generic/gn_defaultframe/2.0/defaultframe_filter.php
chown root:root /path/to/se/v42300/generic/gn_defaultframe/2.0/defaultframe_filter.php
🧯 If You Can't Patch
- Implement strict network segmentation to isolate the vulnerable system from critical assets
- Deploy a web application firewall with specific rules to block exploitation attempts
🔍 How to Verify
Check if Vulnerable:
Check if the file /se/v42300/generic/gn_defaultframe/2.0/defaultframe_filter.php exists and test with controlled LFI payloads in a safe environmentCheck Version:
Check application configuration files or admin interface for version informationVerify Fix Applied:
Verify the application version is 2.1.3 or later and test that file inclusion attempts are properly blocked📡 Detection & Monitoring
Log Indicators:
- HTTP requests to /se/v42300/generic/gn_defaultframe/2.0/defaultframe_filter.php with file path parameters
- Unusual file access patterns from web server process
Network Indicators:
- HTTP requests containing '../' sequences or file path traversal patterns
- Unusual outbound connections from web server following exploitation
SIEM Query:
source="web_server_logs" AND uri="/se/v42300/generic/gn_defaultframe/2.0/defaultframe_filter.php" AND (param="*../*" OR param="*file=*")