CVE-2023-25260
📋 TL;DR
Stimulsoft Designer (Web) 2023.1.3 contains a Local File Inclusion vulnerability that allows attackers to read arbitrary files on the server. This affects web applications using the vulnerable Stimulsoft Designer component. Attackers can potentially access sensitive configuration files, source code, or other server data.
💻 Affected Systems
- Stimulsoft Designer (Web)
📦 What is this software?
Designer by Stimulsoft
Designer by Stimulsoft
⚠️ Risk & Real-World Impact
Worst Case
Complete server compromise through reading sensitive files like configuration files containing credentials, followed by privilege escalation or lateral movement.
Likely Case
Information disclosure of sensitive files such as configuration files, source code, or system files, potentially leading to further attacks.
If Mitigated
Limited impact if proper file permissions and web server configurations restrict access to sensitive directories.
🎯 Exploit Status
The vulnerability is straightforward to exploit with publicly available information about the flaw.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2023.1.4 or later
Vendor Advisory: http://stimulsoft.com
Restart Required: Yes
Instructions:
1. Download the latest version from the Stimulsoft website. 2. Replace the vulnerable Stimulsoft Designer files with the updated version. 3. Restart the web application or server.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement strict input validation to reject any file path requests containing directory traversal sequences.
Web Server Configuration Restrictions
allConfigure web server to restrict access to sensitive directories and implement proper file permissions.
🧯 If You Can't Patch
- Implement a web application firewall (WAF) with rules to block directory traversal attempts.
- Isolate the vulnerable application in a restricted network segment with limited access to sensitive files.
🔍 How to Verify
Check if Vulnerable:
Check if Stimulsoft Designer (Web) version 2023.1.3 is installed and accessible via web interface.Check Version:
Check the Stimulsoft Designer component version in the web application's configuration or about page.Verify Fix Applied:
Verify the Stimulsoft Designer version is 2023.1.4 or later and test that file inclusion attempts are blocked.📡 Detection & Monitoring
Log Indicators:
- HTTP requests containing directory traversal sequences (../, ..\) to Stimulsoft endpoints
- Unusual file access patterns from web application logs
Network Indicators:
- HTTP requests with file path parameters attempting to access system files
SIEM Query:
source="web_server_logs" AND (uri="*stimulsoft*" AND (uri="*../*" OR uri="*..\*"))