CVE-2023-40183
📋 TL;DR
This vulnerability in DataEase allows attackers to upload malicious files disguised as images that can steal user cookies when accessed. It affects all DataEase users running versions before 1.18.11. Attackers can exploit this to hijack user sessions and potentially gain unauthorized access.
💻 Affected Systems
- DataEase
📦 What is this software?
Dataease by Dataease
⚠️ Risk & Real-World Impact
Worst Case
Complete account takeover, data theft, and privilege escalation leading to full system compromise.
Likely Case
Session hijacking leading to unauthorized access to sensitive data and functionality.
If Mitigated
Limited impact with proper network segmentation and access controls, but still potential for data exposure.
🎯 Exploit Status
Requires ability to upload files and trick users into accessing malicious links. No authentication bypass needed for exploitation once file is uploaded.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.18.11
Vendor Advisory: https://github.com/dataease/dataease/security/advisories/GHSA-w2r4-2r4w-fjxv
Restart Required: Yes
Instructions:
1. Backup your DataEase instance and data. 2. Download version 1.18.11 from official releases. 3. Stop the DataEase service. 4. Replace with patched version. 5. Restart the service. 6. Verify functionality.
🔧 Temporary Workarounds
Disable file upload functionality
allTemporarily disable all file upload features in DataEase configuration
Modify DataEase configuration to remove or disable file upload endpoints
Implement WAF rules
allAdd web application firewall rules to block malicious file uploads and suspicious file extensions
Add WAF rules to block .html files in upload requests and suspicious content types
🧯 If You Can't Patch
- Implement strict file upload validation with whitelisted extensions and content-type checking
- Deploy DataEase behind reverse proxy with strict upload filtering and disable direct access to uploaded files
🔍 How to Verify
Check if Vulnerable:
Check DataEase version via web interface or configuration files. If version is below 1.18.11, system is vulnerable.Check Version:
Check DataEase web interface admin panel or examine application configuration files for version information.Verify Fix Applied:
Verify version is 1.18.11 or higher and test file upload functionality with various file types.📡 Detection & Monitoring
Log Indicators:
- File uploads with .html extension
- Multiple failed upload attempts
- Unusual file size uploads
Network Indicators:
- HTTP requests to uploaded .html files
- File uploads with mismatched content-type and extension
SIEM Query:
source="dataease" AND (url="*upload*" AND file_extension=".html") OR (http_method="POST" AND uri="*/upload*")🔗 References
- https://github.com/dataease/dataease/commit/826513053146721a2b3e09a9c9d3ea41f8f10569
- https://github.com/dataease/dataease/releases/tag/v1.18.11
- https://github.com/dataease/dataease/security/advisories/GHSA-w2r4-2r4w-fjxv
- https://github.com/dataease/dataease/commit/826513053146721a2b3e09a9c9d3ea41f8f10569
- https://github.com/dataease/dataease/releases/tag/v1.18.11
- https://github.com/dataease/dataease/security/advisories/GHSA-w2r4-2r4w-fjxv
