CVE-2024-37672
📋 TL;DR
A cross-site scripting (XSS) vulnerability in Tessi Docubase Document Management product allows remote attackers to inject malicious scripts via the idactivity parameter. This affects all users of Docubase 5.x versions, potentially compromising user sessions and data.
💻 Affected Systems
- Tessi Docubase Document Management
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users, potentially leading to data theft or system compromise.
Likely Case
Session hijacking, credential theft, or defacement of the application interface through injected malicious scripts.
If Mitigated
Limited impact with proper input validation and output encoding; attackers could still inject scripts but with reduced effectiveness.
🎯 Exploit Status
Exploitation requires user interaction (clicking a malicious link) but is straightforward with public proof-of-concept available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Not provided in references
Restart Required: No
Instructions:
Check vendor website for security updates or patches. Apply any available fixes following vendor documentation.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement server-side validation and sanitization of the idactivity parameter to remove or encode malicious scripts.
Content Security Policy (CSP)
allDeploy a strict CSP header to restrict script execution sources, mitigating XSS impact.
🧯 If You Can't Patch
- Implement a web application firewall (WAF) with XSS protection rules.
- Disable or restrict access to vulnerable components if not essential.
🔍 How to Verify
Check if Vulnerable:
Test by injecting a script payload into the idactivity parameter and observing if it executes in the browser.Check Version:
Check application version via admin interface or configuration files; refer to vendor documentation.Verify Fix Applied:
Re-test with the same payload after applying fixes; ensure scripts are not executed and input is properly sanitized.📡 Detection & Monitoring
Log Indicators:
- Unusual or malicious strings in idactivity parameter logs, such as script tags or JavaScript code.
Network Indicators:
- HTTP requests with suspicious payloads in the idactivity parameter.
SIEM Query:
Example: source="web_server" AND (idactivity CONTAINS "<script>" OR idactivity CONTAINS "javascript:")