CVE-2024-41808
📋 TL;DR
CVE-2024-41808 is a cross-site scripting (XSS) vulnerability in OpenObserve's dashboard filter selection menu that allows complete account takeover. All OpenObserve users through version 0.9.1 are affected. Attackers can exploit this by injecting malicious scripts that bypass authentication controls.
💻 Affected Systems
- OpenObserve
📦 What is this software?
Openobserve by Openobserve
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of all user accounts, allowing attackers to access sensitive observability data, modify configurations, and potentially pivot to other systems.
Likely Case
Account takeover of individual users, leading to unauthorized access to log data, dashboard manipulation, and potential data exfiltration.
If Mitigated
Limited impact with proper input validation and output encoding, potentially only affecting dashboard functionality without authentication bypass.
🎯 Exploit Status
Exploitation requires user interaction with malicious filter payloads and knowledge of the platform's authentication handling weaknesses.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: None available as of publication
Vendor Advisory: https://github.com/openobserve/openobserve/security/advisories/GHSA-hx23-g7m8-h76j
Restart Required: Yes
Instructions:
1. Monitor OpenObserve GitHub repository for security updates. 2. Apply patch when available. 3. Restart OpenObserve service after patching.
🔧 Temporary Workarounds
Disable Dashboard Filter Functionality
allTemporarily disable the vulnerable filter selection menu in dashboard configurations.
Modify OpenObserve configuration to remove or disable filter functionality
Implement WAF Rules
allAdd web application firewall rules to block XSS payloads in filter parameters.
Add WAF rules to detect and block script tags and JavaScript in URL parameters
🧯 If You Can't Patch
- Isolate OpenObserve deployment behind strict network segmentation
- Implement strong authentication controls and session management
🔍 How to Verify
Check if Vulnerable:
Check if OpenObserve version is 0.9.1 or earlier and dashboard filter functionality is enabled.Check Version:
Check OpenObserve web interface or deployment configuration for version informationVerify Fix Applied:
Verify OpenObserve version is later than 0.9.1 and test filter functionality with XSS payloads.📡 Detection & Monitoring
Log Indicators:
- Unusual filter parameter values containing script tags or JavaScript
- Multiple failed authentication attempts followed by successful logins from new locations
Network Indicators:
- HTTP requests with suspicious filter parameters containing script elements
- Unusual outbound traffic patterns from OpenObserve instances
SIEM Query:
source="openobserve" AND (url="*filter=*script*" OR url="*filter=*javascript:*")