CVE-2024-4219
📋 TL;DR
This CVE describes a Server-Side Request Forgery (SSRF) vulnerability in BeyondInsight HTTP-based connectors that allows attackers to make arbitrary HTTP requests from the vulnerable server. It affects BeyondInsight installations prior to version 23.2. Organizations using vulnerable versions of BeyondInsight are at risk.
💻 Affected Systems
- BeyondInsight
📦 What is this software?
Beyondinsight by Beyondtrust
⚠️ Risk & Real-World Impact
Worst Case
Attackers could access internal services, exfiltrate sensitive data, or pivot to other systems by making requests to internal-only endpoints from the vulnerable server.
Likely Case
Information disclosure from internal services, potential credential harvesting from metadata services, or limited internal network reconnaissance.
If Mitigated
Limited impact due to network segmentation, proper authentication requirements, and monitoring of outbound connections from the BeyondInsight server.
🎯 Exploit Status
Exploitation requires access to BeyondInsight with permissions to use HTTP-based connectors. No public exploit code has been identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 23.2 or later
Vendor Advisory: https://www.beyondtrust.com/trust-center/security-advisories/BT24-05
Restart Required: Yes
Instructions:
1. Download BeyondInsight version 23.2 or later from BeyondTrust support portal. 2. Backup current configuration and database. 3. Run the installer to upgrade to the patched version. 4. Restart the BeyondInsight service and verify functionality.
🔧 Temporary Workarounds
Restrict HTTP Connector Access
allLimit which users/groups have permissions to configure and use HTTP-based connectors in BeyondInsight.
Network Segmentation
allImplement network controls to restrict outbound connections from the BeyondInsight server to only necessary internal services.
🧯 If You Can't Patch
- Implement strict network segmentation to limit the BeyondInsight server's ability to reach sensitive internal services
- Apply principle of least privilege to BeyondInsight user accounts and disable HTTP connector functionality if not required
🔍 How to Verify
Check if Vulnerable:
Check BeyondInsight version in the web interface under Help > About. If version is below 23.2, the system is vulnerable.Check Version:
Not applicable - version check is performed via web interfaceVerify Fix Applied:
After upgrading, verify the version shows 23.2 or higher in the web interface and test HTTP connector functionality to ensure it still works for legitimate use cases.📡 Detection & Monitoring
Log Indicators:
- Unusual HTTP connector activity, especially to internal IP ranges or metadata services
- Multiple failed connector attempts or requests to unexpected endpoints
Network Indicators:
- Outbound HTTP requests from BeyondInsight server to internal services not normally accessed
- Requests to cloud metadata endpoints (169.254.169.254, etc.)
SIEM Query:
source="beyondinsight" AND (event_type="connector_request" OR http_request) AND (dst_ip IN internal_ranges OR dst_host CONTAINS "metadata")