CVE-2024-8015
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary code on Progress Telerik Report Server by exploiting insecure type resolution through object injection. Attackers can potentially take full control of affected systems. Organizations using Telerik Report Server versions before 2024 Q3 are affected.
💻 Affected Systems
- Progress Telerik Report Server
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attackers to install malware, steal sensitive data, pivot to other systems, and maintain persistent access.
Likely Case
Attackers gain remote code execution to deploy ransomware, cryptocurrency miners, or establish backdoors for future attacks.
If Mitigated
With proper network segmentation and access controls, impact may be limited to the application server only.
🎯 Exploit Status
The vulnerability requires network access to the Report Server but no authentication. Exploitation is straightforward once the attack vector is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2024 Q3 (10.2.24.924) or later
Vendor Advisory: https://docs.telerik.com/report-server/knowledge-base/insecure-type-resolution-cve-2024-8015
Restart Required: Yes
Instructions:
1. Download Telerik Report Server 2024 Q3 (10.2.24.924) or later from the Progress website. 2. Backup your current installation and configuration. 3. Run the installer to upgrade. 4. Restart the Report Server service. 5. Verify the upgrade completed successfully.
🔧 Temporary Workarounds
Network Isolation
allRestrict network access to Telerik Report Server to only trusted IP addresses and networks
Web Application Firewall Rules
allImplement WAF rules to block suspicious object serialization patterns
🧯 If You Can't Patch
- Implement strict network segmentation and firewall rules to limit access to the Report Server
- Deploy a web application firewall with rules specifically targeting object injection attacks
🔍 How to Verify
Check if Vulnerable:
Check the Report Server version in the administration interface or by examining the installed software versionCheck Version:
Check the About section in Telerik Report Server web interface or examine the installation directory version filesVerify Fix Applied:
Verify the version is 10.2.24.924 or higher and test that reporting functionality still works properly📡 Detection & Monitoring
Log Indicators:
- Unusual serialization/deserialization activity
- Suspicious .NET type resolution errors
- Unexpected process creation from Report Server
Network Indicators:
- Unusual HTTP POST requests to reporting endpoints with serialized objects
- Outbound connections from Report Server to unexpected destinations
SIEM Query:
source="telerik-report-server" AND (event_type="deserialization" OR process_name="powershell" OR process_name="cmd")