CVE-2024-7679
📋 TL;DR
This vulnerability allows attackers to execute arbitrary commands on systems running vulnerable Progress Telerik UI for WinForms applications. Attackers can exploit improper neutralization of hyperlink elements to inject malicious commands. Organizations using affected Telerik UI versions in their Windows Forms applications are at risk.
💻 Affected Systems
- Progress Telerik UI for WinForms
📦 What is this software?
Ui For Wpf by Telerik
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with remote code execution, allowing attackers to install malware, exfiltrate data, or pivot to other systems.
Likely Case
Limited command execution within application context, potentially leading to data theft, system manipulation, or further exploitation.
If Mitigated
No impact if proper input validation and output encoding are implemented, or if application runs with minimal privileges.
🎯 Exploit Status
Exploitation requires user interaction with malicious hyperlink content. No authentication needed if application accepts external input.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2024.3.924 (2024 Q3)
Vendor Advisory: https://docs.telerik.com/devtools/winforms/knowledge-base/command-injection-cve-2024-7679
Restart Required: Yes
Instructions:
1. Update Telerik UI for WinForms to version 2024.3.924 or later. 2. Rebuild and redeploy affected applications. 3. Restart applications to apply changes.
🔧 Temporary Workarounds
Input Validation
allImplement strict input validation for all hyperlink content, rejecting or sanitizing suspicious patterns.
Application Sandboxing
windowsRun application with minimal privileges using application sandboxing or restricted user accounts.
🧯 If You Can't Patch
- Implement network segmentation to isolate vulnerable applications from critical systems.
- Deploy application control solutions to restrict execution of unauthorized commands.
🔍 How to Verify
Check if Vulnerable:
Check Telerik UI version in project references or assembly version. If version is below 2024.3.924 and application uses hyperlink controls, it is vulnerable.Check Version:
Get-ChildItem -Path . -Filter Telerik.UI.dll -Recurse | Select-Object -ExpandProperty VersionInfo | Select-Object FileVersionVerify Fix Applied:
Confirm Telerik.UI.dll version is 2024.3.924 or higher in deployed application binaries.📡 Detection & Monitoring
Log Indicators:
- Unusual command execution events from application process
- Suspicious hyperlink processing patterns in application logs
Network Indicators:
- Unexpected outbound connections from application to external systems
- Command and control traffic patterns
SIEM Query:
ProcessName="YourApp.exe" AND (CommandLine CONTAINS "cmd.exe" OR CommandLine CONTAINS "powershell.exe")