CVE-2024-12251
📋 TL;DR
This CVE describes a command injection vulnerability in Progress Telerik UI for WinUI where improper neutralization of hyperlink elements allows attackers to execute arbitrary commands. Attackers can exploit this by crafting malicious hyperlinks that get processed by the vulnerable component. Applications using Telerik UI for WinUI versions prior to 2025 Q1 (3.0.0) are affected.
💻 Affected Systems
- Progress Telerik UI for WinUI
📦 What is this software?
⚠️ 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 the application context, potentially leading to data theft, privilege escalation, or denial of service.
If Mitigated
No impact if proper input validation and output encoding are implemented, or if the vulnerable component is not exposed to untrusted input.
🎯 Exploit Status
Exploitation requires the attacker to control hyperlink input that gets processed by the vulnerable component.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2025 Q1 (3.0.0) or later
Vendor Advisory: https://docs.telerik.com/devtools/winui/security/kb-security-command-injection-cve-2024-12251
Restart Required: No
Instructions:
1. Update Telerik UI for WinUI to version 3.0.0 or later. 2. Rebuild and redeploy affected applications. 3. Test functionality to ensure compatibility.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement strict input validation and output encoding for all hyperlink data processed by the application.
Disable Vulnerable Hyperlink Features
allIf possible, disable or restrict the use of hyperlink functionality in affected Telerik UI components.
🧯 If You Can't Patch
- Implement network segmentation to isolate affected systems from critical assets.
- Deploy application-level firewalls or WAF rules to block malicious hyperlink patterns.
🔍 How to Verify
Check if Vulnerable:
Check the Telerik UI for WinUI version in your project references or package manager. If version is below 3.0.0, you are vulnerable.Check Version:
Check the package version in your project's package manager (NuGet) or project references.Verify Fix Applied:
Confirm the Telerik UI for WinUI version is 3.0.0 or higher after updating.📡 Detection & Monitoring
Log Indicators:
- Unusual command execution events
- Suspicious hyperlink processing patterns
- Application crashes related to hyperlink handling
Network Indicators:
- Unexpected outbound connections from the application
- Command and control traffic patterns
SIEM Query:
Search for process creation events with suspicious command-line arguments originating from the affected application.