CVE-2023-27765
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary commands on systems running vulnerable versions of Wondershare Recoverit. Attackers can exploit this by tricking users into running a malicious recoverit_setup_full4134.exe file. All users of Recoverit v10.6.3 are affected.
💻 Affected Systems
- Wondershare Recoverit
📦 What is this software?
Recoverit by Wondershare
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with attacker gaining complete control over the victim's computer, enabling data theft, ransomware deployment, or persistent backdoor installation.
Likely Case
Malware installation leading to data exfiltration, credential theft, or system disruption through malicious payload execution.
If Mitigated
Limited impact if proper application whitelisting and user privilege restrictions prevent unauthorized execution.
🎯 Exploit Status
Exploitation requires user interaction to execute the malicious file but is technically simple once delivered.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after v10.6.3
Vendor Advisory: https://github.com/liong007/Wondershare/issues/7
Restart Required: No
Instructions:
1. Download latest version from official Wondershare website. 2. Uninstall current version. 3. Install updated version. 4. Verify installation is not v10.6.3.
🔧 Temporary Workarounds
Application Control Policy
windowsImplement application whitelisting to prevent execution of unauthorized .exe files.
# Use Windows AppLocker or similar solution to restrict .exe execution
User Privilege Reduction
windowsRun Recoverit with standard user privileges instead of administrator rights.
# Configure software to run without elevated privileges
🧯 If You Can't Patch
- Block execution of recoverit_setup_full4134.exe using endpoint protection or application control
- Implement network segmentation to limit Recoverit systems from accessing sensitive resources
🔍 How to Verify
Check if Vulnerable:
Check if Recoverit version is 10.6.3 and if recoverit_setup_full4134.exe file exists in installation directory.Check Version:
Check Help > About in Recoverit application or examine program files directory for version informationVerify Fix Applied:
Verify Recoverit version is higher than 10.6.3 and the vulnerable file is not present.📡 Detection & Monitoring
Log Indicators:
- Execution of recoverit_setup_full4134.exe with unusual command-line arguments
- Process creation events from Recoverit with suspicious parent processes
Network Indicators:
- Outbound connections from Recoverit process to unknown external IPs
- DNS requests for suspicious domains following Recoverit execution
SIEM Query:
ProcessName="recoverit_setup_full4134.exe" OR ParentProcessName="recoverit_setup_full4134.exe"