CVE-2023-27767
📋 TL;DR
This vulnerability in Wondershare Dr.Fone allows remote attackers to execute arbitrary commands through a malicious drfone_setup_full3360.exe file. It affects users running Dr.Fone version 12.4.9 on Windows systems. Attackers can gain full control of affected systems.
💻 Affected Systems
- Wondershare Dr.Fone
📦 What is this software?
Dr.fone by Wondershare
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with attacker gaining administrative privileges, installing malware, stealing data, and using the system as a foothold for lateral movement.
Likely Case
Remote code execution leading to malware installation, data theft, or ransomware deployment on individual workstations.
If Mitigated
Limited impact with proper network segmentation, application whitelisting, and user privilege restrictions preventing successful exploitation.
🎯 Exploit Status
Exploitation requires user to execute malicious file, but no authentication or special privileges needed once file is run.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Later than 12.4.9
Vendor Advisory: https://github.com/liong007/Wondershare/issues/6
Restart Required: Yes
Instructions:
1. Download latest version from official Wondershare website. 2. Uninstall current version. 3. Install updated version. 4. Restart system.
🔧 Temporary Workarounds
Application Control
windowsBlock execution of drfone_setup_full3360.exe using application whitelisting or Windows AppLocker.
New-AppLockerPolicy -RuleType Path -Action Deny -Path "*drfone_setup_full3360.exe" -User Everyone
Network Segmentation
allIsolate systems running Dr.Fone from critical network segments and internet access.
🧯 If You Can't Patch
- Remove Dr.Fone from affected systems entirely
- Implement strict user privilege management (run as standard user, not admin)
🔍 How to Verify
Check if Vulnerable:
Check Dr.Fone version in Help > About. If version is 12.4.9, system is vulnerable.Check Version:
wmic product where name="Dr.Fone" get versionVerify Fix Applied:
Verify installed version is newer than 12.4.9 and check that drfone_setup_full3360.exe cannot execute arbitrary commands.📡 Detection & Monitoring
Log Indicators:
- Process creation events for drfone_setup_full3360.exe with suspicious command-line arguments
- Windows Event ID 4688 with process name drfone_setup_full3360.exe
Network Indicators:
- Outbound connections from Dr.Fone process to unexpected destinations
- DNS queries for suspicious domains following Dr.Fone execution
SIEM Query:
source="windows" AND (process_name="drfone_setup_full3360.exe" OR parent_process="drfone_setup_full3360.exe")