CVE-2020-14974 : Exploit Details and Defense Strategies
Discover how CVE-2020-14974 in IOBit Unlocker 1.1.2 allows unauthorized users to terminate critical processes, posing risks of system instability and data loss. Learn mitigation steps here.
IOBit Unlocker 1.1.2 allows a low-privileged user to unlock a file and kill processes, including those running as SYSTEM, via a specific IOCTL code.
Understanding CVE-2020-14974
This CVE involves a vulnerability in IOBit Unlocker 1.1.2 that enables unauthorized users to terminate processes holding file handles.
What is CVE-2020-14974?
The driver in IOBit Unlocker 1.1.2 permits a low-privileged user to unlock files and terminate processes, even those executed with SYSTEM privileges, by utilizing IOCTL code 0x222124.
The Impact of CVE-2020-14974
The vulnerability allows attackers to force the termination of critical processes, potentially leading to system instability, data loss, or unauthorized access to sensitive information.
Technical Details of CVE-2020-14974
This section provides in-depth technical insights into the CVE.
Vulnerability Description
The flaw in IOBit Unlocker 1.1.2 enables unauthorized users to unlock files and terminate processes, including those running with elevated privileges, by exploiting a specific IOCTL code.
Affected Systems and Versions
- Product: IOBit Unlocker 1.1.2
- Vendor: IOBit
- Version: All versions are affected
Exploitation Mechanism
The vulnerability is exploited by sending a crafted IOCTL code (0x222124) to the driver, allowing unauthorized users to force the termination of processes holding file handles.
Mitigation and Prevention
Protecting systems from CVE-2020-14974 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Disable or uninstall IOBit Unlocker 1.1.2 until a patch is available.
- Monitor system processes for any unusual activities.
- Restrict user privileges to minimize the impact of potential attacks.
Long-Term Security Practices
- Regularly update software and apply security patches promptly.
- Implement least privilege access controls to limit the capabilities of low-privileged users.
Patching and Updates
- Check for security updates from IOBit and apply patches as soon as they are released to mitigate the vulnerability effectively.