CVE-2020-18166 Explained : Impact and Mitigation
Learn about CVE-2020-18166, a vulnerability in LAOBANCMS v2.0 allowing remote attackers to upload arbitrary files. Find out the impact, affected systems, exploitation, and mitigation steps.
A vulnerability in LAOBANCMS v2.0 allows remote attackers to upload arbitrary files through unrestricted file upload.
Understanding CVE-2020-18166
This CVE describes a security issue in LAOBANCMS v2.0 that enables attackers to upload malicious files.
What is CVE-2020-18166?
The vulnerability permits remote attackers to upload arbitrary files by appending a ".jpg.php" extension to a file attached to the component "admin/wenjian.php?wj=../templets/pc".
The Impact of CVE-2020-18166
The vulnerability could lead to unauthorized access, execution of malicious scripts, and potential compromise of the affected system.
Technical Details of CVE-2020-18166
This section provides more technical insights into the CVE.
Vulnerability Description
The flaw in LAOBANCMS v2.0 allows attackers to bypass file upload restrictions and upload files with dangerous extensions.
Affected Systems and Versions
- Affected Version: LAOBANCMS v2.0
Exploitation Mechanism
Attackers exploit the vulnerability by attaching a file with a ".jpg.php" extension to the specified component.
Mitigation and Prevention
Protecting systems from this vulnerability is crucial.
Immediate Steps to Take
- Disable file uploads in the affected component
- Implement input validation to block malicious file extensions
Long-Term Security Practices
- Regularly update LAOBANCMS to the latest version
- Conduct security audits to identify and address vulnerabilities
Patching and Updates
- Apply patches or security updates provided by LAOBANCMS to fix the vulnerability