CVE-2018-20789 : Exploit Details and Defense Strategies
Learn about CVE-2018-20789 affecting Tecrail Responsive FileManager 9.13.4, enabling remote attackers to delete directories. Find mitigation steps and prevention measures.
Tecrail Responsive FileManager 9.13.4 allows remote attackers to delete directories through a path traversal bypass in execute.php.
Understanding CVE-2018-20789
This CVE involves a vulnerability in Tecrail Responsive FileManager 9.13.4 that enables malicious actors to delete directories remotely.
What is CVE-2018-20789?
The presence of a paths[0] path traversal bypass in the execute.php file of Tecrail Responsive FileManager 9.13.4 allows attackers to delete any directory remotely by exploiting the delete_folder action.
The Impact of CVE-2018-20789
This vulnerability can be exploited by remote attackers to delete arbitrary directories, potentially leading to data loss and system compromise.
Technical Details of CVE-2018-20789
Tecrail Responsive FileManager 9.13.4 is susceptible to remote directory deletion due to a path traversal bypass in the execute.php file.
Vulnerability Description
The vulnerability in execute.php allows attackers to delete directories remotely by exploiting the delete_folder action.
Affected Systems and Versions
- Product: Tecrail Responsive FileManager 9.13.4
- Vendor: Not applicable
- Version: Not applicable
Exploitation Mechanism
Attackers can exploit the path traversal bypass in execute.php to delete directories remotely using the delete_folder action.
Mitigation and Prevention
To address CVE-2018-20789, immediate steps and long-term security practices are recommended.
Immediate Steps to Take
- Disable or restrict access to the affected FileManager component.
- Implement network-level controls to limit access to the FileManager.
Long-Term Security Practices
- Regularly update and patch the FileManager software to mitigate known vulnerabilities.
- Conduct security assessments and penetration testing to identify and address potential weaknesses.
- Educate users on safe file management practices to prevent unauthorized actions.
Patching and Updates
Ensure that Tecrail Responsive FileManager is updated to a secure version that addresses the path traversal bypass vulnerability.