CVE-2018-20127 : Vulnerability Insights and Analysis

A vulnerability has been identified in zzzphp cms 1.5.8 that allows attackers to remotely delete files by exploiting a specific function in the save.php file.

Understanding CVE-2018-20127

This CVE entry describes a security flaw in zzzphp cms 1.5.8 that enables unauthorized file deletions through a manipulation of file extensions.

What is CVE-2018-20127?

The vulnerability in zzzphp cms 1.5.8 allows attackers to delete files remotely by using a mixed-case extension and an additional '.' character.

The Impact of CVE-2018-20127

The issue arises from the del_file function in the save.php file, which permits attackers to bypass certain extension restrictions and delete files.

Technical Details of CVE-2018-20127

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The vulnerability in zzzphp cms 1.5.8 resides in the del_file function within the save.php file, allowing attackers to delete files remotely.

Affected Systems and Versions

Product: zzzphp cms 1.5.8
Vendor: Not applicable
Versions: Not applicable

Exploitation Mechanism

Attackers can exploit this vulnerability by utilizing a mixed-case extension and an additional '.' character to delete files remotely.

Mitigation and Prevention

Protecting systems from CVE-2018-20127 requires immediate actions and long-term security measures.

Immediate Steps to Take

Implement file upload restrictions and validation mechanisms to prevent unauthorized deletions.
Regularly monitor file deletion activities for any suspicious behavior.

Long-Term Security Practices

Conduct regular security audits and penetration testing to identify and address vulnerabilities.
Educate users on safe file handling practices to mitigate risks of unauthorized file deletions.

Patching and Updates

Apply patches and updates provided by the software vendor to address the vulnerability effectively.