CVE-2020-10458 : Security Advisory and Response

Chadha PHPKB Standard Multi-Language 9 is vulnerable to a Path Traversal issue that allows attackers to delete folders on the webserver, leading to a Denial of Service.

Understanding CVE-2020-10458

This CVE involves a Path Traversal vulnerability in Chadha PHPKB Standard Multi-Language 9, enabling malicious actors to delete folders on the webserver.

What is CVE-2020-10458?

The vulnerability in admin/imagepaster/operations.php in Chadha PHPKB Standard Multi-Language 9 permits attackers to delete any folder on the webserver using a dot-dot-slash sequence (../) via the GET parameter crdir, when the GET parameter action is set to df, resulting in a Denial of Service.

The Impact of CVE-2020-10458

This vulnerability can be exploited by attackers to delete critical folders on the webserver, potentially disrupting services and causing a Denial of Service.

Technical Details of CVE-2020-10458

This section provides more technical insights into the CVE.

Vulnerability Description

The flaw in Chadha PHPKB Standard Multi-Language 9 allows for Path Traversal, enabling unauthorized deletion of folders on the webserver.

Affected Systems and Versions

Product: Chadha PHPKB Standard Multi-Language 9
Vendor: Not applicable
Version: Not applicable

Exploitation Mechanism

The vulnerability can be exploited by manipulating the GET parameters crdir and action to traverse directories and delete folders on the webserver.

Mitigation and Prevention

Protect your systems from CVE-2020-10458 with the following steps:

Immediate Steps to Take

Apply security patches or updates provided by the vendor.
Implement proper input validation to prevent directory traversal attacks.

Long-Term Security Practices

Regularly monitor and audit file system changes.
Conduct security assessments to identify and mitigate similar vulnerabilities.

Patching and Updates

Ensure timely installation of security patches and updates to address the vulnerability effectively.