CVE-2019-1010257 : Vulnerability Insights and Analysis

A vulnerability related to disclosing information or modifying data has been identified in the article2pdf_getfile.php file in versions 0.24, 0.25, 0.26, and 0.27 of the Wordpress plugin called article2pdf. By constructing a specific URL, it is possible to override the path of a PDF file, allowing the download of any PDF file that is readable to the web server. This vulnerability can also exploit any file by null terminating the string before the file extension, for PHP versions prior to 5.3.

Understanding CVE-2019-1010257

This CVE entry highlights a security issue in the article2pdf Wordpress plug-in.

What is CVE-2019-1010257?

CVE-2019-1010257 is a vulnerability in the article2pdf Wordpress plug-in that allows attackers to disclose information or modify data through a specific URL manipulation.

The Impact of CVE-2019-1010257

The vulnerability enables unauthorized users to download PDF files by overriding the file path, potentially leading to unauthorized access to sensitive information. Additionally, it allows for the deletion of files if the web server has the necessary permissions.

Technical Details of CVE-2019-1010257

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerability exists in the article2pdf_getfile.php file in versions 0.24, 0.25, 0.26, and 0.27 of the article2pdf Wordpress plug-in. Attackers can manipulate URLs to access and download PDF files.

Affected Systems and Versions

Product: article2pdf Wordpress plug-in
Vendor: article2pdf
Versions Affected: 0.24, 0.25, 0.26, 0.27

Exploitation Mechanism

Attackers can exploit this vulnerability by constructing a specific URL to override the path of a PDF file, enabling unauthorized download and potential deletion of files.

Mitigation and Prevention

Protecting systems from CVE-2019-1010257 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update the article2pdf plug-in to a secure version that addresses the vulnerability.
Monitor file access and downloads for any suspicious activity.

Long-Term Security Practices

Regularly update all Wordpress plug-ins and themes to prevent security vulnerabilities.
Implement access controls and permissions to restrict file downloads and modifications.

Patching and Updates

Apply patches provided by the article2pdf vendor to fix the vulnerability and enhance security measures.