CVE-2018-25094 : Exploit Details and Defense Strategies

CVE-2018-25094 is a vulnerability in the Online Accounting System that allows path traversal, affecting versions 1.4.0 and below. This CVE has a CVSS base score of 3.5 (Low).

Understanding CVE-2018-25094

What is CVE-2018-25094?

The vulnerability in the Online Accounting System allows attackers to manipulate the argument fid in the file ckeditor/filemanager/browser/default/image.php, leading to a path traversal issue.

The Impact of CVE-2018-25094

The exploit can result in unauthorized access to sensitive system files, potentially leading to further attacks or data breaches.

Technical Details of CVE-2018-25094

Vulnerability Description

The vulnerability arises from improper handling of user input in the fid argument, allowing attackers to traverse directories and access unauthorized files.

Affected Systems and Versions

Vendor: Online Accounting System
Affected Versions: 1.0, 1.1, 1.2, 1.3, 1.4

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the fid argument with specific input, such as ../../../etc/passwd, to traverse directories and access sensitive files.

Mitigation and Prevention

Immediate Steps to Take

Upgrade the Online Accounting System to version 2.0.0, which includes a patch to address this vulnerability.

Long-Term Security Practices

Implement input validation mechanisms to prevent path traversal attacks.
Regularly monitor and update software components to address known vulnerabilities.

Patching and Updates

Ensure timely installation of security patches and updates to mitigate the risk of exploitation.