CVE-2017-9030 : What You Need to Know

Codextrous B2J Contact extension prior to 2.1.13 for Joomla! is vulnerable to a directory traversal attack, allowing unauthorized access to read arbitrary uploaded files.

Understanding CVE-2017-9030

This CVE describes a security vulnerability in the Codextrous B2J Contact extension for Joomla! that enables a directory traversal attack.

What is CVE-2017-9030?

The Codextrous B2J Contact extension before version 2.1.13 for Joomla! is susceptible to a directory traversal attack that circumvents the uniqid protection mechanism, enabling unauthorized access to view arbitrary uploaded files.

The Impact of CVE-2017-9030

The vulnerability poses a risk of unauthorized access to sensitive files, potentially leading to data breaches and privacy violations.

Technical Details of CVE-2017-9030

The following technical aspects are associated with CVE-2017-9030:

Vulnerability Description

The vulnerability in Codextrous B2J Contact allows attackers to bypass security measures and access files they should not be able to view.

Affected Systems and Versions

Product: Codextrous B2J Contact
Vendor: Codextrous
Versions Affected: All versions prior to 2.1.13

Exploitation Mechanism

Attackers exploit the directory traversal vulnerability to navigate through directories and access files outside the intended scope.

Mitigation and Prevention

To address CVE-2017-9030, consider the following mitigation strategies:

Immediate Steps to Take

Update the Codextrous B2J Contact extension to version 2.1.13 or newer.
Implement access controls to restrict file access.
Monitor file access logs for suspicious activities.

Long-Term Security Practices

Regularly update extensions and plugins to patch known vulnerabilities.
Conduct security assessments to identify and remediate potential weaknesses.

Patching and Updates

Stay informed about security updates for Joomla! extensions and apply patches promptly to prevent exploitation of known vulnerabilities.