CVE-2017-7389 : Exploit Details and Defense Strategies

In the 'openeclass Release_3.5.4' version, multiple instances of Cross-Site Scripting (XSS) vulnerabilities were identified, allowing attackers to execute arbitrary HTML and script code within the compromised website's context.

Understanding CVE-2017-7389

This CVE involves Cross-Site Scripting (XSS) vulnerabilities in 'openeclass Release_3.5.4'.

What is CVE-2017-7389?

CVE-2017-7389 refers to multiple Cross-Site Scripting (XSS) vulnerabilities found in 'openeclass Release_3.5.4'. These vulnerabilities stem from inadequate filtration of user-supplied data passed to a specific URL, enabling attackers to run malicious code on the affected website.

The Impact of CVE-2017-7389

The vulnerabilities in CVE-2017-7389 could allow a malicious actor to execute arbitrary HTML and script code within the context of the compromised website. This could lead to various security risks, including data theft, unauthorized access, and potential website defacement.

Technical Details of CVE-2017-7389

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerabilities in 'openeclass Release_3.5.4' arise from the lack of proper filtering of user-provided data, specifically 'meeting_id' and 'user', passed to the 'openeclass-master/modules/tc/webconf/webconf.php' URL.

Affected Systems and Versions

Affected Product: Not applicable
Affected Vendor: Not applicable
Affected Version: Not applicable

Exploitation Mechanism

The exploitation of these vulnerabilities involves injecting malicious HTML and script code through the 'meeting_id' and 'user' parameters, which are not adequately filtered, allowing attackers to execute code within the website's context.

Mitigation and Prevention

Protecting systems from CVE-2017-7389 requires immediate actions and long-term security measures.

Immediate Steps to Take

Implement input validation and proper data filtering mechanisms to prevent XSS attacks.
Regularly monitor and audit web applications for any suspicious activities.

Long-Term Security Practices

Conduct regular security training for developers to raise awareness about secure coding practices.
Keep software and systems up to date with the latest security patches and updates.

Patching and Updates

Ensure that the 'openeclass Release_3.5.4' version is patched with the necessary security updates to address the XSS vulnerabilities.