CVE-2017-3948 : Security Advisory and Response

McAfee Data Loss Prevention Endpoint (DLPe) version 10.0.x is vulnerable to Cross Site Scripting (XSS) in IMG Tags, allowing authenticated users to inject malicious JavaScript.

Understanding CVE-2017-3948

This CVE involves a security vulnerability in McAfee's Data Loss Prevention Endpoint (DLPe) version 10.0.x that enables authenticated users to introduce arbitrary web script or HTML through the injection of malicious JavaScript, leading to Cross Site Scripting (XSS) in IMG Tags.

What is CVE-2017-3948?

CVE-2017-3948 is a Cross Site Scripting (XSS) vulnerability in the ePO extension of McAfee Data Loss Prevention Endpoint (DLP Endpoint) version 10.0.x. It allows authenticated users to inject malicious JavaScript during a browsing session.

The Impact of CVE-2017-3948

The vulnerability exposes systems to potential attacks through the injection of arbitrary web script or HTML, posing a risk of Cross Site Scripting (XSS) in IMG Tags.

Technical Details of CVE-2017-3948

McAfee Data Loss Prevention Endpoint (DLPe) version 10.0.x is susceptible to the following:

Vulnerability Description

Authenticated users can inject malicious JavaScript into browsing sessions.

Affected Systems and Versions

Product: Data Loss Prevention Endpoint (DLPe)
Vendor: McAfee
Version: 10.0.x

Exploitation Mechanism

Injection of malicious JavaScript by authenticated users in the ePO extension.

Mitigation and Prevention

It is crucial to take immediate steps and implement long-term security practices to mitigate the risks associated with CVE-2017-3948.

Immediate Steps to Take

Apply security patches provided by McAfee.
Monitor and restrict user permissions to prevent unauthorized injections.
Educate users on safe browsing practices.

Long-Term Security Practices

Regularly update and patch security software.
Conduct security audits and penetration testing.
Implement web application firewalls to filter and block malicious traffic.

Patching and Updates

Ensure all systems are updated with the latest security patches from McAfee to address the XSS vulnerability.