CVE-2017-11195 : What You Need to Know

Pulse Connect Secure 8.3R1 has a Cross-Site Scripting (XSS) vulnerability known as Reflected XSS in the launchHelp.cgi module. This CVE was published on July 12, 2017.

Understanding CVE-2017-11195

An overview of the XSS vulnerability in Pulse Connect Secure 8.3R1.

What is CVE-2017-11195?

The vulnerability arises when the helpLaunchPage parameter's value is reflected in an IFRAME element and contains two quotation marks. Despite proper sanitization of quotes and HTML tags, an attacker can exploit the flaw using payloads like 'javascript:' or 'data:'.

The Impact of CVE-2017-11195

The vulnerability allows attackers to execute malicious scripts within the context of a user's session, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2017-11195

Insights into the technical aspects of the vulnerability.

Vulnerability Description

Details of the XSS vulnerability in Pulse Connect Secure 8.3R1's launchHelp.cgi module.

Affected Systems and Versions

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

Exploitation Mechanism

Attackers can abuse the vulnerability by injecting payloads like 'javascript:' or 'data:' into the helpLaunchPage parameter.

Mitigation and Prevention

Measures to address and prevent the exploitation of CVE-2017-11195.

Immediate Steps to Take

Implement input validation to sanitize user inputs effectively.
Regularly monitor and analyze web traffic for suspicious activities.

Long-Term Security Practices

Conduct regular security audits and penetration testing to identify vulnerabilities.
Educate developers and administrators on secure coding practices.

Patching and Updates

Apply security patches and updates provided by Pulse Secure to mitigate the XSS vulnerability.