CVE-2017-6734 : Exploit Details and Defense Strategies

Cisco Identity Services Engine (ISE) Software is affected by a cross-site scripting (XSS) vulnerability that allows authenticated remote attackers to execute XSS attacks via the web interface, particularly targeting the Guest Portal.

Understanding CVE-2017-6734

This CVE involves a security flaw in the web-based management interface of Cisco Identity Services Engine (ISE) Software, enabling remote authenticated attackers to conduct XSS attacks.

What is CVE-2017-6734?

The vulnerability in Cisco ISE Software allows for a cross-site scripting (XSS) attack on users through the web interface, focusing on the Guest Portal.
Affected versions include 1.3(0.909) and 2.1(0.800) of the software.

The Impact of CVE-2017-6734

Remote attackers with authentication can exploit this vulnerability to execute XSS attacks on users accessing the affected device's web interface.

Technical Details of CVE-2017-6734

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability in Cisco ISE Software's web-based management interface allows for XSS attacks, particularly targeting the Guest Portal.

Affected Systems and Versions

Cisco Identity Services Engine (ISE) Software versions 1.3(0.909) and 2.1(0.800) are confirmed to be impacted by this vulnerability.

Exploitation Mechanism

Remote attackers need to be authenticated to exploit this vulnerability and execute XSS attacks via the web interface, specifically focusing on the Guest Portal.

Mitigation and Prevention

To address and prevent the exploitation of CVE-2017-6734, follow these guidelines:

Immediate Steps to Take

Update to the latest patched version of Cisco ISE Software to mitigate the XSS vulnerability.
Monitor network traffic for any signs of malicious XSS activities.

Long-Term Security Practices

Regularly review and update security policies to include protection against XSS attacks.
Conduct security training for users to recognize and report suspicious activities.

Patching and Updates

Apply security patches provided by Cisco for the affected versions of Cisco ISE Software to eliminate the XSS vulnerability.