CVE-2017-11727 : Vulnerability Insights and Analysis

ConnectWise Manage version 2017.5 is vulnerable to a cross-site scripting (XSS) attack through the Contact.rails file, allowing the execution of arbitrary client-side JavaScript code.

Understanding CVE-2017-11727

This CVE involves a security vulnerability in ConnectWise Manage version 2017.5 that enables the execution of malicious client-side scripts.

What is CVE-2017-11727?

The Contact.rails file in ConnectWise Manage version 2017.5 contains a flaw that permits the execution of arbitrary client-side JavaScript code when users interact with a specially crafted link, leading to a cross-site scripting (XSS) attack.

The Impact of CVE-2017-11727

This vulnerability can be exploited by attackers to execute malicious scripts on the victim's browser, potentially compromising sensitive information or performing unauthorized actions on behalf of the user.

Technical Details of CVE-2017-11727

ConnectWise Manage version 2017.5 is susceptible to the following:

Vulnerability Description

The vulnerability in services/system_io/actionprocessor/Contact.rails allows the execution of arbitrary client-side JavaScript code involving a ContactCommon field when users click on a manipulated link.

Affected Systems and Versions

Product: ConnectWise Manage
Version: 2017.5

Exploitation Mechanism

The vulnerability can be exploited by enticing victims to click on a specially crafted link, triggering the execution of malicious client-side scripts.

Mitigation and Prevention

To address CVE-2017-11727, consider the following steps:

Immediate Steps to Take

Implement web application firewalls to filter and block malicious traffic.
Regularly educate users on identifying and avoiding suspicious links.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and remediate vulnerabilities.
Keep software and systems up to date with the latest security patches.

Patching and Updates

Ensure that ConnectWise Manage is updated to a patched version that addresses the XSS vulnerability.