CVE-2017-11687 : Vulnerability Insights and Analysis

Remote attackers can exploit multiple persistent cross-site scripting (XSS) vulnerabilities present in the Event log parsing and Display functions of Zoho ManageEngine Event Log Analyzer versions 11.4 and 11.5. This allows them to inject arbitrary web script or HTML into the syslog.

Understanding CVE-2017-11687

This CVE involves multiple persistent cross-site scripting (XSS) vulnerabilities in Zoho ManageEngine Event Log Analyzer versions 11.4 and 11.5.

What is CVE-2017-11687?

CVE-2017-11687 refers to the exploitation of XSS vulnerabilities in Zoho ManageEngine Event Log Analyzer, enabling remote attackers to insert malicious web scripts or HTML code into the syslog.

The Impact of CVE-2017-11687

The exploitation of these vulnerabilities can lead to unauthorized script execution, potentially compromising the integrity and confidentiality of the affected systems.

Technical Details of CVE-2017-11687

This section provides detailed technical insights into the CVE.

Vulnerability Description

The vulnerabilities allow remote attackers to perform persistent XSS attacks through the Event log parsing and Display functions in Zoho ManageEngine Event Log Analyzer versions 11.4 and 11.5.

Affected Systems and Versions

Zoho ManageEngine Event Log Analyzer versions 11.4 and 11.5

Exploitation Mechanism

Remote attackers can inject arbitrary web script or HTML into the syslog, exploiting the XSS vulnerabilities.

Mitigation and Prevention

Protecting systems from CVE-2017-11687 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Zoho ManageEngine Event Log Analyzer to a patched version that addresses the XSS vulnerabilities.
Implement web application firewalls to filter and block malicious input.

Long-Term Security Practices

Regularly monitor and audit syslog data for any suspicious or unauthorized entries.
Educate users on safe browsing habits and the risks of executing scripts from untrusted sources.

Patching and Updates

Stay informed about security updates and patches released by Zoho ManageEngine and apply them promptly to mitigate the risk of XSS attacks.