CVE-2017-11163 : Security Advisory and Response

Cacti version 1.1.12 contains a cross-site scripting (XSS) vulnerability that allows authenticated users to inject arbitrary web script or HTML via the HTTP Referer headers.

Understanding CVE-2017-11163

This CVE involves a security vulnerability in Cacti version 1.1.12 that can be exploited by authenticated users to execute XSS attacks.

What is CVE-2017-11163?

The vulnerability in Cacti version 1.1.12 enables authenticated users to inject malicious web script or HTML by manipulating the HTTP Referer headers, specifically related to the $cancel_url variable.

The Impact of CVE-2017-11163

The XSS vulnerability in Cacti version 1.1.12 poses a risk as it allows attackers to execute arbitrary code within the context of the affected site, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2017-11163

This section provides detailed technical information about the vulnerability.

Vulnerability Description

Cacti version 1.1.12 is susceptible to cross-site scripting (XSS) attacks in the aggregate_graphs.php file, which can be exploited by authenticated remote users to inject malicious web script or HTML.

Affected Systems and Versions

Product: Cacti
Vendor: N/A
Version: 1.1.12

Exploitation Mechanism

The vulnerability arises from improper handling of user input in the HTTP Referer headers, allowing authenticated users to inject malicious code via the $cancel_url variable.

Mitigation and Prevention

Protecting systems from CVE-2017-11163 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Cacti to a patched version that addresses the XSS vulnerability.
Monitor and restrict user input to prevent malicious script injection.

Long-Term Security Practices

Implement secure coding practices to sanitize user input effectively.
Regularly audit and review code for vulnerabilities like XSS.

Patching and Updates

Apply security patches provided by Cacti to fix the XSS vulnerability in version 1.1.12.