CVE-2018-10059 : Exploit Details and Defense Strategies

Cacti versions prior to 1.1.37 have a Cross-Site Scripting (XSS) vulnerability due to improper handling of page names.

Understanding CVE-2018-10059

This CVE involves a security issue in Cacti versions before 1.1.37 that could allow for XSS attacks.

What is CVE-2018-10059?

CVE-2018-10059 is a Cross-Site Scripting vulnerability in Cacti versions earlier than 1.1.37. The vulnerability stems from the incorrect use of the $_SERVER['PHP_SELF'] variable instead of the more secure $_SERVER['SCRIPT_NAME'] variable in determining page names.

The Impact of CVE-2018-10059

This vulnerability could be exploited by attackers to execute malicious scripts in the context of a user's session, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2018-10059

Cacti's vulnerability details and how systems are affected.

Vulnerability Description

The issue lies in the get_current_page function in the lib/functions.php file, which incorrectly relies on $_SERVER['PHP_SELF'] instead of $_SERVER['SCRIPT_NAME'] for determining the page name.

Affected Systems and Versions

Product: Cacti
Vendor: N/A
Versions Affected: All versions before 1.1.37

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts through crafted page names, potentially leading to XSS attacks.

Mitigation and Prevention

Steps to mitigate the CVE-2018-10059 vulnerability.

Immediate Steps to Take

Upgrade Cacti to version 1.1.37 or later to address the XSS vulnerability.
Regularly monitor security advisories and patches from Cacti.

Long-Term Security Practices

Implement input validation and output encoding to prevent XSS attacks.
Conduct regular security assessments and audits to identify and address vulnerabilities.

Patching and Updates

Apply security patches promptly to ensure that known vulnerabilities are mitigated effectively.