CVE-2019-1818 : Security Advisory and Response

Cisco Prime Infrastructure and Evolved Programmable Network Manager Path Traversal Vulnerability

Understanding CVE-2019-1818

This CVE involves a weakness in the web-based management interface of Cisco Prime Infrastructure and Cisco Evolved Programmable Network (EPN) Manager software, potentially allowing unauthorized access to restricted files.

What is CVE-2019-1818?

The vulnerability stems from inadequate cleansing of user-provided input in HTTP request parameters, enabling an attacker to access application files containing confidential data through directory traversal methods.

The Impact of CVE-2019-1818

The vulnerability has a CVSS base score of 6.5 (Medium severity) with high confidentiality impact. Successful exploitation could lead to unauthorized access to sensitive information within the application.

Technical Details of CVE-2019-1818

Vulnerability Description

Improper sanitization of user-supplied input in HTTP request parameters
Allows an attacker to view restricted files

Affected Systems and Versions

Product: Cisco Prime Infrastructure
Vendor: Cisco
Version: 3.4

Exploitation Mechanism

Attacker uses directory traversal techniques to specify file paths
Exploits inadequate input cleansing to access restricted files

Mitigation and Prevention

Immediate Steps to Take

Apply vendor-provided patches and updates promptly
Monitor network traffic for any suspicious activities
Restrict access to the management interface to authorized personnel only

Long-Term Security Practices

Regularly update and patch software to address vulnerabilities
Conduct security training for staff to recognize and report potential threats

Patching and Updates

Cisco has released patches to address this vulnerability
Regularly check for security advisories and updates from Cisco