CVE-2019-1819 : Exploit Details and Defense Strategies

Cisco Prime Infrastructure and Evolved Programmable Network Manager Path Traversal Vulnerability

Understanding CVE-2019-1819

A security flaw in the web-based management interface of Cisco Prime Infrastructure and Cisco Evolved Programmable Network (EPN) Manager software allows authenticated attackers to access restricted files within the application.

What is CVE-2019-1819?

The vulnerability stems from inadequate validation of user input in HTTP request parameters, enabling attackers to download and view sensitive files by exploiting directory traversal methods.

The Impact of CVE-2019-1819

If successfully exploited, attackers can access application files containing confidential information, posing a high risk to confidentiality.

Technical Details of CVE-2019-1819

The technical aspects of the vulnerability are as follows:

Vulnerability Description

Improper validation of user input in HTTP request parameters
Allows authenticated attackers to download and view restricted files

Affected Systems and Versions

Product: Cisco Prime Infrastructure
Vendor: Cisco
Version: 3.4

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: Low
User Interaction: None
Confidentiality Impact: High
Integrity Impact: None
Availability Impact: None
Vector String: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Base Score: 6.5 (Medium Severity)

Mitigation and Prevention

Steps to address and prevent the CVE-2019-1819 vulnerability:

Immediate Steps to Take

Apply vendor-provided patches and updates
Monitor network traffic for any suspicious activity
Restrict access to the affected systems

Long-Term Security Practices

Regularly update and patch software and applications
Conduct security assessments and audits periodically
Educate users on secure practices and awareness

Patching and Updates

Refer to the vendor's security advisory for patch availability and installation instructions