CVE-2018-5403 : Security Advisory and Response

A security vulnerability in Imperva SecureSphere gateway (GW) version 13 could allow remote code execution (RCE) if an attacker has knowledge of basic authentication passwords.

Understanding CVE-2018-5403

This CVE involves a critical vulnerability in Imperva SecureSphere GW version 13 that could be exploited for remote code execution.

What is CVE-2018-5403?

The vulnerability in Imperva SecureSphere GW version 13 allows attackers with basic authentication passwords to execute remote code through specially crafted requests.

The Impact of CVE-2018-5403

The vulnerability exposes systems running Imperva SecureSphere GW version 13 to the risk of remote code execution, regardless of the login status.

Technical Details of CVE-2018-5403

This section provides technical details about the vulnerability.

Vulnerability Description

If an attacker has access to basic authentication passwords, they can exploit the vulnerability in Imperva SecureSphere GW version 13 for remote code execution.

Affected Systems and Versions

Product: SecureSphere
Vendor: Imperva
Vulnerable Version: 13.0

Exploitation Mechanism

The vulnerability can be exploited through carefully crafted requests via the web access management interface.

Mitigation and Prevention

Protecting systems from CVE-2018-5403 requires immediate actions and long-term security practices.

Immediate Steps to Take

Change all default passwords and ensure strong, unique passwords are in place.
Implement network segmentation to limit access to critical systems.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update and patch Imperva SecureSphere GW to the latest version.
Conduct security training for employees on best practices to prevent unauthorized access.

Patching and Updates

Apply patches provided by Imperva promptly to address the vulnerability and enhance system security.