CVE-2018-0433 : Security Advisory and Response

A security flaw in the Cisco SD-WAN Solution CLI allows a local attacker with authentication to inject commands with root privileges.

Understanding CVE-2018-0433

What is CVE-2018-0433?

The vulnerability in the Cisco SD-WAN Solution CLI permits authenticated local attackers to execute commands with root privileges due to inadequate input validation.

The Impact of CVE-2018-0433

The vulnerability enables attackers to inject commands with root privileges, potentially leading to unauthorized access and control of affected systems.

Technical Details of CVE-2018-0433

Vulnerability Description

The flaw in the Cisco SD-WAN Solution CLI allows authenticated local attackers to inject commands with root privileges, exploiting insufficient input validation.

Affected Systems and Versions

Product: Cisco SD-WAN Solution
Vendor: Cisco
Affected Version: n/a

Exploitation Mechanism

Attackers need authentication to the device
Crafted input to the CLI utility is submitted
Only authenticated users can access the CLI utility

Mitigation and Prevention

Immediate Steps to Take

Apply vendor-provided patches promptly
Monitor network traffic for any signs of exploitation
Restrict access to the CLI utility to authorized personnel

Long-Term Security Practices

Regular security training for staff on identifying and reporting suspicious activities
Implement strong password policies and multi-factor authentication

Patching and Updates

Regularly check for security advisories from Cisco
Implement patches and updates as soon as they are released