CVE-2018-0338 : Security Advisory and Response

Cisco Unified Computing System (UCS) Software has a vulnerability in its role-based access-checking mechanisms that could allow an authorized attacker to execute arbitrary commands on affected systems.

Understanding CVE-2018-0338

What is CVE-2018-0338?

The vulnerability in Cisco UCS Software enables a local attacker to input specially crafted commands in the Command Line Interface (CLI) to execute arbitrary commands on the affected system.

The Impact of CVE-2018-0338

The exploitation of this vulnerability could lead to unauthorized execution of commands by attackers on affected systems, potentially compromising system integrity and security.

Technical Details of CVE-2018-0338

Vulnerability Description

Lack of proper input and validation checks in Cisco UCS Software's role-based access-checking mechanisms
Allows an authenticated, local attacker to execute arbitrary commands

Affected Systems and Versions

Product: Cisco Unified Computing System unknown
Version: Cisco Unified Computing System unknown

Exploitation Mechanism

Attacker needs to input crafted commands in the CLI of an affected system
Successful exploitation allows the attacker to make other users execute unwanted commands

Mitigation and Prevention

Immediate Steps to Take

Apply the necessary patches provided by Cisco to address the vulnerability
Monitor systems for any unauthorized access or unusual activities

Long-Term Security Practices

Implement strong access controls and user permissions to limit potential attack surfaces
Regularly update and patch software to prevent known vulnerabilities

Patching and Updates

Cisco has released patches to fix the vulnerability in Cisco UCS Software
Ensure timely application of patches to secure systems