CVE-2018-0113 : Security Advisory and Response

Cisco UCS Central is affected by a vulnerability that allows an authenticated remote attacker to execute shell commands with the same privileges as the daemon user. The vulnerability stems from inadequate input validation, impacting versions prior to Release 2.0(1c).

Understanding CVE-2018-0113

This CVE involves a security flaw in Cisco UCS Central that enables attackers to run arbitrary shell commands by exploiting a script within the system.

What is CVE-2018-0113?

An authenticated remote attacker can execute shell commands with daemon user privileges.
The vulnerability arises from insufficient input validation in an operations script of Cisco UCS Central.
Attackers exploit this flaw by sending a carefully crafted request to the user interface of Cisco UCS Central.

The Impact of CVE-2018-0113

The vulnerability allows attackers to execute commands with elevated privileges, posing a significant security risk to affected systems.

Technical Details of CVE-2018-0113

Cisco UCS Central's vulnerability can have severe consequences if exploited.

Vulnerability Description

Authenticated remote attackers can execute shell commands with daemon user privileges.
The root cause is the lack of proper input validation in an operations script.

Affected Systems and Versions

Cisco UCS Central Software versions earlier than Release 2.0(1c) are vulnerable.

Exploitation Mechanism

Attackers need to send a carefully crafted request to the user interface of Cisco UCS Central to exploit the vulnerability.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are crucial to mitigate the risks associated with CVE-2018-0113.

Immediate Steps to Take

Apply security patches provided by Cisco promptly.
Monitor network traffic for any suspicious activity.
Restrict access to vulnerable systems.

Long-Term Security Practices

Regularly update and patch software to address security vulnerabilities.
Conduct security training for employees to enhance awareness of potential threats.

Patching and Updates

Cisco has released patches to address the vulnerability in affected versions of Cisco UCS Central.