CVE-2018-0115 : What You Need to Know

A vulnerability in the CLI of the Cisco StarOS operating system for Cisco ASR 5000 Series routers allows an authenticated attacker to execute commands with root privileges. The issue arises from inadequate verification of user input.

Understanding CVE-2018-0115

The vulnerability in Cisco StarOS could be exploited by an authenticated attacker physically present on the system.

What is CVE-2018-0115?

The CLI vulnerability in Cisco StarOS enables an attacker with legitimate administrator credentials to execute commands with root privileges by injecting harmful command arguments.

The Impact of CVE-2018-0115

An authenticated attacker can execute commands with root privileges on the affected host OS.
Successful exploitation requires injecting malicious command arguments into a susceptible CLI command.

Technical Details of CVE-2018-0115

The technical aspects of the vulnerability in Cisco StarOS.

Vulnerability Description

Insufficient validation of user-supplied input in the CLI.
Attacker can inject harmful command arguments to execute commands with root privileges.

Affected Systems and Versions

Product: Cisco StarOS
Version: Cisco StarOS

Exploitation Mechanism

Attacker must be physically present and authenticated with legitimate administrator credentials.
Inject malicious command arguments into a vulnerable CLI command.

Mitigation and Prevention

Steps to address and prevent the CVE-2018-0115 vulnerability.

Immediate Steps to Take

Apply vendor-provided patches and updates promptly.
Monitor network traffic for signs of exploitation.

Long-Term Security Practices

Implement the principle of least privilege for user access.
Conduct regular security training for administrators.

Patching and Updates

Regularly check for security advisories from Cisco.
Apply patches and updates as soon as they are available.