CVE-2018-0182 : Vulnerability Insights and Analysis

Cisco IOS XE Software vulnerabilities allow unauthorized command injection, leading to potential root access.

Understanding CVE-2018-0182

Multiple weaknesses in the CLI parser of Cisco IOS XE Software enable attackers to execute unauthorized commands with root privileges.

What is CVE-2018-0182?

The vulnerabilities in Cisco IOS XE Software's CLI parser permit authenticated local attackers to insert malicious commands, potentially gaining access to the underlying Linux shell with root privileges.

The Impact of CVE-2018-0182

Attackers can exploit these vulnerabilities to execute arbitrary commands on affected devices with elevated privileges.
Successful exploitation could lead to unauthorized access to the device's Linux shell, compromising its security.

Technical Details of CVE-2018-0182

The technical aspects of the CVE-2018-0182 vulnerability are as follows:

Vulnerability Description

Insufficient sanitization of command arguments in the CLI parser of Cisco IOS XE Software.
Attackers can inject unauthorized commands into the CLI, potentially gaining root access.

Affected Systems and Versions

Product: Cisco IOS XE
Version: Cisco IOS XE

Exploitation Mechanism

Attackers need to submit a malicious CLI command to exploit the vulnerabilities.
Successful exploitation allows bypassing the CLI and executing arbitrary commands with root privileges.

Mitigation and Prevention

Protect your systems from CVE-2018-0182 with the following measures:

Immediate Steps to Take

Apply vendor-supplied patches and updates promptly.
Monitor network traffic for signs of exploitation.
Restrict access to vulnerable systems.

Long-Term Security Practices

Regularly update and patch all software and firmware.
Implement strong authentication mechanisms and access controls.
Conduct regular security audits and assessments.

Patching and Updates

Cisco has released patches to address the vulnerabilities.
Ensure all affected systems are updated with the latest security fixes.