CVE-2018-0341 Explained : Impact and Mitigation

Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware prior to 11.2(1) are vulnerable to a command injection attack through the web-based user interface.

Understanding CVE-2018-0341

This CVE identifies a security vulnerability in Cisco IP Phone models that could allow an authenticated attacker to execute arbitrary commands.

What is CVE-2018-0341?

A weakness in the web-based user interface of Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware before version 11.2(1) allows an attacker to inject commands into a specific user input field, leading to command execution with the web server's privileges.

The Impact of CVE-2018-0341

The vulnerability stems from inadequate input validation, enabling attackers to exploit the system by injecting malicious commands.

Technical Details of CVE-2018-0341

This section delves into the specifics of the vulnerability.

Vulnerability Description

The vulnerability in Cisco IP Phone models allows authenticated remote attackers to execute commands with the web server's privileges by injecting commands into a specific user input field.

Affected Systems and Versions

Product: Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware
Versions: Prior to 11.2(1)

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting arbitrary shell commands into a designated user input field.

Mitigation and Prevention

Protecting systems from CVE-2018-0341 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply the latest security patches provided by Cisco.
Restrict access to the web-based user interface of the affected devices.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update firmware and software to mitigate known vulnerabilities.
Conduct security training for users to recognize and report suspicious activities.

Patching and Updates

Cisco has released patches to address this vulnerability. Ensure all affected devices are updated to the latest firmware version.