CVE-2017-11321 Explained : Impact and Mitigation

This CVE-2017-11321 article provides insights into a vulnerability in the UCOPIA Wireless Appliance version before 5.1.8 that allows remote authenticated users to gain 'admin' privileges.

Understanding CVE-2017-11321

This section delves into the details of the vulnerability and its impact.

What is CVE-2017-11321?

The UCOPIA Wireless Appliance version before 5.1.8 has a restricted shell interface that can be exploited by remote authenticated users to attain 'admin' privileges. This is achievable by utilizing shell metacharacters within the less command.

The Impact of CVE-2017-11321

The vulnerability allows unauthorized users to elevate their privileges to 'admin,' potentially leading to unauthorized access and control over the affected system.

Technical Details of CVE-2017-11321

This section provides technical specifics of the CVE.

Vulnerability Description

The restricted shell interface in UCOPIA Wireless Appliance before 5.1.8 enables remote authenticated users to gain 'admin' privileges by exploiting shell metacharacters in the less command.

Affected Systems and Versions

Affected Product: UCOPIA Wireless Appliance
Vulnerable Version: Before 5.1.8

Exploitation Mechanism

The vulnerability can be exploited by remote authenticated users through the use of shell metacharacters within the less command.

Mitigation and Prevention

Learn how to mitigate and prevent the exploitation of CVE-2017-11321.

Immediate Steps to Take

Update the UCOPIA Wireless Appliance to version 5.1.8 or later to eliminate the vulnerability.
Monitor and restrict access to the system to prevent unauthorized users from exploiting the vulnerability.

Long-Term Security Practices

Regularly review and update access control policies to limit the exposure of critical system functionalities.
Conduct security training for users to raise awareness about safe practices and potential threats.

Patching and Updates

Stay informed about security updates and patches released by UCOPIA for the Wireless Appliance.
Implement a robust patch management process to promptly apply necessary updates and fixes.