CVE-2017-0913 : Security Advisory and Response

Ubiquiti UCRM versions 2.3.0 to 2.7.7 have a security vulnerability that allows a logged-in user to access any file on the local system. This exploit requires valid credentials with specific permissions.

Understanding CVE-2017-0913

Versions 2.3.0 to 2.7.7 of Ubiquiti UCRM have a security vulnerability that allows a logged-in user to view any file on the local system. The local file system is typically isolated within a docker container.

What is CVE-2017-0913?

This CVE refers to a vulnerability in Ubiquiti UCRM versions 2.3.0 to 2.7.7 that permits an authenticated user to read arbitrary files in the local file system.

The Impact of CVE-2017-0913

An authenticated user can access any file on the local system, potentially leading to unauthorized information disclosure.

Technical Details of CVE-2017-0913

Versions affected: 2.3.0 to 2.7.7

Vulnerability Description

Authenticated users can read arbitrary files in the local file system.

Affected Systems and Versions

Ubiquiti UCRM versions 2.3.0 to 2.7.7

Exploitation Mechanism

Requires valid credentials for an account with "Edit" permissions for "System Customization".

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.

Immediate Steps to Take

Upgrade to the latest version of Ubiquiti UCRM to mitigate the vulnerability.
Ensure that user accounts have the minimum required permissions to reduce the risk of unauthorized access.

Long-Term Security Practices

Regularly review and update user permissions to align with the principle of least privilege.
Conduct security training for users to enhance awareness of potential risks and best practices.

Patching and Updates

Stay informed about security updates and patches released by Ubiquiti Networks to address vulnerabilities like CVE-2017-0913.