CVE-2023-28365 : What You Need to Know

This CVE concerns a backup file vulnerability identified in UniFi applications, specifically affecting versions up to 7.3.83 on Linux operating systems. The issue allows application administrators to execute malicious commands on the host device while being restored.

Understanding CVE-2023-28365

This section dives into what CVE-2023-28365 is and its potential impact on affected systems.

What is CVE-2023-28365?

CVE-2023-28365 is a security vulnerability that exists in UniFi Network applications, specifically version 7.3.83 and earlier, when running on Linux systems. The flaw enables attackers with administrative privileges to run malicious commands during the restoration process.

The Impact of CVE-2023-28365

The impact of CVE-2023-28365 can be severe, as threat actors could exploit this vulnerability to execute arbitrary commands on the host device, potentially leading to unauthorized access, data manipulation, or further compromise of the system.

Technical Details of CVE-2023-28365

In this section, we delve into the technical aspects of CVE-2023-28365, including vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in UniFi Network applications allows application administrators to inject and execute malicious commands during the restoration of backup files. This could lead to unauthorized actions on the host device.

Affected Systems and Versions

The affected system is the UniFi Network application, with versions up to and including 7.3.83 on Linux operating systems. Systems running these versions are vulnerable to the exploit.

Exploitation Mechanism

Attackers can exploit this vulnerability by creating a malicious backup file containing arbitrary commands. When the application restores this file, the commands are executed on the host device, giving the attacker control over the system.

Mitigation and Prevention

This section outlines steps to mitigate the risks associated with CVE-2023-28365 and prevent potential exploitation.

Immediate Steps to Take

To mitigate the risk posed by this vulnerability, users are advised to update their UniFi Network applications to a secure version that addresses the issue. Additionally, tight access controls and monitoring can limit the impact of potential attacks.

Long-Term Security Practices

Implementing robust security measures such as regular security audits, security training for administrators, and establishing secure backup and restoration processes can enhance the overall security posture and resilience of the system.

Patching and Updates

Vendor-supplied patches or updates should be applied promptly to ensure that the vulnerability is remediated. Regularly checking for security advisories and promptly applying patches can help prevent exploitation of known vulnerabilities like CVE-2023-28365.