CVE-2023-31998 : Security Advisory and Response

A heap overflow vulnerability found in EdgeRouters and Aircubes allows a malicious actor to interrupt UPnP service to said devices.

Understanding CVE-2023-31998

This CVE-2023-31998 involves a heap overflow vulnerability affecting EdgeRouters and Aircubes, potentially enabling an interruption of the UPnP service on these devices.

What is CVE-2023-31998?

CVE-2023-31998 is a heap overflow vulnerability that poses a threat to Ubiquiti EdgeRouters and Aircubes, offering attackers the ability to disrupt the UPnP service.

The Impact of CVE-2023-31998

This vulnerability can be exploited by malicious actors to disrupt the UPnP service on affected EdgeRouters and Aircubes, potentially causing service interruptions and security risks.

Technical Details of CVE-2023-31998

In this section, we will delve into the specifics of the CVE-2023-31998 vulnerability.

Vulnerability Description

The heap overflow vulnerability in EdgeRouters and Aircubes allows attackers to manipulate data in a way that could lead to an interruption of the UPnP service on these devices.

Affected Systems and Versions

Vendor: Ubiquiti
Affected Products:
EdgeRouter
Versions: 2.0.9-hotfix.6 (and prior)
Aircube
Versions: 2.8.8 (and prior)

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted data to the affected devices, triggering a heap overflow condition and disrupting the UPnP service.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks associated with CVE-2023-31998.

Immediate Steps to Take

Update affected EdgeRouters and Aircubes to non-vulnerable versions or apply patches provided by Ubiquiti.
Monitor network activity for any signs of exploitation or unauthorized access.

Long-Term Security Practices

Regularly update firmware and software on network devices to address known vulnerabilities.
Implement strong network security measures to prevent unauthorized access and data manipulation.

Patching and Updates

Keep track of security advisories from Ubiquiti and promptly apply any patches or updates to ensure the ongoing security of EdgeRouters and Aircubes.