CVE-2023-40465 : What You Need to Know

A critical vulnerability has been identified in ALEOS software versions, posing a risk of Denial of Service attacks. Here is what you need to know about CVE-2023-40465.

Understanding CVE-2023-40465

CVE-2023-40465 is a vulnerability found in ALEOS software, particularly in versions 4.16.0 and lower. The exploit can lead to a Denial of Service (DoS) condition for the captive portal, impacting system availability.

What is CVE-2023-40465?

Several versions of ALEOS, including ALEOS 4.16.0, contain an open-source third-party component that is vulnerable to exploitation via the local area network. This vulnerability can be exploited to trigger a Denial of Service attack on the captive portal.

The Impact of CVE-2023-40465

The vulnerability identified as CVE-2023-40465 has a high severity level, with a CVSS base score of 8.3. Exploitation of this vulnerability can lead to a significant impact on system confidentiality, integrity, and availability. The attack involves Input Data Manipulation, posing a risk of Remote Code Execution.

Technical Details of CVE-2023-40465

The vulnerability in ALEOS software stems from improper input handling, allowing attackers to manipulate data and execute arbitrary code. Here are some technical details:

Vulnerability Description

The vulnerability allows for input data manipulation and can be exploited remotely to trigger a denial of service condition on the captive portal.

Affected Systems and Versions

ALEOS versions 4.16.0 and lower, including version 4.10 and 0, are confirmed to be affected by this vulnerability.

Exploitation Mechanism

The exploit can be triggered using the adjacent network vector, without the need for any special privileges or user interaction.

Mitigation and Prevention

To safeguard your systems from CVE-2023-40465, consider the following mitigation strategies:

Immediate Steps to Take

Implement vendor-supplied patches and updates promptly.
Monitor network traffic and system logs for any suspicious activity related to the captive portal.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and remediate vulnerabilities.
Educate system administrators and users about potential threats and best security practices.

Patching and Updates

Stay informed about security advisories from Sierra Wireless and apply patches and updates as soon as they are available to eliminate the vulnerability.