CVE-2023-22787 : Vulnerability Insights and Analysis

This CVE-2023-22787 was published by HPE on May 8, 2023. It is an unauthenticated Denial of Service (DoS) vulnerability affecting Aruba Access Points running InstantOS and ArubaOS 10.

Understanding CVE-2023-22787

This vulnerability poses a risk to the normal operation of the affected access points by allowing an attacker to interrupt their services without authentication.

What is CVE-2023-22787?

The CVE-2023-22787 vulnerability is an unauthenticated Denial of Service (DoS) flaw present in the service accessed via the PAPI protocol provided by Aruba InstantOS and ArubaOS 10. By exploiting this vulnerability, an attacker can disrupt the normal functioning of the affected access point.

The Impact of CVE-2023-22787

With a CVSS base score of 7.5 (High Severity), this vulnerability has a significant impact on the availability of the affected systems. Attackers can launch attacks without the need for any special privileges, potentially leading to service interruption and disruption.

Technical Details of CVE-2023-22787

This section provides more insights into the vulnerability, including its description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability lies in the service accessed via the PAPI protocol in Aruba InstantOS and ArubaOS 10, allowing unauthenticated attackers to launch DoS attacks and disrupt the normal operation of the access points.

Affected Systems and Versions

The following versions of Aruba InstantOS and ArubaOS 10 are known to be affected:

Aruba InstantOS 6.4.x: 6.4.4.8-4.2.4.20 and below
Aruba InstantOS 6.5.x: 6.5.4.23 and below
Aruba InstantOS 8.6.x: 8.6.0.19 and below
Aruba InstantOS 8.10.x: 8.10.0.4 and below
ArubaOS 10.3.x: 10.3.1.0 and below

Exploitation Mechanism

The vulnerability can be exploited remotely via the network without requiring any user interaction. Attackers can leverage this flaw to disrupt the normal operation of the affected access points.

Mitigation and Prevention

To safeguard your systems and mitigate the risks posed by CVE-2023-22787, consider the following steps:

Immediate Steps to Take

Monitor security advisories and updates from Aruba Networks and HPE.
Implement network segmentation to limit the impact of potential attacks.
Consider updating to the latest unaffected versions of Aruba InstantOS and ArubaOS 10.

Long-Term Security Practices

Regularly conduct security assessments and penetration testing to identify vulnerabilities.
Educate users and IT staff on best practices for cybersecurity and threat awareness.
Establish incident response plans to effectively mitigate and respond to security incidents.

Patching and Updates

Stay informed about patches and updates released by Aruba Networks and HPE to address the CVE-2023-22787 vulnerability. Timely application of patches can help secure your systems and prevent potential exploitation.