CVE-2023-22753 : Security Advisory and Response

This CVE record was published on February 28, 2023, by HPE for the vulnerability identified as CVE-2023-22753. The vulnerability involves unauthenticated buffer overflow vulnerabilities in ArubaOS processes, which could potentially lead to remote code execution.

Understanding CVE-2023-22753

This section will provide an overview of the CVE-2023-22753 vulnerability affecting Aruba Mobility Conductor, Aruba Mobility Controllers, WLAN Gateways, and SD-WAN Gateways managed by Aruba Central.

What is CVE-2023-22753?

The CVE-2023-22753 vulnerability involves buffer overflow vulnerabilities in multiple underlying operating system processes within affected HPE products. Attackers can exploit these vulnerabilities by sending specially crafted packets via the PAPI protocol. This could result in unauthenticated remote code execution, allowing the attacker to execute arbitrary code as a privileged user on the underlying operating system.

The Impact of CVE-2023-22753

The impact of CVE-2023-22753 is significant, with a CVSSv3 base score of 8.1, categorizing it as a high-severity vulnerability. The attack complexity is high, and successful exploitation can lead to severe consequences, including high confidentiality, integrity, and availability impact.

Technical Details of CVE-2023-22753

This section will delve into the technical aspects of the CVE-2023-22753 vulnerability, including the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability involves buffer overflow issues in various ArubaOS processes, enabling unauthenticated remote code execution by sending crafted packets via the PAPI protocol.

Affected Systems and Versions

Aruba Mobility Conductor: ArubaOS 8.10.x.x (8.10.0.4 and below)
Aruba Mobility Controllers: ArubaOS 10.3.x.x (10.3.1.0 and below)
SD-WAN Gateways managed by Aruba Central: SD-WAN 8.7.0.0-2.3.0.x (8.7.0.0-2.3.0.8 and below)

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted packets via the PAPI protocol, triggering buffer overflow in underlying operating system processes.

Mitigation and Prevention

This section will discuss the steps to mitigate and prevent exploitation of CVE-2023-22753 to enhance system security.

Immediate Steps to Take

Apply patches or updates provided by Hewlett Packard Enterprise to address the vulnerability.
Implement network segmentation to minimize the impact of potential attacks.
Monitor network traffic for any suspicious activities that could indicate exploitation attempts.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Keep systems and software up to date to ensure they are not exposed to known security risks.
Educate users and IT staff on best security practices to prevent successful attacks.

Patching and Updates

Stay informed about security advisories and patches released by HPE for the affected products.
Promptly apply recommended patches and updates to protect systems from potential exploits associated with CVE-2023-22753.