CVE-2023-22771 Explained : Impact and Mitigation

This CVE-2023-22771 article provides insights into an insufficient session expiration vulnerability in the ArubaOS command line interface. It outlines the impact, technical details, affected systems, and mitigation strategies related to this security issue.

Understanding CVE-2023-22771

CVE-2023-22771 pertains to an insufficient session expiration vulnerability found in the ArubaOS command line interface. The vulnerability enables attackers to maintain a session on a compromised device even after the relevant account is removed.

What is CVE-2023-22771?

The vulnerability in ArubaOS command line interface allows threat actors to keep a session active on a targeted device post removal of the affected account. Successful exploitation of this weakness could lead to unauthorized access and misuse of the compromised system.

The Impact of CVE-2023-22771

With a CVSS base score of 6.8, this medium-severity vulnerability poses a significant threat to affected systems. It has a low attack complexity and requires high privileges for exploitation. The confidentiality, integrity, and availability of the impacted device are all at substantial risk, potentially leading to unauthorized access and data compromise.

Technical Details of CVE-2023-22771

The vulnerability identified in ArubaOS involves insufficient session expiration, allowing attackers to maintain access post-account removal. Here are some technical details concerning this security issue:

Vulnerability Description

The insufficient session expiration flaw in ArubaOS command line interface lets attackers retain a session on affected devices, leading to unauthorized access and potential misuse of resources.

Affected Systems and Versions

The vulnerability impacts various products managed by Aruba Central, including Aruba Mobility Conductor, Mobility Controllers, WLAN Gateways, and SD-WAN Gateways. Specific affected versions include ArubaOS 8.6.x.x, 8.10.x.x, 10.3.x.x, and SD-WAN 8.7.0.0-2.3.0.x.

Exploitation Mechanism

Successful exploitation of this vulnerability requires network access and high privileges. By keeping a session running post-account removal, attackers can maintain unauthorized access and potentially compromise the device.

Mitigation and Prevention

To address CVE-2023-22771 and enhance security posture, the following measures can be taken:

Immediate Steps to Take

Monitor and restrict access to vulnerable devices.
Implement strict session management controls.
Regularly review and revoke unauthorized sessions.

Long-Term Security Practices

Conduct regular security audits and vulnerability assessments.
Stay updated on security advisories and patches from the vendor.
Educate users on best practices for secure session management.

Patching and Updates

Hewlett Packard Enterprise (HPE) may release security patches to address the insufficient session expiration vulnerability in ArubaOS. It is essential to apply patches promptly and keep systems updated to prevent exploitation and ensure ongoing protection.