CVE-2023-28461 Explained : Impact and Mitigation

This CVE record pertains to a security vulnerability identified as CVE-2023-28461, which affects Array Networks Array AG Series and vxAG (9.4.0.481 and earlier). The vulnerability allows for remote code execution, enabling an attacker to browse the filesystem on the SSL VPN gateway without authentication by utilizing a flags attribute in an HTTP header. The product could be exploited through a vulnerable URL. As per the vendor advisory dated March 9, 2023, a new Array AG release with the fix is expected to be available soon.

Understanding CVE-2023-28461

In this section, we will delve into the details regarding CVE-2023-28461 to provide a comprehensive understanding of the vulnerability.

What is CVE-2023-28461?

CVE-2023-28461 is a security vulnerability found in Array Networks Array AG Series and vxAG (9.4.0.481 and earlier) that permits remote code execution without requiring authentication. This can be exploited by leveraging a specific attribute in an HTTP header to access the filesystem on the SSL VPN gateway.

The Impact of CVE-2023-28461

The impact of CVE-2023-28461 is significant as it allows malicious actors to execute arbitrary code remotely on affected systems, potentially leading to unauthorized access, data breaches, and further exploitation of the vulnerable infrastructure.

Technical Details of CVE-2023-28461

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

Vulnerability Description

The vulnerability in Array Networks Array AG Series and vxAG (9.4.0.481 and earlier) enables remote code execution through unauthorized browsing of the SSL VPN gateway's filesystem using a specific HTTP header attribute.

Affected Systems and Versions

The CVE-2023-28461 impacts Array Networks Array AG Series and vxAG versions 9.4.0.481 and earlier. Any system running these versions is susceptible to the identified security flaw.

Exploitation Mechanism

By leveraging a flags attribute in an HTTP header, threat actors can exploit CVE-2023-28461 to circumvent authentication and remotely execute code on the vulnerable system, potentially compromising its integrity and confidentiality.

Mitigation and Prevention

In this segment, we outline essential steps to mitigate the risks associated with CVE-2023-28461 and prevent potential exploitation of the identified vulnerability.

Immediate Steps to Take

To address CVE-2023-28461 immediately, organizations using Array Networks Array AG Series and vxAG should apply security best practices, restrict access to vulnerable systems, and monitor network traffic for any suspicious activity.

Long-Term Security Practices

Implementing robust security measures such as regular security assessments, network segmentation, user access control, and timely security updates can enhance the overall resilience of the IT infrastructure against potential threats.

Patching and Updates

Stay informed about the release of the new Array AG version containing the fix for CVE-2023-28461. It is crucial to promptly apply patches and updates from the vendor to remediate the vulnerability and ensure the security of the affected systems.