CVE-2023-48697 : Vulnerability Insights and Analysis

Azure RTOS USBX Remote Code Execution Vulnerability

Understanding CVE-2023-48697

Azure RTOS USBX is a USB host, device, and on-the-go (OTG) embedded stack integrated with Azure RTOS ThreadX. This CVE highlights a remote code execution vulnerability due to memory buffer and pointer vulnerabilities in Azure RTOS USBX, affecting versions prior to 6.3.0.

What is CVE-2023-48697?

CVE-2023-48697 is a vulnerability in Azure RTOS USBX that allows an attacker to execute remote code by exploiting memory buffer and pointer issues. The affected components include functions/processes in pictbridge and host class, related to PIMA, storage, CDC ACM, ECM, audio, and hub in RTOS v6.2.1 and below.

The Impact of CVE-2023-48697

This vulnerability has a CVSS base score of 6.4, with a MEDIUM severity level. It poses a significant risk to confidentiality, integrity, and availability, making it crucial for users to take immediate action to secure their systems.

Technical Details of CVE-2023-48697

Vulnerability Description

CVE-2023-48697 is categorized under multiple Common Weakness Enumerations (CWE), including NULL Pointer Dereference (CWE-476), Expired Pointer Dereference (CWE-825), and Out-of-bounds Write (CWE-787). These weaknesses can lead to unauthorized remote code execution.

Affected Systems and Versions

Azure RTOS USBX versions prior to 6.3.0 are affected by this vulnerability. Users utilizing RTOS v6.2.1 and below are at risk of exploitation and should take immediate steps to mitigate the threat.

Exploitation Mechanism

The vulnerability can be exploited remotely by an attacker, leveraging the memory buffer and pointer flaws in Azure RTOS USBX. Successful exploitation can result in unauthorized access and code execution on the targeted system.

Mitigation and Prevention

Immediate Steps to Take

To mitigate CVE-2023-48697, users are strongly advised to update their Azure RTOS USBX to version 6.3.0 or higher. By applying the necessary patches and fixes included in this release, users can prevent potential attacks exploiting this vulnerability.

Long-Term Security Practices

In addition to immediate updates, organizations should implement robust security measures, such as regular system audits, threat monitoring, and intrusion detection systems, to enhance the overall security posture and prevent similar vulnerabilities in the future.

Patching and Updates

Regularly monitoring for security updates and patch releases from Azure RTOS is essential. Organizations should establish a proactive approach to applying patches promptly to address newly discovered vulnerabilities and ensure the protection of their systems.