CVE-2021-38258 : Security Advisory and Response

NXP MCUXpresso SDK v2.7.0 was discovered to contain a buffer overflow vulnerability in the function USB_HostProcessCallback.

Understanding CVE-2021-38258

This CVE involves a vulnerability in NXP MCUXpresso SDK v2.7.0 that could be exploited through a buffer overflow.

What is CVE-2021-38258?

This CVE refers to a specific vulnerability found in the function USB_HostProcessCallback within the NXP MCUXpresso SDK v2.7.0.

The Impact of CVE-2021-38258

The presence of this vulnerability could potentially allow attackers to execute arbitrary code or cause a denial of service on systems using the affected SDK.

Technical Details of CVE-2021-38258

This section provides more in-depth technical insights into the vulnerability.

Vulnerability Description

The issue lies in a buffer overflow present in the USB_HostProcessCallback function of the NXP MCUXpresso SDK v2.7.0.

Affected Systems and Versions

Affected Product: N/A
Affected Version: NXP MCUXpresso SDK v2.7.0

Exploitation Mechanism

The vulnerability can be exploited through specially crafted inputs that trigger the buffer overflow, potentially leading to code execution or system crashes.

Mitigation and Prevention

To address and prevent the exploitation of CVE-2021-38258, consider the following:

Immediate Steps to Take

Immediately update to a patched version of NXP MCUXpresso SDK.
Implement proper input validation mechanisms to prevent buffer overflows.

Long-Term Security Practices

Regularly apply security updates and patches to all software components.
Conduct periodic security assessments to identify and remediate vulnerabilities in a timely manner.

Patching and Updates

Ensure that the NXP MCUXpresso SDK is continuously updated with the latest patches from the official vendor to mitigate the risk associated with this vulnerability.