CVE-2020-13603 : Security Advisory and Response

Zephyr project RTOS has identified an Integer Overflow vulnerability in memory allocating functions.

Understanding CVE-2020-13603

This CVE involves an Integer Overflow vulnerability in Zephyr versions >= 1.14.2 and >= 2.4.0, leading to potential security risks.

What is CVE-2020-13603?

The CVE-2020-13603 is an Integer Overflow vulnerability in memory allocating functions within Zephyr versions >= 1.14.2 and >= 2.4.0. This vulnerability is classified under CWE-190.

The Impact of CVE-2020-13603

The vulnerability has a CVSS v3.1 base score of 6.9, with a medium severity rating. It can have a high impact on confidentiality, integrity, and availability of affected systems. The attack complexity is high, and user interaction is required for exploitation.

Technical Details of CVE-2020-13603

This section provides detailed technical information about the CVE-2020-13603 vulnerability.

Vulnerability Description

The vulnerability involves an Integer Overflow in memory allocating functions within Zephyr versions >= 1.14.2 and >= 2.4.0, leading to potential security risks.

Affected Systems and Versions

Product: Zephyr
Vendor: Zephyrproject-rtos
Affected Versions: 1.14.2, 2.4.0

Exploitation Mechanism

The vulnerability can be exploited through a physical attack vector with low privileges required and user interaction.

Mitigation and Prevention

To address and prevent the CVE-2020-13603 vulnerability, follow these mitigation steps:

Immediate Steps to Take

Update Zephyr to a patched version that addresses the Integer Overflow vulnerability.
Monitor security advisories from Zephyrproject-rtos for any further updates.

Long-Term Security Practices

Implement secure coding practices to prevent Integer Overflow vulnerabilities.
Regularly conduct security assessments and code reviews to identify and address potential vulnerabilities.

Patching and Updates

Apply patches and updates provided by Zephyrproject-rtos to mitigate the Integer Overflow vulnerability.