CVE-2021-1930 : What You Need to Know

This article provides an in-depth analysis of CVE-2021-1930, a vulnerability in multiple Qualcomm products potentially leading to out-of-bounds read due to incorrect buffer length validation.

Understanding CVE-2021-1930

CVE-2021-1930 is a vulnerability identified in a range of Qualcomm products, including Snapdragon Auto, Compute, Connectivity, Consumer IOT, Industrial IOT, and Mobile.

What is CVE-2021-1930?

The vulnerability allows for a possible out-of-bounds read due to inadequate validation of the incoming buffer's length.

The Impact of CVE-2021-1930

The vulnerability's CVSS v3.1 base score is 5.5, with medium severity. It poses a high risk to confidentiality but has no impact on integrity and availability. The attack complexity is low, requiring low privileges and no user interaction.

Technical Details of CVE-2021-1930

The vulnerability arises from improper restrictions of operations within the bounds of a memory buffer in trusted applications.

Vulnerability Description

The flaw stems from incorrect validation of buffer length, leading to potential out-of-bounds read capabilities.

Affected Systems and Versions

Numerous Qualcomm products are affected, including various versions from Snapdragon Auto, Compute, Connectivity, and Mobile series.

Exploitation Mechanism

Attackers can exploit this vulnerability locally with low privileges and no user interaction, making it a serious concern.

Mitigation and Prevention

It's crucial to implement immediate steps to mitigate the risks posed by CVE-2021-1930.

Immediate Steps to Take

Organizations using the impacted Qualcomm products should apply relevant patches and updates as soon as they are available.

Long-Term Security Practices

Regularly monitor security bulletins and updates from Qualcomm to stay informed about potential vulnerabilities in their products.

Patching and Updates

Keep systems up to date with the latest firmware and software patches to address security vulnerabilities effectively.