CVE-2021-30257 : Vulnerability Insights and Analysis

Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, and Snapdragon Industrial IOT devices manufactured by Qualcomm, Inc. are impacted by a critical vulnerability that could lead to possible out-of-bound read or write issues. This vulnerability arises due to the lack of validation of DSP selection values in these Qualcomm products.

Understanding CVE-2021-30257

What is CVE-2021-30257?

CVE-2021-30257 is a vulnerability affecting multiple Qualcomm products, potentially allowing attackers to perform out-of-bound read or write operations in VR services due to inadequate validation of DSP selection values.

The Impact of CVE-2021-30257

The impact of this vulnerability is significant, with a CVSSv3.1 base score of 8.4, indicating high confidentiality, integrity, and availability impact. The attack complexity is low, with no user interaction or privileges required.

Technical Details of CVE-2021-30257

Vulnerability Description

The vulnerability involves improper validation of DSP selection values in VR services provided by Snapdragon Compute, Connectivity, Consumer IOT, and Industrial IOT devices. This lack of validation can result in potential out-of-bound read or write actions.

Affected Systems and Versions

The affected products include a wide range of Qualcomm devices such as APQ8017, APQ8053, SD855, SD865 5G, SD888, and many more. The vulnerability impacts various versions of these products, as listed in the security bulletin.

Exploitation Mechanism

Attackers could exploit this vulnerability to read or write data outside the bounds of allocated memory, potentially leading to unauthorized access, data corruption, or system crashes.

Mitigation and Prevention

Immediate Steps to Take

To mitigate the risk associated with CVE-2021-30257, users are advised to apply security patches provided by Qualcomm. It is crucial to promptly update affected devices to prevent exploitation of this vulnerability.

Long-Term Security Practices

In the long term, organizations should adhere to secure coding practices, conduct regular security assessments, and stay informed about security bulletins released by product vendors to proactively address vulnerabilities.

Patching and Updates

Regularly check for security updates from Qualcomm and apply patches as soon as they are available to ensure that systems are protected against known vulnerabilities and potential exploits.