CVE-2021-30322 : Vulnerability Insights and Analysis
Learn about CVE-2021-30322 affecting Qualcomm Snapdragon Auto, Compute, Connectivity, and more. Discover the impact, technical details, and mitigation steps.
This article discusses the details of CVE-2021-30322, a vulnerability affecting multiple Qualcomm products across different versions.
Understanding CVE-2021-30322
This section delves into the nature of the CVE and its impact.
What is CVE-2021-30322?
The CVE-2021-30322 vulnerability involves a possible out-of-bounds write due to inadequate validation of the number of GPIOs configured in an internal parameters array. It affects a range of Qualcomm products, including Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, and Snapdragon Mobile.
The Impact of CVE-2021-30322
With a CVSS base score of 7.8, this vulnerability is classified as high severity. It poses a risk of high confidentiality, integrity, and availability impact, and requires low privileges for exploitation. The attack complexity is low and does not involve user interaction.
Technical Details of CVE-2021-30322
This section outlines the technical aspects of the CVE.
Vulnerability Description
The vulnerability manifests as a stack-based buffer overflow in the modem of the affected Qualcomm products.
Affected Systems and Versions
The vulnerability affects a wide range of Qualcomm products and versions, including AQT1000, AR8035, MDM9250, SD845, SD855, SD865 5G, and many more.
Exploitation Mechanism
The vulnerability can be exploited locally, with low privileges required. It allows attackers to potentially write data beyond the bounds of an array, leading to a compromise of system integrity.
Mitigation and Prevention
This section provides guidance on mitigating the risks posed by CVE-2021-30322.
Immediate Steps to Take
For immediate protection, users of the affected Qualcomm products should apply patches and updates provided by Qualcomm.
Long-Term Security Practices
In the long term, organizations should maintain up-to-date security protocols, conduct regular vulnerability assessments, and stay informed about security bulletins from vendors.
Patching and Updates
Installing the latest patches and firmware updates from Qualcomm is crucial to address the vulnerability and enhance system security.