CVE-2021-35117 : Vulnerability Insights and Analysis

This article provides an in-depth analysis of CVE-2021-35117, a vulnerability that affects Qualcomm's Snapdragon Auto, Compute, Connectivity, Consumer IOT, Industrial IOT, Mobile, and Voice & Music products.

Understanding CVE-2021-35117

CVE-2021-35117 is a high severity vulnerability that can lead to an Out of Bounds read when processing IBSS beacons in various Qualcomm Snapdragon products.

What is CVE-2021-35117?

The vulnerability presents an opportunity for an Out of Bounds read during the processing of IBSS beacons in Qualcomm's Snapdragon product line, potentially exposing sensitive data.

The Impact of CVE-2021-35117

With a CVSS base score of 8.2, the severity of this vulnerability is rated as HIGH, posing a significant risk to confidentiality.

Technical Details of CVE-2021-35117

CVE-2021-35117 is classified as a Buffer Over-read in WLAN Host, affecting a wide range of Snapdragon products and versions.

Vulnerability Description

The vulnerability allows for unauthorized access to sensitive information through an Out of Bounds read while handling IBSS beacons.

Affected Systems and Versions

Numerous Qualcomm Snapdragon products across different versions are impacted, including APQ8096AU, SD855, SD865 5G, SD888, and more.

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating IBSS beacons to trigger an Out of Bounds read, potentially leading to data breaches.

Mitigation and Prevention

Taking immediate actions and implementing long-term security practices is crucial to mitigate the risks associated with CVE-2021-35117.

Immediate Steps to Take

Users are advised to apply security patches and updates provided by Qualcomm to address CVE-2021-35117 and enhance system security.

Long-Term Security Practices

Implementing defense-in-depth strategies, network segmentation, and regular security audits can help prevent similar vulnerabilities in the future.

Patching and Updates

Regularly check for security bulletins and updates from Qualcomm to ensure that systems are up-to-date and protected against known vulnerabilities.