CVE-2021-1964 : Exploit Details and Defense Strategies

A possible buffer over-read vulnerability has been identified in various Qualcomm Snapdragon products due to improper validation of IE size while parsing beacons from peer devices.

Understanding CVE-2021-1964

This CVE affects a wide range of Qualcomm Snapdragon products and poses a high severity threat.

What is CVE-2021-1964?

The vulnerability stems from improper validation of IE size when parsing beacons from peer devices in multiple Qualcomm Snapdragon products.

The Impact of CVE-2021-1964

With a CVSS base score of 7.5 and high availability impact, this vulnerability could potentially lead to buffer over-read, posing a significant risk to affected devices.

Technical Details of CVE-2021-1964

This section delves into the specifics of the vulnerability.

Vulnerability Description

The flaw allows for a possible buffer over-read due to inadequate validation of IE size during beacon parsing, affecting a wide array of Snapdragon products.

Affected Systems and Versions

Various Snapdragon Auto, Compute, Connectivity, Consumer IOT, Industrial IOT, Mobile, Wired Infrastructure, and Networking products are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this flaw by sending crafted beacons to vulnerable devices, potentially leading to buffer over-read situations.

Mitigation and Prevention

Here's what you can do to protect your systems from CVE-2021-1964.

Immediate Steps to Take

Ensure you stay up to date with security bulletins and patches released by Qualcomm to address this vulnerability promptly.

Long-Term Security Practices

Implement network segmentation and access controls to mitigate the risk of exploitation from external threats.

Patching and Updates

Regularly update your Qualcomm Snapdragon products with the latest patches and firmware releases to safeguard against potential security risks.