CVE-2021-1967 : Vulnerability Insights and Analysis

This CVE-2021-1967 affects a wide range of Qualcomm products, such as Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, and more. The vulnerability could lead to a possible stack buffer overflow due to a lack of check on the maximum number of post NAN discovery attributes when processing a NAN Match event.

Understanding CVE-2021-1967

This section will discuss what the CVE-2021-1967 vulnerability is and its potential impact.

What is CVE-2021-1967?

The CVE-2021-1967 vulnerability involves a stack-based buffer overflow in WLAN, affecting various Qualcomm products.

The Impact of CVE-2021-1967

The impact of this vulnerability could result in a low attack complexity and vector, with a medium base severity and low confidentiality and integrity impacts.

Technical Details of CVE-2021-1967

In this section, we will delve into the technical aspects of the CVE-2021-1967 vulnerability, including its description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises from a lack of proper checks during the processing of NAN Match events, potentially causing a stack buffer overflow.

Affected Systems and Versions

Qualcomm products spanning Snapdragon Auto, Compute, Connectivity, Mobile, Voice & Music, and Wearables are impacted by this vulnerability across numerous versions.

Exploitation Mechanism

The vulnerability can be exploited by an attacker through the manipulation of discovery attributes, leading to a buffer overflow.

Mitigation and Prevention

This section provides insights on how to address and prevent the CVE-2021-1967 vulnerability from being exploited.

Immediate Steps to Take

Immediate actions include applying vendor-released patches and updates, enhancing network security configurations, and monitoring for any unusual activities.

Long-Term Security Practices

Implementing strong network segmentation, regular security audits, and employee training on security best practices are advisable for long-term security.

Patching and Updates

Ensure all affected systems are promptly patched with the latest security updates to mitigate the risk posed by CVE-2021-1967.