CVE-2021-1942 : Vulnerability Insights and Analysis

This article provides details about CVE-2021-1942, a critical vulnerability affecting multiple Qualcomm Snapdragon products.

Understanding CVE-2021-1942

This section explores the nature of the vulnerability and its potential impact.

What is CVE-2021-1942?

CVE-2021-1942 is characterized by improper handling of permissions in shared memory regions, leading to potential memory corruption across various Qualcomm Snapdragon product lines.

The Impact of CVE-2021-1942

The vulnerability poses a critical threat with a CVSS base score of 9.3 and high severity in terms of confidentiality, integrity, and availability impact.

Technical Details of CVE-2021-1942

Here, we delve into the specific technical aspects of the CVE.

Vulnerability Description

Improper permissions handling in shared memory regions can result in memory corruption across Snapdragon Auto, Compute, Connectivity, Consumer IOT, Industrial IOT, Mobile, Voice & Music, Wearables, and Wired Infrastructure products.

Affected Systems and Versions

Various versions of the impacted products, including AQT1000, AR8031, AR8035, and many more, are susceptible to this vulnerability.

Exploitation Mechanism

The vulnerability's attack complexity is low, with a local attack vector and high privileges required.

Mitigation and Prevention

This section outlines steps to mitigate the risks posed by CVE-2021-1942.

Immediate Steps to Take

Immediate actions include applying patches and updates from Qualcomm to address the vulnerability.

Long-Term Security Practices

Implementing robust access controls, segregation of duties, and ongoing security assessments can enhance long-term security.

Patching and Updates

Regularly updating affected systems with the latest security patches from Qualcomm is crucial to prevent exploitation.