CVE-2021-35072 : Vulnerability Insights and Analysis
Learn about CVE-2021-35072, a critical buffer overflow vulnerability in Snapdragon Auto, Consumer IOT, Industrial IOT, Mobile, Voice & Music, and Wearables, impacting confidentiality, integrity, and availability.
This article provides detailed information about CVE-2021-35072, a possible buffer overflow vulnerability in Qualcomm products.
Understanding CVE-2021-35072
CVE-2021-35072 is a vulnerability that may lead to a buffer overflow due to the improper validation of an array index while processing an external DIAG command in various Qualcomm products.
What is CVE-2021-35072?
The CVE-2021-35072 vulnerability exists in Snapdragon Auto, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, and Snapdragon Wearables, potentially allowing attackers to trigger a buffer overflow.
The Impact of CVE-2021-35072
With a CVSS base score of 7.8, this high-severity vulnerability could result in high impacts on confidentiality, integrity, and availability of the affected systems.
Technical Details of CVE-2021-35072
This section delves into the specific technical aspects of CVE-2021-35072.
Vulnerability Description
The vulnerability arises from the improper validation of an array index, which could be exploited by an attacker to trigger a buffer overflow.
Affected Systems and Versions
Qualcomm products including APQ8009, APQ8009W, APQ8017, and others are affected by this vulnerability. A comprehensive list of impacted versions is available at the vendor's advisory.
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating the array index during the processing of external DIAG commands.
Mitigation and Prevention
In this section, you will find guidance on how to mitigate the risks associated with CVE-2021-35072.
Immediate Steps to Take
It is recommended to apply patches and updates provided by Qualcomm to address this vulnerability. Additionally, monitor and restrict external access to affected systems.
Long-Term Security Practices
Implementing secure coding practices, conducting regular security assessments, and staying informed about vendor security advisories are crucial for long-term security.
Patching and Updates
Regularly applying security patches and updates from Qualcomm is essential to mitigate the risks posed by CVE-2021-35072.