CVE-2021-30289 : Exploit Details and Defense Strategies
Learn about CVE-2021-30289, a buffer overflow vulnerability in Qualcomm Snapdragon products. Find out about the impact, affected systems, and mitigation steps.
This article provides detailed information about CVE-2021-30289, a vulnerability impacting multiple Qualcomm Snapdragon products.
Understanding CVE-2021-30289
This section explains the nature and impact of the CVE-2021-30289 vulnerability.
What is CVE-2021-30289?
The CVE-2021-30289 vulnerability is a possible buffer overflow due to a lack of range check while processing a DIAG command for COEX management. It affects various Qualcomm Snapdragon products, including Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, and Snapdragon Wearables.
The Impact of CVE-2021-30289
The vulnerability has a CVSS base score of 7.8, indicating a high severity level with significant impacts on confidentiality, integrity, and availability.
Technical Details of CVE-2021-30289
This section delves into the technical aspects of the CVE-2021-30289 vulnerability.
Vulnerability Description
The vulnerability arises from a lack of range check, potentially leading to a buffer overflow during the processing of a DIAG command for COEX management.
Affected Systems and Versions
Multiple Qualcomm Snapdragon products are affected, including APQ8009W, APQ8017, MDM8207, SD855, and many more listed in the vendor's bulletin.
Exploitation Mechanism
The CVE-2021-30289 vulnerability can be exploited locally with low privileges required, posing a significant risk to affected devices.
Mitigation and Prevention
This section outlines steps to mitigate and prevent exploitation of the CVE-2021-30289 vulnerability.
Immediate Steps to Take
Users are advised to apply security patches provided by Qualcomm and follow best security practices to reduce the risk of exploitation.
Long-Term Security Practices
Implementing stringent security measures, such as network segmentation and access control, can enhance the overall security posture against potential threats.
Patching and Updates
Regularly update the affected Qualcomm Snapdragon products with the latest firmware and security patches to address the CVE-2021-30289 vulnerability.