CVE-2021-30261 Explained : Impact and Mitigation
Learn about CVE-2021-30261 affecting Qualcomm Snapdragon Auto, Consumer IOT, Industrial IOT, Mobile, and more. Find out the impact, technical details, and mitigation steps to secure your devices.
This article discusses CVE-2021-30261, a vulnerability affecting various Qualcomm Snapdragon products leading to possible integer and heap overflow due to validation issues in handling beacon template update commands.
Understanding CVE-2021-30261
This section delves into the details of the CVE-2021-30261 vulnerability.
What is CVE-2021-30261?
The CVE-2021-30261 vulnerability is caused by a lack of input command size validation when processing beacon template update commands in multiple Qualcomm Snapdragon products, potentially resulting in integer and heap overflow.
The Impact of CVE-2021-30261
With a CVSS base score of 8.4, this vulnerability has a high severity rating and could lead to significant impact on confidentiality, integrity, and availability of the affected systems.
Technical Details of CVE-2021-30261
This section provides more in-depth technical information about CVE-2021-30261.
Vulnerability Description
The vulnerability stems from a lack of validation for input command sizes in handling beacon template updates, leaving systems vulnerable to integer and heap overflow attacks.
Affected Systems and Versions
Qualcomm Snapdragon products including Snapdragon Auto, Consumer IOT, Industrial IOT, IoT, Mobile, Voice & Music, Wearables among others are impacted by this vulnerability across multiple versions.
Exploitation Mechanism
Attackers can exploit this vulnerability by sending specially crafted beacon template update commands, triggering the overflow conditions and potentially executing arbitrary code on affected devices.
Mitigation and Prevention
This section outlines steps to mitigate and prevent exploitation of the CVE-2021-30261 vulnerability.
Immediate Steps to Take
It is recommended to apply security patches provided by Qualcomm to address this vulnerability immediately.
Long-Term Security Practices
Implementing secure coding practices and regularly updating the firmware and software on affected devices can help mitigate similar vulnerabilities in the long run.
Patching and Updates
Regularly check for security bulletins and updates from Qualcomm to stay informed about the latest patches and measures to protect your devices.