CVE-2021-30267 : Vulnerability Insights and Analysis
Learn about CVE-2021-30267, a high-severity vulnerability in Qualcomm Snapdragon products, potentially leading to buffer overflow. Take immediate steps to secure affected devices.
This article provides an overview of CVE-2021-30267, a vulnerability found in Qualcomm products, impacting a wide range of Snapdragon devices.
Understanding CVE-2021-30267
CVE-2021-30267 is a possible integer overflow to buffer overflow vulnerability due to improper input validation in FTM ARA commands across various Snapdragon product lines.
What is CVE-2021-30267?
The vulnerability arises from a lack of proper input validation in FTM ARA commands within Snapdragon Auto, Compute, Connectivity, Consumer IOT, Industrial IOT, and Mobile devices, potentially leading to a buffer overflow situation.
The Impact of CVE-2021-30267
With a CVSS base score of 7.8, this high-severity vulnerability could result in a local attack vector with high impacts on confidentiality, integrity, and availability, highlighting the critical nature of this issue.
Technical Details of CVE-2021-30267
CVE-2021-30267 is categorized as an Integer Overflow to Buffer Overflow vulnerability within the modem components of affected Qualcomm products.
Vulnerability Description
The flaw stems from inadequate input validation in FTM ARA commands, which could allow threat actors to trigger a buffer overflow, potentially leading to arbitrary code execution or denial of service.
Affected Systems and Versions
The vulnerability affects a broad range of Qualcomm Snapdragon devices, including but not limited to AQT1000, SD865 5G, SDX55, SM6250, and many others listed in the Qualcomm security bulletin.
Exploitation Mechanism
Exploitation of this vulnerability can occur by sending crafted FTM ARA commands to the device, triggering the integer overflow that could result in a subsequent buffer overflow, giving attackers the ability to execute malicious code.
Mitigation and Prevention
To address CVE-2021-30267, immediate actions and long-term security practices must be implemented.
Immediate Steps to Take
Immediately update all affected Qualcomm devices with the latest security patches provided by Qualcomm to mitigate the risk of exploitation.
Long-Term Security Practices
Enforce strict input validation mechanisms in software development processes and conduct regular security assessments to identify and remediate potential vulnerabilities.
Patching and Updates
Regularly monitor Qualcomm security bulletins and apply firmware updates and security patches promptly to ensure your devices are protected from known vulnerabilities.