CVE-2021-1923 : Security Advisory and Response
Discover the details of CVE-2021-1923 impacting Qualcomm's Snapdragon series. Learn about the vulnerability, its impact, affected systems, and mitigation steps.
This CVE (Common Vulnerabilities and Exposures) identifier is associated with an issue in Qualcomm's Snapdragon series, specifically affecting Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, and Snapdragon Industrial IOT.
Understanding CVE-2021-1923
This section delves into the details surrounding CVE-2021-1923 concerning an incorrect pointer argument passed to a trusted application (TA) in Qualcomm's Snapdragon product line.
What is CVE-2021-1923?
The vulnerability stems from the incorrect pointer argument passed to a trusted application TA, potentially leading to unintended memory operations in the affected Snapdragon devices.
The Impact of CVE-2021-1923
With a CVSS v3.1 base score of 7.8, this vulnerability poses a high risk with severe impacts on confidentiality, integrity, and availability. The attack complexity is low, and the attack vector is local, indicating that exploitation may not require user interaction.
Technical Details of CVE-2021-1923
This section explores the technical aspects of CVE-2021-1923.
Vulnerability Description
The vulnerability involves an incorrect pointer argument, creating a risk of un-intended memory operations in Snapdragon Auto, Compute, Connectivity, and Industrial IOT devices.
Affected Systems and Versions
Numerous Qualcomm Snapdragon devices are impacted, including a wide range of versions such as AQT1000, QCA6390, QCA6420, SD 675, SD 8C, SDX55, and many more.
Exploitation Mechanism
The vulnerability can be exploited by passing a malicious pointer argument to a trusted application, potentially causing memory-related issues.
Mitigation and Prevention
Protecting your systems from CVE-2021-1923 is crucial to maintaining security and integrity.
Immediate Steps to Take
Immediately apply any available patches or updates provided by Qualcomm to address this vulnerability. Ensure that all affected devices are promptly secured.
Long-Term Security Practices
Implement strong security practices, including regular system updates, network monitoring, and proper access control measures to mitigate risks.
Patching and Updates
Stay informed about security bulletins and updates from Qualcomm to address vulnerabilities promptly and maintain a secure environment.