CVE-2021-1934 : Exploit Details and Defense Strategies
Get insights into CVE-2021-1934 affecting Qualcomm Snapdragon products. Learn about memory corruption risks and mitigation steps for enhanced security.
This CVE-2021-1934 affects Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT by Qualcomm, Inc. It involves possible memory corruption due to improper check during unloading.
Understanding CVE-2021-1934
This vulnerability impacts a range of Qualcomm products and can lead to memory corruption due to a specific check during application unloading.
What is CVE-2021-1934?
The CVE-2021-1934 vulnerability occurs when the application loader object is explicitly destructed while the application is unloading. This can result in memory corruption within the affected Qualcomm products.
The Impact of CVE-2021-1934
With a CVSS base score of 8.4, this vulnerability has a high impact on confidentiality, integrity, and availability. The attack complexity is low, with no privileges required for exploitation.
Technical Details of CVE-2021-1934
This section delves into the specifics of the vulnerability.
Vulnerability Description
The vulnerability arises from a double-free issue in Digital Rights Management, leading to memory corruption during application unloading.
Affected Systems and Versions
Numerous products from Qualcomm, Inc. are impacted, including Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, and more, spanning various versions listed in the original data.
Exploitation Mechanism
The vulnerability can be exploited locally without user interaction. Attackers can trigger memory corruption by explicitly destructing the application loader object.
Mitigation and Prevention
To address CVE-2021-1934 and enhance overall security, certain steps and practices are recommended.
Immediate Steps to Take
System administrators and users are advised to apply available patches and updates promptly to mitigate the risk of exploitation.
Long-Term Security Practices
Implementing robust security measures, such as regular security reviews, code audits, and secure coding practices, can help prevent similar vulnerabilities in the future.
Patching and Updates
Regularly check for security bulletins and updates from Qualcomm, Inc. to stay informed about patches addressing CVE-2021-1934.