CVE-2021-30346 Explained : Impact and Mitigation
Discover the impact of CVE-2021-30346, affecting Qualcomm Snapdragon products. Learn mitigation steps and patches to secure systems from unauthorized access.
A vulnerability has been identified in multiple Qualcomm products that could allow an attacker to access secure resources due to improper SMMU configuration. This CVE affects Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables, Snapdragon Wired Infrastructure, and Networking.
Understanding CVE-2021-30346
This section provides insights into the nature of the vulnerability and its potential impact.
What is CVE-2021-30346?
The vulnerability in Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables, Snapdragon Wired Infrastructure, and Networking enables RPM secure Stream to access secure resources because of an improper SMMU configuration.
The Impact of CVE-2021-30346
With a CVSS base score of 6.5, this medium-severity vulnerability has a high impact on confidentiality, potentially allowing unauthorized access to sensitive information.
Technical Details of CVE-2021-30346
Here, we delve into the specifics of the vulnerability, including affected systems, versions, and exploitation mechanisms.
Vulnerability Description
The issue stems from a configuration problem in the kernel, allowing RPM secure Stream unauthorized access to secure resources.
Affected Systems and Versions
Qualcomm's Snapdragon Industrial IOT, Mobile, Wearables, and Wired Infrastructure products are impacted. Versions include AR8035, QCA9984, QCM2290, and more.
Exploitation Mechanism
The vulnerability can be exploited locally with low privileges, without the need for user interaction, changing the scope of the system.
Mitigation and Prevention
To safeguard systems from CVE-2021-30346, immediate steps and long-term security practices should be implemented along with regular patching.
Immediate Steps to Take
Promptly apply security updates provided by Qualcomm to mitigate the risk of unauthorized access to secure resources.
Long-Term Security Practices
Implement network segmentation, access controls, and regular security audits to enhance overall system security and prevent similar vulnerabilities.
Patching and Updates
Stay informed about security bulletins from Qualcomm and ensure timely installation of patches to address known vulnerabilities.