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CVE-2021-1898 : Security Advisory and Response

Discover the impact of CVE-2021-1898, a buffer over-read vulnerability affecting Snapdragon Consumer IOT, Snapdragon Mobile, and more Qualcomm products. Learn how to mitigate this issue.

This CVE-2021-1898 article provides insights into a possible buffer over-read vulnerability found in multiple Qualcomm Snapdragon products.

Understanding CVE-2021-1898

This section delves into the details of the CVE-2021-1898 vulnerability affecting various Qualcomm Snapdragon devices.

What is CVE-2021-1898?

The CVE-2021-1898 vulnerability is identified as a possible buffer over-read due to an incorrect overflow check when loading splash images in Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, and Snapdragon Wearables.

The Impact of CVE-2021-1898

With a CVSS base score of 4.6, this vulnerability has a medium severity impact. It can lead to a buffer over-read in boot, potentially causing a high availability impact.

Technical Details of CVE-2021-1898

This section outlines the technical specifics of the CVE-2021-1898 vulnerability.

Vulnerability Description

The vulnerability arises from an incorrect overflow check during splash image loading, leading to a buffer over-read scenario.

Affected Systems and Versions

Qualcomm Snapdragon products including APQ8009, APQ8053, SD855, SDX55, and more are impacted by this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited physically with low attack complexity and no user interaction necessary.

Mitigation and Prevention

In this section, we discuss the mitigation measures and preventive steps for CVE-2021-1898.

Immediate Steps to Take

Users are advised to apply relevant patches and updates provided by Qualcomm to address this vulnerability promptly.

Long-Term Security Practices

Implementing robust security protocols, monitoring system activities, and restricting unnecessary privileges can enhance long-term security.

Patching and Updates

Regularly check for security bulletins and patches released by Qualcomm to stay protected from potential vulnerabilities.

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