CVE-2021-1907 : Vulnerability Insights and Analysis

A possible buffer overflow vulnerability has been identified in multiple Snapdragon products by Qualcomm, which could allow a remote attacker to execute arbitrary code.

Understanding CVE-2021-1907

This CVE refers to a specific vulnerability that affects various Qualcomm Snapdragon products, potentially leading to a serious security threat.

What is CVE-2021-1907?

The vulnerability involves a lack of length check in a specific BA request, which could result in a buffer overflow. This can be exploited by an attacker to trigger arbitrary code execution on the affected system.

The Impact of CVE-2021-1907

The impact of this vulnerability is rated as high, with a CVSS base score of 7.5. It poses a significant risk to the confidentiality, integrity, and availability of the affected systems.

Technical Details of CVE-2021-1907

This section outlines the technical details of the CVE, including the vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability is caused by a lack of proper length checks in a BA request, leading to a buffer overflow situation, paving the way for potential exploitation by threat actors.

Affected Systems and Versions

The vulnerability affects a wide range of Snapdragon products including Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, and Snapdragon Mobile. Several versions of these products are impacted as listed in the vendor's bulletin.

Exploitation Mechanism

By exploiting the lack of length check in a BA request, attackers can manipulate the buffer overflow, potentially executing arbitrary code on the target system.

Mitigation and Prevention

In light of the CVE-2021-1907 vulnerability, it is crucial to take immediate steps to mitigate the risks and enhance the security of the affected systems.

Immediate Steps to Take

Organizations should apply the patches provided by Qualcomm to address the vulnerability promptly.
Network security measures should be employed to detect and block any exploit attempts targeting the vulnerability.

Long-Term Security Practices

Regularly monitor security bulletins and updates from Qualcomm to stay informed about potential vulnerabilities and patches.
Implement secure coding practices and conduct regular security assessments to identify and address any vulnerabilities proactively.

Patching and Updates

Ensure timely installation of security updates and patches released by Qualcomm for the affected Snapdragon products to safeguard against potential exploits.