CVE-2019-2307 : Vulnerability Insights and Analysis

A vulnerability in various Qualcomm Snapdragon modules could lead to an integer underflow issue, potentially impacting multiple products and versions.

Understanding CVE-2019-2307

What is CVE-2019-2307?

This CVE identifies a risk of integer underflow due to the lack of validation before calculating data length in 802.11 Rx management configuration in Qualcomm Snapdragon modules.

The Impact of CVE-2019-2307

The vulnerability affects a wide range of Qualcomm Snapdragon products, potentially allowing attackers to exploit the underflow issue.

Technical Details of CVE-2019-2307

Vulnerability Description

The vulnerability arises from the absence of proper validation mechanisms before data length calculation in 802.11 Rx management configuration.

Affected Systems and Versions

Vendor: Qualcomm, Inc.
Products: Snapdragon Auto, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music
Versions: MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MSM8996AU, QCA6174A, QCA6574AU, QCA9377, QCA9379, QCS405, QCS605, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 450, SD 600, SD 625, SD 636, SD 665, SD 675, SD 712 / SD 710 / SD 670, SD 730, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 855, SDM630, SDM660, SDX20, SDX24

Exploitation Mechanism

The vulnerability could be exploited by malicious actors to trigger an integer underflow, potentially leading to security breaches.

Mitigation and Prevention

Immediate Steps to Take

Implement proper validation mechanisms in the affected Qualcomm Snapdragon modules.
Regularly monitor for any unusual activities that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Conduct regular security assessments and audits to identify and address potential vulnerabilities.
Stay informed about security updates and patches released by Qualcomm.

Patching and Updates

Apply relevant security patches and updates provided by Qualcomm to mitigate the risk of integer underflow vulnerability.