CVE-2018-11955 : What You Need to Know

A vulnerability in various Qualcomm chipsets could allow an attacker to access memory beyond allocated boundaries, potentially leading to out-of-bounds read scenarios.

Understanding CVE-2018-11955

This CVE identifies a specific issue in Qualcomm chipsets that could result in security vulnerabilities.

What is CVE-2018-11955?

The vulnerability arises due to a lack of validation for the length of the reason-code retrieved from the payload, enabling unauthorized memory access.

The Impact of CVE-2018-11955

The vulnerability affects a wide range of Qualcomm chipsets, including Snapdragon Auto, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IoT, Snapdragon Industrial IoT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, and Snapdragon Wearables.

Technical Details of CVE-2018-11955

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The absence of a validation process for the reason-code length could lead to out-of-bounds memory access in Qualcomm chipsets.

Affected Systems and Versions

Affected chipsets include MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MSM8909W, and more.

Exploitation Mechanism

The vulnerability could be exploited by manipulating the reason-code length in the payload to access unauthorized memory.

Mitigation and Prevention

Protective measures to address and prevent the CVE-2018-11955 vulnerability.

Immediate Steps to Take

Apply patches and updates provided by Qualcomm promptly.
Monitor security bulletins and updates from the vendor.

Long-Term Security Practices

Regularly update firmware and software to mitigate potential vulnerabilities.
Implement network segmentation and access controls to limit exposure.

Patching and Updates

Stay informed about security advisories and patches released by Qualcomm to address the vulnerability.