CVE-2018-5918 : Security Advisory and Response

Snapdragon Automobile, Snapdragon Mobile, and Snapdragon Wear devices by Qualcomm are affected by a potential buffer overflow vulnerability in the DRM Trusted application.

Understanding CVE-2018-5918

This CVE involves a buffer overflow issue in Qualcomm's Snapdragon products due to the lack of check function return values.

What is CVE-2018-5918?

The vulnerability stems from a missing check function return values in various versions of Snapdragon Automobile, Snapdragon Mobile, and Snapdragon Wear, potentially leading to a buffer overflow in the DRM Trusted application.

The Impact of CVE-2018-5918

This vulnerability could be exploited by attackers to execute arbitrary code or cause a denial of service on affected devices, compromising their integrity and confidentiality.

Technical Details of CVE-2018-5918

Qualcomm's Snapdragon products are susceptible to a buffer overflow in the DRM Trusted application due to inadequate validation mechanisms.

Vulnerability Description

The absence of proper check function return values in multiple Snapdragon versions can trigger a buffer overflow in the DRM Trusted application, posing a security risk.

Affected Systems and Versions

Products: Snapdragon Automobile, Snapdragon Mobile, Snapdragon Wear
Versions: MDM9206, MDM9607, MDM9650, MSM8909W, MSM8996AU, SD 210/SD 212/SD 205, SD 410/12, SD 425, SD 430, SD 450, SD 615/16/SD 415, SD 625, SD 650/52, SD 800, SD 810, SD 820, SD 820A, SD 835, SD 845, SD 850, SDA660, SDA845, SDX24, SXR1130

Exploitation Mechanism

The vulnerability can be exploited by malicious actors to trigger a buffer overflow, potentially leading to unauthorized code execution or service disruption.

Mitigation and Prevention

Immediate action and long-term security practices are crucial to mitigate the risks associated with CVE-2018-5918.

Immediate Steps to Take

Apply security patches provided by Qualcomm promptly.
Monitor official sources for updates and advisories regarding this vulnerability.

Long-Term Security Practices

Implement secure coding practices to prevent buffer overflow vulnerabilities.
Regularly update and patch software to address known security issues.

Patching and Updates

Ensure all affected devices are updated with the latest firmware and security patches to mitigate the buffer overflow risk.