CVE-2018-5868 : Security Advisory and Response

A buffer overflow vulnerability in WideVine on Snapdragon automobiles and Snapdragon mobile devices due to lack of input size verification.

Understanding CVE-2018-5868

What is CVE-2018-5868?

Not verifying the size of the input can result in a buffer overflow vulnerability in WideVine on Snapdragon automobiles and Snapdragon mobile devices.

The Impact of CVE-2018-5868

This vulnerability affects a wide range of Snapdragon products, potentially leading to unauthorized access and system compromise.

Technical Details of CVE-2018-5868

Vulnerability Description

The vulnerability arises from a lack of input size validation, allowing attackers to trigger a buffer overflow in WideVine on affected Snapdragon devices.

Affected Systems and Versions

Products: Snapdragon Automobile, Snapdragon Mobile
Vendor: Qualcomm, Inc.
Versions: MSM8996AU, SD 425, SD 430, SD 450, SD 625, SD 712 / SD 710 / SD 670, SD 820, SD 820A, SD 835, SD 845 / SD 850, SDA660, SDX24, SXR1130

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious inputs to trigger buffer overflows, potentially leading to arbitrary code execution or system crashes.

Mitigation and Prevention

Immediate Steps to Take

Apply patches and updates provided by Qualcomm to address the vulnerability.
Monitor vendor communications for security advisories and follow recommended actions.

Long-Term Security Practices

Implement input validation mechanisms to prevent buffer overflow vulnerabilities.
Regularly update and patch systems to mitigate potential security risks.

Patching and Updates

Ensure all affected systems are updated with the latest security patches from Qualcomm to prevent exploitation of this vulnerability.