CVE-2017-18317 : Vulnerability Insights and Analysis

CVE-2017-18317 was published on November 28, 2018, by Qualcomm, Inc. The vulnerability affects Snapdragon Automobile and Snapdragon Mobile versions MSM8996AU, SD 410/12, SD 820, and SD 820A. The issue allows circumvention of modem limitations by initiating a deactivation flow sequence.

Understanding CVE-2017-18317

This CVE entry highlights an improper input validation vulnerability in SafeSwitch, enabling unauthorized deactivation of modem restrictions in Qualcomm's Snapdragon products.

What is CVE-2017-18317?

The vulnerability allows attackers to bypass sim lock and sim kill features by manipulating the system to deactivate modem restrictions in specific Snapdragon Automobile and Snapdragon Mobile versions.

The Impact of CVE-2017-18317

The exploitation of this vulnerability could lead to unauthorized deactivation of modem restrictions, potentially compromising the security and functionality of affected devices.

Technical Details of CVE-2017-18317

Qualcomm's CVE-2017-18317 involves the following technical aspects:

Vulnerability Description

The vulnerability arises from improper input validation in SafeSwitch, allowing attackers to circumvent modem restrictions.

Affected Systems and Versions

Affected Products: Snapdragon Automobile, Snapdragon Mobile
Affected Versions: MSM8996AU, SD 410/12, SD 820, SD 820A

Exploitation Mechanism

Attackers can exploit the vulnerability by manipulating the system to trigger a deactivation flow sequence, bypassing sim lock and sim kill features.

Mitigation and Prevention

To address CVE-2017-18317, consider the following mitigation strategies:

Immediate Steps to Take

Apply security patches provided by Qualcomm promptly.
Monitor Qualcomm's security bulletins for updates and advisories.

Long-Term Security Practices

Implement secure coding practices to prevent input validation vulnerabilities.
Regularly update firmware and software to mitigate potential security risks.

Patching and Updates

Install firmware updates and security patches from Qualcomm to address the vulnerability and enhance device security.