CVE-2017-18293 : Security Advisory and Response

In Snapdragon Mobile and Snapdragon Wear versions MDM9206, MDM9607, MDM9650, SD 210/SD 212/SD 205, SD 425, SD 430, SD 450, SD 625, SD 650/52, SD 835, and SDA660, improper access control on TLMM banked GPIO registers can lead to a vulnerability where protection can be bypassed.

Understanding CVE-2017-18293

This CVE involves improper access control on TLMM banked GPIO registers in Qualcomm's Snapdragon Mobile and Snapdragon Wear products.

What is CVE-2017-18293?

This CVE describes a scenario where if access to specific GPIO resource registers is blocked, the protection can still be bypassed by using corresponding banked GPIO registers instead.

The Impact of CVE-2017-18293

The vulnerability allows attackers to bypass protection mechanisms, potentially leading to unauthorized access and manipulation of GPIO resources.

Technical Details of CVE-2017-18293

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability arises from improper access control on TLMM banked GPIO registers, enabling the bypass of protection mechanisms.

Affected Systems and Versions

Products: Snapdragon Mobile, Snapdragon Wear
Versions: MDM9206, MDM9607, MDM9650, SD 210/SD 212/SD 205, SD 425, SD 430, SD 450, SD 625, SD 650/52, SD 835, SDA660

Exploitation Mechanism

Attackers can exploit this vulnerability by utilizing banked GPIO registers when access to corresponding GPIO resource registers is blocked.

Mitigation and Prevention

Protecting systems from CVE-2017-18293 requires specific actions to mitigate the risk.

Immediate Steps to Take

Apply patches and updates provided by Qualcomm promptly.
Monitor for any unauthorized access to GPIO resources.
Implement strict access controls and monitoring mechanisms.

Long-Term Security Practices

Regularly update and patch systems to address known vulnerabilities.
Conduct security assessments and audits to identify and address potential weaknesses.

Patching and Updates

Stay informed about security bulletins and updates from Qualcomm.
Ensure timely implementation of patches to secure systems against this vulnerability.