CVE-2018-11961 Explained : Impact and Mitigation

Android for MSM, Firefox OS for MSM, and QRD Android by Qualcomm, Inc. are affected by an out-of-bound vector index issue when updating certain GNSS configurations.

Understanding CVE-2018-11961

In CAF's Android releases, a vulnerability exists that could lead to an out-of-bound vector index problem during GNSS configuration updates.

What is CVE-2018-11961?

This CVE affects Android for MSM, Firefox OS for MSM, and QRD Android devices utilizing the Linux kernel, potentially allowing unauthorized access to memory locations.

The Impact of CVE-2018-11961

The vulnerability could be exploited to execute arbitrary code or cause a denial of service on affected devices, posing a security risk to user data and device functionality.

Technical Details of CVE-2018-11961

Vulnerability Description

The issue stems from a lack of proper bounds checking during GNSS configuration updates, enabling attackers to manipulate memory beyond the intended limits.

Affected Systems and Versions

All Android releases from CAF using the Linux kernel are vulnerable.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious GNSS configurations, triggering the out-of-bound vector index issue and potentially gaining unauthorized access.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by Qualcomm to address the vulnerability.
Monitor official sources for updates and advisories regarding CVE-2018-11961.

Long-Term Security Practices

Regularly update device firmware and software to mitigate potential security risks.
Implement proper input validation and bounds checking mechanisms in software development processes.

Patching and Updates

Ensure timely installation of security updates and patches released by Qualcomm to protect devices from known vulnerabilities.