CVE-2017-18051 Explained : Impact and Mitigation

Android for MSM, Firefox OS for MSM, QRD Android, and CAF Android releases are vulnerable to an out-of-bounds memory read due to inadequate input validation in wma_rcpi_event_handler().

Understanding CVE-2017-18051

This CVE involves a vulnerability in Android for MSM, Firefox OS for MSM, QRD Android, and CAF Android releases that can lead to an out-of-bounds memory read.

What is CVE-2017-18051?

The vulnerability arises from insufficient input validation of event->vdev_id received from the firmware in wma_rcpi_event_handler().

The Impact of CVE-2017-18051

The vulnerability affects various Android platforms, potentially allowing attackers to read out-of-bounds memory, which could lead to information disclosure or system compromise.

Technical Details of CVE-2017-18051

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability is caused by inadequate input validation for event->vdev_id in wma_rcpi_event_handler(), leading to a potential out-of-bounds memory read.

Affected Systems and Versions

Android for MSM
Firefox OS for MSM
QRD Android
All Android releases from CAF using the Linux kernel

Exploitation Mechanism

Attackers can exploit this vulnerability by sending specially crafted input to trigger the out-of-bounds memory read.

Mitigation and Prevention

Protecting systems from CVE-2017-18051 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply patches provided by the respective vendors promptly.
Monitor security bulletins for updates and advisories.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Conduct regular security assessments and audits.
Train employees on security best practices and awareness.
Employ intrusion detection and prevention systems.

Patching and Updates

Regularly update software and firmware to the latest versions.
Follow vendor recommendations for securing the affected systems.