CVE-2017-18057 : Vulnerability Insights and Analysis

Android for MSM, Firefox OS for MSM, QRD Android, and CAF Android releases using the Linux kernel are vulnerable to an out-of-bounds memory read due to inadequate input validation.

Understanding CVE-2017-18057

This CVE involves a vulnerability in the function wma_nlo_scan_cmp_evt_handler() that can lead to a memory read beyond the allocated buffer.

What is CVE-2017-18057?

The vulnerability arises from improper input validation for the vdev id obtained from firmware, potentially allowing an out-of-bounds memory read.

The Impact of CVE-2017-18057

The vulnerability could be exploited by attackers to read sensitive information from the memory, leading to a potential security breach.

Technical Details of CVE-2017-18057

The technical details of this CVE include:

Vulnerability Description

Inadequate input validation for vdev id in wma_nlo_scan_cmp_evt_handler()

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 manipulate the vdev id obtained from firmware to trigger an out-of-bounds memory read.

Mitigation and Prevention

Steps to address CVE-2017-18057:

Immediate Steps to Take

Apply patches provided by the vendor
Monitor security bulletins for updates

Long-Term Security Practices

Implement secure coding practices
Conduct regular security audits

Patching and Updates

Regularly update firmware and software to mitigate known vulnerabilities.