CVE-2017-18055 : What You Need to Know

Android-based operating systems such as Android for MSM, Firefox OS for MSM, QRD Android, and all Android releases from the Code Aurora Forum (CAF) are susceptible to a potential buffer overflow due to inadequate input validation.

Understanding CVE-2017-18055

A buffer overflow vulnerability impacting various Android-based operating systems.

What is CVE-2017-18055?

The vulnerability arises from insufficient input validation for the wmi_event->num_vdev_mac_entries parameter within the wma_pdev_set_hw_mode_resp_evt_handler() function.

The Impact of CVE-2017-18055

This vulnerability could be exploited to trigger a buffer overflow, potentially leading to arbitrary code execution or system crashes.

Technical Details of CVE-2017-18055

Details of the vulnerability and its implications.

Vulnerability Description

Improper input validation for wmi_event->num_vdev_mac_entries in wma_pdev_set_hw_mode_resp_evt_handler() function.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability allows attackers to craft malicious input to trigger a buffer overflow, compromising system integrity.

Mitigation and Prevention

Ways to address and prevent the CVE-2017-18055 vulnerability.

Immediate Steps to Take

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

Long-Term Security Practices

Conduct regular security assessments and penetration testing.
Keep systems up to date with the latest security patches.
Educate users on safe computing practices to prevent social engineering attacks.

Patching and Updates

Regularly check for security updates from Android and Qualcomm to address the vulnerability.