CVE-2017-11082 : Vulnerability Insights and Analysis

Android for MSM, Firefox OS for MSM, QRD Android, and all Android versions from CAF are susceptible to a buffer overflow vulnerability due to a race condition in a firmware loading routine.

Understanding CVE-2017-11082

A buffer overflow vulnerability in various Android versions may lead to a security risk when updating WLAN firmware files.

What is CVE-2017-11082?

This CVE pertains to a potential buffer overflow scenario in Android for MSM, Firefox OS for MSM, QRD Android, and all Android versions from CAF. The vulnerability arises from a race condition within a firmware loading routine when multiple user space threads attempt to update the WLAN firmware file through sysfs.

The Impact of CVE-2017-11082

The vulnerability could allow attackers to execute arbitrary code or cause a denial of service by triggering the buffer overflow.

Technical Details of CVE-2017-11082

Android systems utilizing the Linux kernel are affected by this buffer overflow vulnerability.

Vulnerability Description

A race condition in the firmware loading routine of affected Android versions can result in a buffer overflow if multiple user space threads concurrently update the WLAN firmware file through sysfs.

Affected Systems and Versions

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

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the WLAN firmware file through sysfs, triggering the buffer overflow.

Mitigation and Prevention

Immediate action is crucial to mitigate the risks posed by CVE-2017-11082.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Monitor for any unusual network activity that could indicate exploitation attempts.
Restrict access to critical system files and directories.

Long-Term Security Practices

Regularly update and patch all software components to prevent known vulnerabilities.
Implement network segmentation to limit the impact of potential attacks.
Conduct regular security audits and penetration testing to identify and address security weaknesses.

Patching and Updates

Stay informed about security bulletins and updates from Android and Qualcomm.
Ensure timely installation of patches to address the CVE-2017-11082 vulnerability.