CVE-2017-11085 : What You Need to Know

An integer overflow vulnerability leading to a buffer overflow has been discovered in various operating systems, including Android for MSM, Firefox OS for MSM, and QRD Android, affecting all Android releases from CAF using the Linux kernel.

Understanding CVE-2017-11085

This CVE identifies an integer overflow issue that results in a buffer overflow due to incorrect bound checking in specific audio handling functions.

What is CVE-2017-11085?

The vulnerability affects the msm_audio_effects_virtualizer_handler function in the msm-audio-effects-q6-v2.c file, potentially allowing attackers to execute arbitrary code or cause a denial of service.

The Impact of CVE-2017-11085

Exploitation of this vulnerability could lead to a buffer overflow, enabling malicious actors to compromise the affected system, execute arbitrary code, or trigger a denial of service condition.

Technical Details of CVE-2017-11085

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The issue stems from an integer overflow that leads to a buffer overflow due to improper bound checking in the msm_audio_effects_virtualizer_handler function.

Affected Systems and Versions

Product: Android for MSM, Firefox OS for MSM, QRD Android
Vendor: Qualcomm, Inc.
Versions: All Android releases from CAF using the Linux kernel

Exploitation Mechanism

The vulnerability can be exploited by crafting a malicious audio file or stream that triggers the integer overflow, leading to a buffer overflow in the affected audio processing function.

Mitigation and Prevention

Protecting systems from CVE-2017-11085 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Qualcomm or relevant vendors promptly.
Monitor for any unusual audio processing activities that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Implement secure coding practices to prevent integer overflow vulnerabilities in audio processing functions.
Regularly update and patch software to address known security issues.

Patching and Updates

Stay informed about security bulletins and updates from Qualcomm and other relevant vendors.
Ensure timely installation of patches to mitigate the risk of exploitation.