CVE-2019-2341 Explained : Impact and Mitigation

A buffer overflow vulnerability affecting various Qualcomm Snapdragon platforms has been identified.

Understanding CVE-2019-2341

What is CVE-2019-2341?

A buffer overflow occurs when the size of the audio buffer provided by the user exceeds the maximum allowable audio buffer size. This vulnerability impacts multiple Qualcomm Snapdragon platforms.

The Impact of CVE-2019-2341

This vulnerability could allow an attacker to execute arbitrary code or cause a denial of service by exploiting the buffer overflow in affected systems.

Technical Details of CVE-2019-2341

Vulnerability Description

The vulnerability arises when the user-supplied audio buffer size surpasses the maximum allowed size, leading to a buffer overflow.

Affected Systems and Versions

Vendor: Qualcomm, Inc.
Products: Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables
Versions: MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MSM8909W, MSM8996AU, QCS405, QCS605, Qualcomm 215, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 615/16/SD 415, SD 625, SD 632, SD 636, SD 665, SD 675, SD 712 / SD 710 / SD 670, SD 730, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 855, SDA660, SDM439, SDM630, SDM660, SDX20, SDX24

Exploitation Mechanism

The vulnerability can be exploited by crafting audio data that exceeds the permissible buffer size, leading to a buffer overflow.

Mitigation and Prevention

Immediate Steps to Take

Apply patches provided by Qualcomm to address the buffer overflow vulnerability.
Monitor Qualcomm's security bulletins for updates and advisories.

Long-Term Security Practices

Regularly update software and firmware on affected devices.
Implement secure coding practices to prevent buffer overflow vulnerabilities.

Patching and Updates

Ensure all affected systems are updated with the latest patches from Qualcomm to mitigate the buffer overflow risk.